Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    04-06-2024 01:40

General

  • Target

    PO45310020--Qianjin.exe

  • Size

    953KB

  • MD5

    469bb30e3e9baad33f2f4d3545deec3a

  • SHA1

    88c8460ab90dffa9e78d78db4acef18b0eb89499

  • SHA256

    02f9396ee3b0c036ac2c1e142db73e7768e517a9b3da4844dd8d78f576a5bbc9

  • SHA512

    e24b5cda02966fd0d400d12ecdb15c54911744dfe166cdc692f26181eb301693fc613a3c42abd61649f4f60d9d74675a9927f809a5614bb65325fed79edf2b5a

  • SSDEEP

    24576:vlw1Vp0Yigp9piOX5rGhSbR02qBXVJhir:2y1gp9brGMqG

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe
    "C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe
      "C:\Users\Admin\AppData\Local\Temp\PO45310020--Qianjin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2400-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

    Filesize

    4KB

  • memory/2400-1-0x0000000000C00000-0x0000000000CF4000-memory.dmp

    Filesize

    976KB

  • memory/2400-2-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-4-0x00000000009C0000-0x00000000009D6000-memory.dmp

    Filesize

    88KB

  • memory/2400-3-0x0000000005610000-0x00000000056AE000-memory.dmp

    Filesize

    632KB

  • memory/2400-5-0x0000000000A50000-0x0000000000A5E000-memory.dmp

    Filesize

    56KB

  • memory/2400-6-0x0000000000B20000-0x0000000000B30000-memory.dmp

    Filesize

    64KB

  • memory/2400-7-0x0000000005380000-0x0000000005404000-memory.dmp

    Filesize

    528KB

  • memory/2400-22-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2668-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2668-24-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-23-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/2668-25-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB