Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 30 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:1440
    • C:\Users\Admin\AppData\Local\Temp\af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\af74ac50d79d06a2277d623b5bc99836_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2472
      • 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:2652
      • C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe
        "C:\Users\Admin\AppData\Local\Temp\Google\GoogleUpdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2708
        • 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:1576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    315KB

    MD5

    af74ac50d79d06a2277d623b5bc99836

    SHA1

    5ed134f92db0ea1f15c74ee117bf1d5c2a93a079

    SHA256

    ce7373c120d221aa19a299f4e186bf15139e1fa93bd56e2d8f7cb5c4a6f0c445

    SHA512

    59409b81c6904172077b07986ae3bb53905bed136a183d9eac7d61cef50295489a4cb63d8c6560f318a0a8c57b01559439d82efc5d940acd7d10964e9426f443

  • memory/1440-21-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1440-20-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1440-3-0x00000000009E0000-0x00000000009F8000-memory.dmp

    Filesize

    96KB

  • memory/1440-4-0x000000007451E000-0x000000007451F000-memory.dmp

    Filesize

    4KB

  • memory/1440-5-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1440-2-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1440-1-0x0000000001030000-0x0000000001084000-memory.dmp

    Filesize

    336KB

  • memory/1440-0-0x000000007451E000-0x000000007451F000-memory.dmp

    Filesize

    4KB

  • memory/1576-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2472-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2472-8-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2472-10-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2472-19-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2472-31-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2472-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2472-23-0x0000000074510000-0x0000000074BFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2472-18-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2472-14-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2472-16-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2708-30-0x0000000000020000-0x0000000000074000-memory.dmp

    Filesize

    336KB