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Velorin FFlag.exe Trojan Agent Analysis

Updated 1 month ago
Checked by Malware Check
Velorin FFlag.exe

Technical Analysis

File Name Velorin FFlag.exe
File Type
PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
Scanner Version 1.0.229.174
Database Version 2025-11-28 16:00:31 UTC
⚠

Trojan.Win64.Agent.oa!s1

Malware family: Agent

Trojan Agent malware disguises itself as legitimate software while performing unauthorized activities including data theft and providing remote system access to threat actors.
N/A
Detection Rate
13,586,944
File Size (bytes)
2025-11-28
Analysis Date

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File Identification

Hash Type Value Action
MD5
c0b13aead898b2d975fe56aaca087f56
SHA1
62464a1ce8ce305617d8bd7665c8b6027f1feb10
SHA256
d22d1399c260407d5822b10982342f987ff7754fd61aa4c09227f7af096d2a29
SHA512
0cce343674b94141eaeb4a2ef5b5b25342fd8e8ff1292fb8a15ad3f5fea70aef5b7dc5853fea1690a46420bee6b39bc3a2fd2f893f4cff337811ce027d2f3f86
ImpHash
20bd67bca6c560d47ee260a75029b116

PE Analysis

Basic Information

▼
Image Base 0x140000000
Entry Point 0x140001125
Compilation Time 2025-11-27 02:26:29
Checksum 0x0002ddbc (Actual: 0x00d03623)
OS Version 4.0
PEiD Signatures PE32+ executable (console) x86-64 (stripped to external PDB), for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 3 libraries
KERNEL32, msvcrt, SHELL32
Exports 0 functions
Resources 2 Resources
Sections 12 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 127,352 bytes 127,488 bytes 6.33 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 16059752F7F905C90DA2CFCD468E3513
.data 0x00021000 288 bytes 512 bytes 1.27 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE DAB078F6DE5F1F574BC8D598D96E5896
.rdata 0x00022000 11,760 bytes 11,776 bytes 5.32 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ A21E84A785F114D82F1A3AA6B1280223
.eh_fram 0x00025000 4 bytes 512 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE BF619EAC0CDF3F68D496EA9344137E8B
.pdata 0x00026000 2,364 bytes 2,560 bytes 4.98 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ F582FE9ADC0C6367684FC8CA0ED099A0
.xdata 0x00027000 2,836 bytes 3,072 bytes 4.47 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 19DC181D7748E2299D15A2B692D01A36
.bss 0x00028000 163,024 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.idata 0x00050000 3,964 bytes 4,096 bytes 4.26 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 5140ECC807327FC1AD3EF481CFC6DA4B
.CRT 0x00051000 96 bytes 512 bytes 0.31 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE E3A2C34520051729639DC3AB827BF872
.tls 0x00052000 16 bytes 512 bytes 0.00 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE BF619EAC0CDF3F68D496EA9344137E8B
.rsrc 0x00053000 13,433,860 bytes 13,434,368 bytes 8.00 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ DE3CA614B05027C13A80C8AB13B3C661
.reloc 0x00d23000 144 bytes 512 bytes 1.76 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 4247D4A23AF873609CAC09D34D6E9FCC
Entropy Analysis Alert

1 section(s) with high entropy (≥7.5) detected - possible packing/encryption

Resource Analysis

▼
Total Resources: 2 (13,433,697 bytes)
Resource Type Count Total Size Percentage
RT_RCDATA 1 13,432,432 bytes
100%
RT_MANIFEST 1 1,265 bytes
0%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Trojan.Win64.Agent.oa!s1 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.Agent.oa!s1 without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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