Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    28-04-2024 09:23

General

  • Target

    Payment Advice_20240424.exe

  • Size

    699KB

  • MD5

    2a1173846e35c629fb7a06d3c075bf4c

  • SHA1

    1c69c6e36c60708e84d84ba64d7970bc76440f05

  • SHA256

    d7c3896d1f9781722e74aa0bbc807a5511b44c278bb9003a169208a8c595076b

  • SHA512

    f471b9e3062625eb62c3306e644399ef4957571a35f0c14783a5c84db90940fd7dc254e66923855edfdeea0526444f519b5cabc038639abb59c4009ada01d1d2

  • SSDEEP

    12288:mNgLeFR6r0clv312Z3X3HAhhFmx41/DnQoMnCvR0Zk6Fj3Cb/jQvfhKh07PayCQM:qcJ312ZXwFw4pnQoim0ZkaCL6h7vVX2v

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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe"
      2⤵
        PID:2668
      • C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Advice_20240424.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2676

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2444-0-0x00000000001C0000-0x0000000000272000-memory.dmp

      Filesize

      712KB

    • memory/2444-1-0x0000000074E40000-0x000000007552E000-memory.dmp

      Filesize

      6.9MB

    • memory/2444-2-0x0000000004940000-0x0000000004980000-memory.dmp

      Filesize

      256KB

    • memory/2444-3-0x00000000004D0000-0x00000000004F0000-memory.dmp

      Filesize

      128KB

    • memory/2444-4-0x00000000009A0000-0x00000000009B4000-memory.dmp

      Filesize

      80KB

    • memory/2444-5-0x00000000009D0000-0x0000000000A54000-memory.dmp

      Filesize

      528KB

    • memory/2444-21-0x0000000074E40000-0x000000007552E000-memory.dmp

      Filesize

      6.9MB

    • memory/2676-18-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-8-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-11-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-16-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-19-0x0000000074E40000-0x000000007552E000-memory.dmp

      Filesize

      6.9MB

    • memory/2676-14-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2676-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-20-0x0000000004330000-0x0000000004370000-memory.dmp

      Filesize

      256KB

    • memory/2676-6-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2676-22-0x0000000074E40000-0x000000007552E000-memory.dmp

      Filesize

      6.9MB

    • memory/2676-23-0x0000000004330000-0x0000000004370000-memory.dmp

      Filesize

      256KB