Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09-09-2024 12:19

General

  • Target

    d64c663ca513edb1e8ad004a6e6cbb3f_JaffaCakes118.exe

  • Size

    251KB

  • MD5

    d64c663ca513edb1e8ad004a6e6cbb3f

  • SHA1

    a95aa92c2d8a5322421e60d6f108ac54eb907bb7

  • SHA256

    56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

  • SHA512

    69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a

  • SSDEEP

    6144:O/EDkB/TwAFZe1EB79p1ERueqJwCVqE6Js:OcABrDZe6BD1FhVH

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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\d64c663ca513edb1e8ad004a6e6cbb3f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d64c663ca513edb1e8ad004a6e6cbb3f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\d64c663ca513edb1e8ad004a6e6cbb3f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\d64c663ca513edb1e8ad004a6e6cbb3f_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2728
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\Windows\Windows Update.exe'"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2616
      • 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
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Users\Admin\Windows\Windows Update.exe
          "C:\Users\Admin\Windows\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    251KB

    MD5

    d64c663ca513edb1e8ad004a6e6cbb3f

    SHA1

    a95aa92c2d8a5322421e60d6f108ac54eb907bb7

    SHA256

    56d8a883c8b9d4a2a317f9ea3cb0a3f55281970c804c08f8de6482af04868da4

    SHA512

    69c06dd77f92fd56c86804417c114e0cc4be9eaa80549dbbec937965c75b7644ce3b90fc7598bb1e9187aeeee1c39d57c51bb4ab2d555ef6ce4482159ec2808a

  • memory/1868-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2280-0-0x0000000073ECE000-0x0000000073ECF000-memory.dmp

    Filesize

    4KB

  • memory/2280-1-0x00000000001F0000-0x0000000000236000-memory.dmp

    Filesize

    280KB

  • memory/2280-2-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2280-3-0x0000000000510000-0x0000000000518000-memory.dmp

    Filesize

    32KB

  • memory/2280-19-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-29-0x00000000000C0000-0x0000000000106000-memory.dmp

    Filesize

    280KB

  • memory/2728-18-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/2728-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2728-20-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-16-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/2728-13-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/2728-12-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/2728-6-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/2728-25-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-30-0x0000000073EC0000-0x00000000745AE000-memory.dmp

    Filesize

    6.9MB

  • memory/2728-8-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB

  • memory/2728-4-0x0000000000090000-0x000000000009C000-memory.dmp

    Filesize

    48KB