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Codex64.dll Trojan Agent Analysis

Updated 3 months ago
Checked by Malware Check
codex64.dll

Technical Analysis

File Name codex64.dll
File Type
PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Scanner Version 1.0.226.174
Database Version 2025-10-07 03:00:39 UTC
⚠

Trojan.Win64.Agent.oa!s2

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
334,336
File Size (bytes)
2025-10-07
Analysis Date

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File Identification

Hash Type Value Action
MD5
15918775da301e17db165dfb0edc556a
SHA1
3b15e07d2dbe65c2087cf612d68185bdf98bee70
SHA256
43949982cb108aac68f0a942f6624d3e15cca305b849cb1de56584d9e7095b6c
SHA512
0b20d27a46cc63488b508dcbad7b01570a8f56c8254c7ad1820033d035aa5c780c0ebd3b8d8c8ae44eb75168301212a61b1cf8037e18196c41d036edf724da08
ImpHash
0f8884f214018388789936822d726077

PE Analysis

Basic Information

▼
Image Base 0x180000000
Entry Point 0x1800e7ef0
Compilation Time 2020-03-19 02:57:40
Checksum 0x00000000 (Actual: 0x00055d31)
OS Version 6.0
PEiD Signatures PE32+ executable (DLL) (GUI) x86-64, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 4 libraries
KERNEL32, MSWSOCK, USER32, WS2_32
Exports 1 functions
Resources 0 Resources
Sections 3 Sections

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
CDX0 0x00001000 614,400 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_CNT_UNINITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
CDX1 0x00097000 335,872 bytes 332,800 bytes 7.92 (Packed/Encrypted) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D5CC6A8FD9032D7EAD2145CD96B32D5C
CDX2 0x000e9000 4,096 bytes 512 bytes 3.50 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE 53A0CAD8F3FA3E024AFFD4A058274B6D
Entropy Analysis Alert

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

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!s2 Removal

Gridinsoft has the capability to identify and eliminate Trojan.Win64.Agent.oa!s2 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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