Analysis

  • max time kernel
    145s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    14-07-2024 03:11

General

  • Target

    440d7a7357b48507cbf9857064638dfd_JaffaCakes118.exe

  • Size

    238KB

  • MD5

    440d7a7357b48507cbf9857064638dfd

  • SHA1

    fbf4d41cc343cb260d0c320ade3c1271959d6eba

  • SHA256

    bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3

  • SHA512

    ee709aa46f4506aa1ce26d0edcdbf9241749ed154e1a8ab2976b691f95469c8cdef168d59ad27773506e433debb0a28550f113f6bb5b7e1e12c994fcd2aa875c

  • SSDEEP

    3072:zTZ5rlD8r5Yg3g7xnyfKUze1zF9Olhc7tmtpsJpQuTejgu3nypr/7Rioqz5HKd/z:zTyYg3AnySQcWlqi1ERio6q2U

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    IRj3SceatjDfweW/qMMw7g==

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/p8Be8nNX

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Windows Update.exe

  • main_folder

    UserProfile

  • pin_spread

    false

  • sub_folder

    \Windows\

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/p8Be8nNX

  • 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).

  • 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 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\440d7a7357b48507cbf9857064638dfd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\440d7a7357b48507cbf9857064638dfd_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Users\Admin\AppData\Local\Temp\440d7a7357b48507cbf9857064638dfd_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\440d7a7357b48507cbf9857064638dfd_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2292
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\Windows\Windows Update.exe'"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2560
      • C:\Users\Admin\Windows\Windows Update.exe
        "C:\Users\Admin\Windows\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2540
        • C:\Users\Admin\Windows\Windows Update.exe
          "C:\Users\Admin\Windows\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\Windows\Windows Update.exe

    Filesize

    238KB

    MD5

    440d7a7357b48507cbf9857064638dfd

    SHA1

    fbf4d41cc343cb260d0c320ade3c1271959d6eba

    SHA256

    bf5ef36eb0ab0ecb25d80207e730177d07961df7b8266167074ddbc3baf5bcb3

    SHA512

    ee709aa46f4506aa1ce26d0edcdbf9241749ed154e1a8ab2976b691f95469c8cdef168d59ad27773506e433debb0a28550f113f6bb5b7e1e12c994fcd2aa875c

  • memory/2080-0-0x000000007435E000-0x000000007435F000-memory.dmp

    Filesize

    4KB

  • memory/2080-1-0x0000000001160000-0x00000000011A2000-memory.dmp

    Filesize

    264KB

  • memory/2080-2-0x0000000074350000-0x0000000074A3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2080-3-0x0000000000210000-0x0000000000218000-memory.dmp

    Filesize

    32KB

  • memory/2080-16-0x0000000074350000-0x0000000074A3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2292-11-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2292-4-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2292-13-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2292-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2292-18-0x0000000074350000-0x0000000074A3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-17-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2292-20-0x0000000074350000-0x0000000074A3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2292-8-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2292-28-0x0000000074350000-0x0000000074A3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2296-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2540-27-0x00000000013A0000-0x00000000013E2000-memory.dmp

    Filesize

    264KB