Analysis

  • max time kernel
    117s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12-06-2024 01:51

General

  • Target

    PO ELR-HOI-2024-05570.exe

  • Size

    1.0MB

  • MD5

    551b32ab011bbc51c79342794c4e7ed9

  • SHA1

    78aaf1a95847c2fdd7b78ca0fc21f92ac3f9673b

  • SHA256

    0ed75cc87008a5c3fc4b70fccabd2856cc16d062d9103ad5f587bec92c58cea0

  • SHA512

    2eae567cae356836ded6554571e34839e57c87dbd06da66b92bff5387688c7056a5d15a82ef0b2f102fd6c9a2ba333bcc9d351476a8e0af9847f9b8f3944696f

  • SSDEEP

    24576:ug61jjk0LAta9AskDIf+xYa4bVTHoR7qiYHQGPdnlEeZ6ZDwx2a:RHxYfp+KzPdn+KDka

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot7274505044:AAHb_DyajG8TPY5j1pzNE8xKK33E90Tdt4o/

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 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 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\PO ELR-HOI-2024-05570.exe
    "C:\Users\Admin\AppData\Local\Temp\PO ELR-HOI-2024-05570.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1644
    • C:\Users\Admin\AppData\Local\Temp\PO ELR-HOI-2024-05570.exe
      "C:\Users\Admin\AppData\Local\Temp\PO ELR-HOI-2024-05570.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2376

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1644-0-0x000000007476E000-0x000000007476F000-memory.dmp

    Filesize

    4KB

  • memory/1644-1-0x0000000000800000-0x000000000090A000-memory.dmp

    Filesize

    1.0MB

  • memory/1644-2-0x0000000074760000-0x0000000074E4E000-memory.dmp

    Filesize

    6.9MB

  • memory/1644-3-0x00000000007B0000-0x00000000007CA000-memory.dmp

    Filesize

    104KB

  • memory/1644-4-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/1644-5-0x0000000005B70000-0x0000000005BF2000-memory.dmp

    Filesize

    520KB

  • memory/1644-22-0x0000000074760000-0x0000000074E4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-20-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2376-8-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2376-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2376-16-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2376-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2376-12-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2376-10-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2376-21-0x0000000074760000-0x0000000074E4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-23-0x0000000074760000-0x0000000074E4E000-memory.dmp

    Filesize

    6.9MB

  • memory/2376-6-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2376-24-0x0000000074760000-0x0000000074E4E000-memory.dmp

    Filesize

    6.9MB