Analysis

  • max time kernel
    140s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-08-2024 06:08

General

  • Target

    c8579d000303523ecbd7ef6c242ff2b7_JaffaCakes118.exe

  • Size

    209KB

  • MD5

    c8579d000303523ecbd7ef6c242ff2b7

  • SHA1

    3a20370d04f12970ed65e263398f7e23020b7c7b

  • SHA256

    90666fed3631675941ebf68c15b33f638b843c67186c721c78b23a8f14c64df2

  • SHA512

    73bc01a4d0289f1e8e64453a454eb759de602a5949e2054482dcf20d2b0cc04ea6b92cb947fb450ab66dc87b7862633c3e62c3871b695e5173a145e57df78a43

  • SSDEEP

    3072:EvwtMgkqYnB3nPWlVgtCKQ0UUVUUXjNBv2t5DkfM:GlxNnEKQKot

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\c8579d000303523ecbd7ef6c242ff2b7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c8579d000303523ecbd7ef6c242ff2b7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4796
    • 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:4620
    • 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:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\test.exe

    Filesize

    209KB

    MD5

    c8579d000303523ecbd7ef6c242ff2b7

    SHA1

    3a20370d04f12970ed65e263398f7e23020b7c7b

    SHA256

    90666fed3631675941ebf68c15b33f638b843c67186c721c78b23a8f14c64df2

    SHA512

    73bc01a4d0289f1e8e64453a454eb759de602a5949e2054482dcf20d2b0cc04ea6b92cb947fb450ab66dc87b7862633c3e62c3871b695e5173a145e57df78a43

  • memory/1524-17-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1524-16-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1524-18-0x00000000062C0000-0x0000000006352000-memory.dmp

    Filesize

    584KB

  • memory/1524-19-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/1524-20-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-2-0x0000000005720000-0x00000000057BC000-memory.dmp

    Filesize

    624KB

  • memory/4796-3-0x0000000005680000-0x00000000056E6000-memory.dmp

    Filesize

    408KB

  • memory/4796-4-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-5-0x0000000006460000-0x0000000006A04000-memory.dmp

    Filesize

    5.6MB

  • memory/4796-1-0x0000000000CA0000-0x0000000000CDA000-memory.dmp

    Filesize

    232KB

  • memory/4796-15-0x00000000750D0000-0x0000000075880000-memory.dmp

    Filesize

    7.7MB

  • memory/4796-0-0x00000000750DE000-0x00000000750DF000-memory.dmp

    Filesize

    4KB