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Sigma.exe Trojan Agent Analysis

Updated 1 month ago
Checked by Malaware Check
Sigma.exe

Technical Analysis

File Name Sigma.exe
File Type
PE32+ executable (console) x86-64, for MS Windows
Scanner Version 1.0.214.174
Database Version 2025-04-22 18:00:26 UTC
⚠

Trojan.Win64.Agent.sa

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
5,019,136
File Size (bytes)
2025-04-22
Analysis Date

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File Identification

Hash Type Value Action
MD5
cd97646cd239ad32cb96de47795f9df8
SHA1
7260a4ef41e519f52d570730158ce7df14cf10cb
SHA256
75769a4d3f5891f733ebd47d0542fa56dc0caa170f00cea7ca5de877eb3682c2
SHA512
a544d4aa489bec863e1551fc93462a2cf2bea9e838688617fd2cf39e5855e9fbe4112872083c1973710f8ed613164d57dba09a4a9adea1e58103245c89217597
ImpHash
93ecb08448b8828e00ad8af9dda75867

PE Analysis

Basic Information

▼
Icon
Hash: 062722999f0193421cbf7f0f6a2838c2
Fuzzy: acfd77f2917b7dea13d3b83f5fab49ab
dHash: 585cfa6cb4b48098
Image Base 0x140000000
Entry Point 0x14018aca4
Compilation Time 2025-04-19 12:34:05
Checksum 0x00000000 (Actual: 0x004c9e26)
OS Version 6.0
PEiD Signatures PE32+ executable (console) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 6 libraries
KERNEL32, bcrypt, WS2_32, CRYPT32, ADVAPI32, dbghelp
Exports 0 functions
Resources 9 Resources
Sections 6 Sections

PE Sections

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Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 1,958,400 bytes 1,958,400 bytes 6.45 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ D75FF37BDE1FDFD89F76DFA71E1A1141
.rdata 0x001e0000 430,686 bytes 431,104 bytes 5.97 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 43A08644CF498C104B73CA4905D04700
.data 0x0024a000 63,932 bytes 38,912 bytes 4.15 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE BC129C93C7FDC38CA3371B18C1D57792
.pdata 0x0025a000 93,384 bytes 93,696 bytes 6.23 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 7CF32DC7444A59C3E2AB9229BAC05222
.rsrc 0x00271000 2,485,152 bytes 2,485,248 bytes 7.41 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 665D3C88239234ED16F7E292344700BC
.reloc 0x004d0000 10,512 bytes 10,752 bytes 5.41 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ E936BCB7DD0ECFBF45068C03C447B38B
Entropy Analysis Alert

1 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

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Total Resources: 9 (2,484,592 bytes)
Resource Type Count Total Size Percentage
RT_ICON 5 131,720 bytes
5.3%
RT_RCDATA 2 2,352,415 bytes
94.7%
RT_GROUP_ICON 1 76 bytes
0%
RT_MANIFEST 1 381 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.sa Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.Agent.sa 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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