Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2024 01:27

General

  • Target

    63df89be98d9252ff824bbefb02ec36a_JaffaCakes118.exe

  • Size

    64KB

  • MD5

    63df89be98d9252ff824bbefb02ec36a

  • SHA1

    50ded468c9a9408fd4103ce44a5ce37fa22ef1ff

  • SHA256

    bc85a3b0adcb02cf50469381af6d0ba9ece084774a905e001aa93b2052857fcb

  • SHA512

    a3aa27c310530139597e93623bc4c1d908664452a9676ea2f2211691169287a1e12953d471e5f34297b1b7ca8c0bb127c75b7ff14c9324b598dba493f9bf679a

  • SSDEEP

    1536:xtFFQ7Rw9l1hnyI9St5v57J2HCMxGGA1FVr9jV9CqE:xtDERanMvFAHHhAFfDy

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    dame

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/dPL0gsvg

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    israel.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/dPL0gsvg

  • 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).

  • Creates scheduled task(s) 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 4 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\63df89be98d9252ff824bbefb02ec36a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\63df89be98d9252ff824bbefb02ec36a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\israel.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:4372
    • C:\Users\Admin\AppData\Local\Temp\israel.exe
      "C:\Users\Admin\AppData\Local\Temp\israel.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    64KB

    MD5

    63df89be98d9252ff824bbefb02ec36a

    SHA1

    50ded468c9a9408fd4103ce44a5ce37fa22ef1ff

    SHA256

    bc85a3b0adcb02cf50469381af6d0ba9ece084774a905e001aa93b2052857fcb

    SHA512

    a3aa27c310530139597e93623bc4c1d908664452a9676ea2f2211691169287a1e12953d471e5f34297b1b7ca8c0bb127c75b7ff14c9324b598dba493f9bf679a

  • memory/1256-18-0x00007FF855E30000-0x00007FF8568F1000-memory.dmp

    Filesize

    10.8MB

  • memory/1256-19-0x000000001B170000-0x000000001B180000-memory.dmp

    Filesize

    64KB

  • memory/1256-20-0x00007FF855E30000-0x00007FF8568F1000-memory.dmp

    Filesize

    10.8MB

  • memory/1256-21-0x000000001B170000-0x000000001B180000-memory.dmp

    Filesize

    64KB

  • memory/3516-0-0x00000000009B0000-0x00000000009C6000-memory.dmp

    Filesize

    88KB

  • memory/3516-1-0x00007FF855E30000-0x00007FF8568F1000-memory.dmp

    Filesize

    10.8MB

  • memory/3516-2-0x0000000002B20000-0x0000000002B2A000-memory.dmp

    Filesize

    40KB

  • memory/3516-4-0x0000000002B40000-0x0000000002B4C000-memory.dmp

    Filesize

    48KB

  • memory/3516-3-0x000000001B860000-0x000000001B870000-memory.dmp

    Filesize

    64KB

  • memory/3516-17-0x00007FF855E30000-0x00007FF8568F1000-memory.dmp

    Filesize

    10.8MB