Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 17:00

General

  • Target

    af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe

  • Size

    315KB

  • MD5

    af74ac50d79d06a2277d623b5bc99836

  • SHA1

    5ed134f92db0ea1f15c74ee117bf1d5c2a93a079

  • SHA256

    ce7373c120d221aa19a299f4e186bf15139e1fa93bd56e2d8f7cb5c4a6f0c445

  • SHA512

    59409b81c6904172077b07986ae3bb53905bed136a183d9eac7d61cef50295489a4cb63d8c6560f318a0a8c57b01559439d82efc5d940acd7d10964e9426f443

  • SSDEEP

    3072:w22Kyiy+8SXKZxg6CsKnZF3hmsohtk2xUdZBBZu3Ih+:3igGIj3h7ouXh

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    root

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/fJX8Ku77

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    GoogleUpdate.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \Google\

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/fJX8Ku77

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5008
    • C:\Users\Admin\AppData\Local\Temp\af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4848
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe'"
        3⤵
        • Creates scheduled task(s)
        PID:4976
      • C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe
        "C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe
          "C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:4084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe.log

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe

    Filesize

    315KB

    MD5

    af74ac50d79d06a2277d623b5bc99836

    SHA1

    5ed134f92db0ea1f15c74ee117bf1d5c2a93a079

    SHA256

    ce7373c120d221aa19a299f4e186bf15139e1fa93bd56e2d8f7cb5c4a6f0c445

    SHA512

    59409b81c6904172077b07986ae3bb53905bed136a183d9eac7d61cef50295489a4cb63d8c6560f318a0a8c57b01559439d82efc5d940acd7d10964e9426f443

  • memory/4848-11-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/4848-30-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-17-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/4848-16-0x0000000005530000-0x0000000005596000-memory.dmp

    Filesize

    408KB

  • memory/4848-12-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-5-0x00000000057A0000-0x00000000057AA000-memory.dmp

    Filesize

    40KB

  • memory/5008-8-0x0000000006FA0000-0x0000000006FB8000-memory.dmp

    Filesize

    96KB

  • memory/5008-9-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

    Filesize

    4KB

  • memory/5008-10-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-7-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-6-0x0000000005AB0000-0x0000000005B06000-memory.dmp

    Filesize

    344KB

  • memory/5008-14-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-15-0x0000000074D80000-0x0000000075530000-memory.dmp

    Filesize

    7.7MB

  • memory/5008-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

    Filesize

    4KB

  • memory/5008-4-0x0000000005880000-0x0000000005912000-memory.dmp

    Filesize

    584KB

  • memory/5008-3-0x0000000005E30000-0x00000000063D4000-memory.dmp

    Filesize

    5.6MB

  • memory/5008-2-0x00000000057E0000-0x000000000587C000-memory.dmp

    Filesize

    624KB

  • memory/5008-1-0x0000000000DA0000-0x0000000000DF4000-memory.dmp

    Filesize

    336KB