Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 14:48

General

  • Target

    8356c52ea1848cddcca3edc7992ab3b0_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    8356c52ea1848cddcca3edc7992ab3b0

  • SHA1

    6c6e39967c236df518a2dcaefb5c51849eaf9afe

  • SHA256

    5b840344bda0f53b83c8d429eaf6673a941bc0455306b72eba72ee4df2762be5

  • SHA512

    3a8b46b29cf5288611bda486c39695f67bcff88f91cd821ae345de071aa1b297366af47fbc5ef579bd6c410f6e1c920d2e4651758e6118caefa407425b09df16

  • SSDEEP

    1536:+tNQi/tQBpNGMerBfcpSHduJ2b4Tds/q/Ykg7CN/tNupiAK+A09l:D+tQBXderqAAAidb/f+2/ug0D

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/7sALhsP2

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Limerat family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\8356c52ea1848cddcca3edc7992ab3b0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8356c52ea1848cddcca3edc7992ab3b0_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3348
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\helps.exe'"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1340
    • C:\Users\Admin\AppData\Local\Temp\helps.exe
      "C:\Users\Admin\AppData\Local\Temp\helps.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3592

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\helps.exe

    Filesize

    92KB

    MD5

    8356c52ea1848cddcca3edc7992ab3b0

    SHA1

    6c6e39967c236df518a2dcaefb5c51849eaf9afe

    SHA256

    5b840344bda0f53b83c8d429eaf6673a941bc0455306b72eba72ee4df2762be5

    SHA512

    3a8b46b29cf5288611bda486c39695f67bcff88f91cd821ae345de071aa1b297366af47fbc5ef579bd6c410f6e1c920d2e4651758e6118caefa407425b09df16

  • memory/3348-0-0x00007FFFAC463000-0x00007FFFAC465000-memory.dmp

    Filesize

    8KB

  • memory/3348-1-0x0000000000530000-0x000000000054E000-memory.dmp

    Filesize

    120KB

  • memory/3348-2-0x0000000000DF0000-0x0000000000E02000-memory.dmp

    Filesize

    72KB

  • memory/3348-3-0x00000000025C0000-0x00000000025D8000-memory.dmp

    Filesize

    96KB

  • memory/3348-4-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

    Filesize

    10.8MB

  • memory/3348-18-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

    Filesize

    10.8MB

  • memory/3592-17-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

    Filesize

    10.8MB

  • memory/3592-19-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

    Filesize

    10.8MB

  • memory/3592-20-0x00007FFFAC460000-0x00007FFFACF21000-memory.dmp

    Filesize

    10.8MB