Analysis

  • max time kernel
    125s
  • max time network
    73s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 17:20

General

  • Target

    a61b9e25574ed2eb4216c5414b9890306cd711e41501f5bee5f03e2308c49e1a.exe

  • Size

    838KB

  • MD5

    69755cfe380f66512706901f0185606e

  • SHA1

    474a3fdccc323c84757fd8949f708717dff72915

  • SHA256

    a61b9e25574ed2eb4216c5414b9890306cd711e41501f5bee5f03e2308c49e1a

  • SHA512

    cb923521848b601b51ba061fd3d7b5f063451be2f0aae4c654c8514df272bda37067505d4410a54aa1a66a6ef7d9c3418751ea1da9d99d230b00d7165fb3da73

  • SSDEEP

    24576:v34/up+pJUHxsGFUTpR1AccIEiXDk1Zswnr:v38PJUHxsGApbAccRzN

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 18 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\a61b9e25574ed2eb4216c5414b9890306cd711e41501f5bee5f03e2308c49e1a.exe
    "C:\Users\Admin\AppData\Local\Temp\a61b9e25574ed2eb4216c5414b9890306cd711e41501f5bee5f03e2308c49e1a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Users\Admin\AppData\Local\Temp\a61b9e25574ed2eb4216c5414b9890306cd711e41501f5bee5f03e2308c49e1a.exe
      "C:\Users\Admin\AppData\Local\Temp\a61b9e25574ed2eb4216c5414b9890306cd711e41501f5bee5f03e2308c49e1a.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\a61b9e25574ed2eb4216c5414b9890306cd711e41501f5bee5f03e2308c49e1a.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1360-10-0x0000000006AF0000-0x0000000006B8C000-memory.dmp

    Filesize

    624KB

  • memory/1360-5-0x00000000058D0000-0x00000000058DA000-memory.dmp

    Filesize

    40KB

  • memory/1360-11-0x0000000074C00000-0x00000000753B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1360-19-0x0000000074C00000-0x00000000753B0000-memory.dmp

    Filesize

    7.7MB

  • memory/1360-12-0x00000000058C0000-0x00000000058D0000-memory.dmp

    Filesize

    64KB

  • memory/1360-6-0x0000000006D50000-0x0000000006D68000-memory.dmp

    Filesize

    96KB

  • memory/1360-7-0x00000000069D0000-0x00000000069D8000-memory.dmp

    Filesize

    32KB

  • memory/1360-8-0x00000000069E0000-0x00000000069EA000-memory.dmp

    Filesize

    40KB

  • memory/1360-9-0x0000000006EF0000-0x0000000006F6E000-memory.dmp

    Filesize

    504KB

  • memory/1360-0-0x0000000000D90000-0x0000000000E68000-memory.dmp

    Filesize

    864KB

  • memory/1360-3-0x0000000005710000-0x00000000057A2000-memory.dmp

    Filesize

    584KB

  • memory/1360-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

    Filesize

    5.6MB

  • memory/1360-4-0x00000000058C0000-0x00000000058D0000-memory.dmp

    Filesize

    64KB

  • memory/1360-1-0x0000000074C00000-0x00000000753B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3956-16-0x0000000074C00000-0x00000000753B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3956-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3956-18-0x00000000052C0000-0x0000000005326000-memory.dmp

    Filesize

    408KB

  • memory/3956-17-0x0000000005070000-0x0000000005080000-memory.dmp

    Filesize

    64KB

  • memory/3956-20-0x0000000006590000-0x00000000065E0000-memory.dmp

    Filesize

    320KB

  • memory/3956-21-0x0000000074C00000-0x00000000753B0000-memory.dmp

    Filesize

    7.7MB

  • memory/3956-22-0x0000000005070000-0x0000000005080000-memory.dmp

    Filesize

    64KB