Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2023 02:36

General

  • Target

    840d70a1b9b60482a0e15281c60145cc80adbe5cee6de99d9a508dcf88c5b8ea.exe

  • Size

    720KB

  • MD5

    5399725cc7f574becf4a9affd0ea9e21

  • SHA1

    0041a2510c75c60b31e20aebfbf2058ef994eeea

  • SHA256

    840d70a1b9b60482a0e15281c60145cc80adbe5cee6de99d9a508dcf88c5b8ea

  • SHA512

    b2a299686dc1dbe6fd4e8eff66d0e9467a1793cecebfff3d3f5baec613d7861da225a633f0a64b2f182c43beedcc96143f01ce4201fef9545e1a14042504d554

  • SSDEEP

    12288:+ueH5qAeqPaNGXPyRJVRg8AdoanM4cmDz9/wc9vHlv0+kILeKG:yqAoNXiM4cS3Fv01IL

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6488735902:AAFjq98r8SzTcc0BHWZQiLUk749fQ78ULos/

Signatures

  • AgentTesla

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

  • 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 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\840d70a1b9b60482a0e15281c60145cc80adbe5cee6de99d9a508dcf88c5b8ea.exe
    "C:\Users\Admin\AppData\Local\Temp\840d70a1b9b60482a0e15281c60145cc80adbe5cee6de99d9a508dcf88c5b8ea.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\840d70a1b9b60482a0e15281c60145cc80adbe5cee6de99d9a508dcf88c5b8ea.exe
      "C:\Users\Admin\AppData\Local\Temp\840d70a1b9b60482a0e15281c60145cc80adbe5cee6de99d9a508dcf88c5b8ea.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\840d70a1b9b60482a0e15281c60145cc80adbe5cee6de99d9a508dcf88c5b8ea.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1712-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/1712-22-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/1712-21-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/1712-20-0x0000000006880000-0x00000000068D0000-memory.dmp

    Filesize

    320KB

  • memory/1712-19-0x0000000005330000-0x0000000005396000-memory.dmp

    Filesize

    408KB

  • memory/1712-18-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/1712-16-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-5-0x0000000005040000-0x000000000504A000-memory.dmp

    Filesize

    40KB

  • memory/2656-6-0x00000000055E0000-0x00000000055FA000-memory.dmp

    Filesize

    104KB

  • memory/2656-10-0x0000000008FC0000-0x000000000905C000-memory.dmp

    Filesize

    624KB

  • memory/2656-11-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-12-0x0000000004F30000-0x0000000004F40000-memory.dmp

    Filesize

    64KB

  • memory/2656-8-0x0000000006310000-0x000000000631A000-memory.dmp

    Filesize

    40KB

  • memory/2656-7-0x0000000006300000-0x0000000006308000-memory.dmp

    Filesize

    32KB

  • memory/2656-9-0x0000000006960000-0x00000000069DE000-memory.dmp

    Filesize

    504KB

  • memory/2656-17-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB

  • memory/2656-1-0x0000000000620000-0x00000000006DA000-memory.dmp

    Filesize

    744KB

  • memory/2656-4-0x0000000004F30000-0x0000000004F40000-memory.dmp

    Filesize

    64KB

  • memory/2656-3-0x0000000004F70000-0x0000000005002000-memory.dmp

    Filesize

    584KB

  • memory/2656-2-0x0000000005640000-0x0000000005BE4000-memory.dmp

    Filesize

    5.6MB

  • memory/2656-0-0x0000000074660000-0x0000000074E10000-memory.dmp

    Filesize

    7.7MB