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Analysis

  • max time kernel
    119s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    17/04/2024, 08:04

General

  • Target

    f554eee597d0262cd192e15ecfb61c71746ca2c0bc9948dc7703440e797f802e_JaffaCakes118.exe

  • Size

    685KB

  • MD5

    9ff7e0f3a6ba748bc8549cb38ab93971

  • SHA1

    511020c3ff5b7a72c24dce960fb142899e0b65af

  • SHA256

    f554eee597d0262cd192e15ecfb61c71746ca2c0bc9948dc7703440e797f802e

  • SHA512

    2c3e0dc2fb7c2fc9854211036133fba84d9d78e07e693da7346cdbc3d29252f2e802673c099b8b9b540b7b05a8b3ff80fc6561d7d2c1c43cabb594be2073421b

  • SSDEEP

    12288:oeq+PtexJ5ZZcTlQnGODH+7YvNYbMp5KIh4G9SqkYYIJm7JbP:E+P65ZSTlmT4YvNYoWC4G8qLYqm7JbP

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6334555107:AAHjkXdGw4FaaaH1kHZyxe86XPdggmZYH1Y/

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 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\f554eee597d0262cd192e15ecfb61c71746ca2c0bc9948dc7703440e797f802e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f554eee597d0262cd192e15ecfb61c71746ca2c0bc9948dc7703440e797f802e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Users\Admin\AppData\Local\Temp\f554eee597d0262cd192e15ecfb61c71746ca2c0bc9948dc7703440e797f802e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f554eee597d0262cd192e15ecfb61c71746ca2c0bc9948dc7703440e797f802e_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2440-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2440-12-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2440-24-0x0000000002100000-0x0000000002140000-memory.dmp

    Filesize

    256KB

  • memory/2440-23-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2440-22-0x0000000002100000-0x0000000002140000-memory.dmp

    Filesize

    256KB

  • memory/2440-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2440-21-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2440-7-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2440-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2440-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2440-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2440-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2748-5-0x0000000002100000-0x0000000002140000-memory.dmp

    Filesize

    256KB

  • memory/2748-1-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-20-0x0000000074390000-0x0000000074A7E000-memory.dmp

    Filesize

    6.9MB

  • memory/2748-0-0x0000000000930000-0x00000000009E2000-memory.dmp

    Filesize

    712KB

  • memory/2748-6-0x0000000005BC0000-0x0000000005C3C000-memory.dmp

    Filesize

    496KB

  • memory/2748-4-0x0000000000800000-0x000000000080E000-memory.dmp

    Filesize

    56KB

  • memory/2748-3-0x0000000000790000-0x00000000007A2000-memory.dmp

    Filesize

    72KB

  • memory/2748-2-0x0000000002100000-0x0000000002140000-memory.dmp

    Filesize

    256KB