Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 02:08

General

  • Target

    f4cf3d6f128cd170a2285e2af9c67179_JaffaCakes118.exe

  • Size

    753KB

  • MD5

    f4cf3d6f128cd170a2285e2af9c67179

  • SHA1

    1175407c47a44779f47fdd838e3ce5ec6e0d0b25

  • SHA256

    47132f3ba6d82c8c06f6235d8271ab7cc15abc408a9dde134c5f466a7fcd7e77

  • SHA512

    19c85caa774ceeec5945d474eb74015a89493cd6d7d69fb86e2bf3514dae9cf283f4592e043e52f2ff14d8256f682e87ddf2e1b88096eb6d18e0b3bf1afa5506

  • SSDEEP

    12288:rRcqw9TW7NzL61APf8MhYnPbKHB+1sOJX6vCECUoEMfcAuEAnZbuMoR6MC/SXgKr:mqw9TW7Z2ZMyTKg1ZJq6tkAu1oR6OJ

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.6D

Botnet

Default

C2

79.134.225.44:7450

Mutex

zesdluuiwc

Attributes
  • delay

    5

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f4cf3d6f128cd170a2285e2af9c67179_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f4cf3d6f128cd170a2285e2af9c67179_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hDWzjRv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE455.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2964
    • C:\Users\Admin\AppData\Local\Temp\f4cf3d6f128cd170a2285e2af9c67179_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f4cf3d6f128cd170a2285e2af9c67179_JaffaCakes118.exe"
      2⤵
        PID:3136

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f4cf3d6f128cd170a2285e2af9c67179_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\tmpE455.tmp

      Filesize

      1KB

      MD5

      ac6b920cd4aea32fa188a35ff02facd0

      SHA1

      f537e2fa4cfca3f1bf5a0e78c91757c752fb0b62

      SHA256

      3b569c4ed3e46c043ac3131130da4c3508ecd3f3d26b1abb42972e4be6067e34

      SHA512

      13c51e5cef789f4c19fdbae440f99f6db1f139c9f2b5a386a3e05eb8e21f04c2d5707035de247c443d446ec1467a4d27bd3087b014ec8e9b85343f2e68049bd7

    • memory/1600-10-0x00000000068B0000-0x0000000006934000-memory.dmp

      Filesize

      528KB

    • memory/1600-11-0x0000000006B10000-0x0000000006B22000-memory.dmp

      Filesize

      72KB

    • memory/1600-4-0x00000000053D0000-0x00000000053E0000-memory.dmp

      Filesize

      64KB

    • memory/1600-5-0x0000000005490000-0x000000000549A000-memory.dmp

      Filesize

      40KB

    • memory/1600-6-0x0000000007D20000-0x0000000007DBC000-memory.dmp

      Filesize

      624KB

    • memory/1600-7-0x00000000065B0000-0x00000000065CA000-memory.dmp

      Filesize

      104KB

    • memory/1600-8-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1600-9-0x00000000053D0000-0x00000000053E0000-memory.dmp

      Filesize

      64KB

    • memory/1600-1-0x0000000000950000-0x0000000000A12000-memory.dmp

      Filesize

      776KB

    • memory/1600-3-0x00000000053F0000-0x0000000005482000-memory.dmp

      Filesize

      584KB

    • memory/1600-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

      Filesize

      5.6MB

    • memory/1600-21-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1600-0-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-20-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-17-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/3136-22-0x0000000005040000-0x0000000005050000-memory.dmp

      Filesize

      64KB

    • memory/3136-23-0x0000000074910000-0x00000000750C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3136-24-0x0000000005040000-0x0000000005050000-memory.dmp

      Filesize

      64KB