Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20231130-en
  • resource tags

    arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
  • submitted
    06-12-2023 02:36

General

  • Target

    iHZsM0uymI3Vg6u.exe

  • Size

    733KB

  • MD5

    3c0248f8ec601644dcc315613c8687d2

  • SHA1

    7074e7794171f6273d26b889e958ca9904d90388

  • SHA256

    7e843c9470e591d69b382463986e433872664cb0f39bc232af8a157a6d75594c

  • SHA512

    75c73a851db5da0a9e9fcc340444302518f0a6043a0450c73170abff83db7fff45895e91f5fd24f6b50d21eaeea44570a68f61d252a6c935ee63e95a3aa7f1de

  • SSDEEP

    12288:SF5nF8ME6jD/mRRPuAeuBMH4koN3l0X9bKAcHgovMtQBHaVzXi5iK:SFPtD/mRRPuAeuWYkO3l0X9KAno0uHaU

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5612303943:AAFKYGy6vbiiDfKGcrus6Bdd9XppRu5OBPQ/

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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe
    "C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe
      "C:\Users\Admin\AppData\Local\Temp\iHZsM0uymI3Vg6u.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2968

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2364-0-0x0000000000C00000-0x0000000000CBE000-memory.dmp

    Filesize

    760KB

  • memory/2364-1-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2364-2-0x0000000004BD0000-0x0000000004C10000-memory.dmp

    Filesize

    256KB

  • memory/2364-3-0x0000000000580000-0x0000000000598000-memory.dmp

    Filesize

    96KB

  • memory/2364-4-0x00000000005B0000-0x00000000005B8000-memory.dmp

    Filesize

    32KB

  • memory/2364-5-0x00000000005C0000-0x00000000005CA000-memory.dmp

    Filesize

    40KB

  • memory/2364-6-0x0000000005B90000-0x0000000005C0E000-memory.dmp

    Filesize

    504KB

  • memory/2364-22-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2968-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2968-9-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2968-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2968-17-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2968-19-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2968-7-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2968-21-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2968-23-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-24-0x0000000004D30000-0x0000000004D70000-memory.dmp

    Filesize

    256KB

  • memory/2968-25-0x0000000074430000-0x0000000074B1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2968-26-0x0000000004D30000-0x0000000004D70000-memory.dmp

    Filesize

    256KB