Analysis

  • max time kernel
    130s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/09/2024, 10:19

General

  • Target
    f36b5a987d90e709868e32a22c282083_JaffaCakes118.exe
  • Size 209KB
  • Sample240924-mch2es1bpp
  • SHA256 efddb8625f7f35e91fad6672c67fe3c5073ba036d95e640de966fe68025afaff
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • limerat

Wallets
  • 12fv8N11Mq2fpT2pXibTZiJCJAXkDsGFRq

Attributes
  • aes_key

    123

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/rYAhJUcU

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    test.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family
  • limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/rYAhJUcU

  • 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 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f36b5a987d90e709868e32a22c282083_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f36b5a987d90e709868e32a22c282083_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1124
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\test.exe'"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4168
    • C:\Users\Admin\AppData\Local\Temp\test.exe
      "C:\Users\Admin\AppData\Local\Temp\test.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2012

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        test.exe

        • Path C:\Users\Admin\AppData\Local\Temp\test.exe
        • Size 209KB
        • SHA256 efddb8625f7f35e91fad6672c67fe3c5073ba036d95e640de966fe68025afaff
        • MD5 SHA1 SHA512 SSDEEP

        memory/1124-3-0x0000000005940000-0x00000000059A6000-memory.dmp

        memory/1124-2-0x00000000058A0000-0x000000000593C000-memory.dmp

        memory/1124-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

        memory/1124-4-0x0000000074D80000-0x0000000075530000-memory.dmp

        memory/1124-5-0x0000000006680000-0x0000000006C24000-memory.dmp

        memory/1124-1-0x0000000000F00000-0x0000000000F3A000-memory.dmp

        memory/1124-16-0x0000000074D80000-0x0000000075530000-memory.dmp

        memory/2012-15-0x0000000074D80000-0x0000000075530000-memory.dmp

        memory/2012-17-0x0000000074D80000-0x0000000075530000-memory.dmp

        memory/2012-18-0x0000000005A40000-0x0000000005AD2000-memory.dmp

        memory/2012-19-0x0000000074D80000-0x0000000075530000-memory.dmp

        memory/2012-20-0x0000000074D80000-0x0000000075530000-memory.dmp