Analysis

  • max time kernel
    145s
  • 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
    03-10-2024 21:03

General

  • Target

    107ef6f0bea41f7c2c758c19cfc18524_JaffaCakes118.exe

  • Size

    62KB

  • MD5

    107ef6f0bea41f7c2c758c19cfc18524

  • SHA1

    d8f0377fe62ada0d391edb46913ffd8d34a49e3b

  • SHA256

    5a11dc748cb2bf5232448c41ed0c28c6e53bfa5579b76193d5320ebf5b6d6f06

  • SHA512

    3f977e20e1a0d9ae5159e8c5d843bc03e7b049f19b3ccbb1fc85f0ecb2c4e043175359a785117f7961b1dd76245e5aee1f13a40564a3273b86f7fc30f5dea86d

  • SSDEEP

    1536:LsbHlWt3db3hsHEAtt2HARikJ2ixAe5JmhKh:LMHIlKEAvDAiNUKh

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    root

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/7sALhsP2

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    help.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/7sALhsP2

  • 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).

  • 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 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\107ef6f0bea41f7c2c758c19cfc18524_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\107ef6f0bea41f7c2c758c19cfc18524_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4068
    • C:\Windows\SYSTEM32\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\help.exe'"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1680
    • C:\Users\Admin\AppData\Local\Temp\help.exe
      "C:\Users\Admin\AppData\Local\Temp\help.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    62KB

    MD5

    107ef6f0bea41f7c2c758c19cfc18524

    SHA1

    d8f0377fe62ada0d391edb46913ffd8d34a49e3b

    SHA256

    5a11dc748cb2bf5232448c41ed0c28c6e53bfa5579b76193d5320ebf5b6d6f06

    SHA512

    3f977e20e1a0d9ae5159e8c5d843bc03e7b049f19b3ccbb1fc85f0ecb2c4e043175359a785117f7961b1dd76245e5aee1f13a40564a3273b86f7fc30f5dea86d

  • memory/2036-17-0x00007FF9837D0000-0x00007FF984291000-memory.dmp

    Filesize

    10.8MB

  • memory/2036-19-0x00007FF9837D0000-0x00007FF984291000-memory.dmp

    Filesize

    10.8MB

  • memory/2036-20-0x00007FF9837D0000-0x00007FF984291000-memory.dmp

    Filesize

    10.8MB

  • memory/4068-0-0x00007FF9837D3000-0x00007FF9837D5000-memory.dmp

    Filesize

    8KB

  • memory/4068-1-0x0000000000130000-0x0000000000146000-memory.dmp

    Filesize

    88KB

  • memory/4068-2-0x00000000008F0000-0x00000000008FA000-memory.dmp

    Filesize

    40KB

  • memory/4068-3-0x0000000000910000-0x000000000091C000-memory.dmp

    Filesize

    48KB

  • memory/4068-4-0x00007FF9837D0000-0x00007FF984291000-memory.dmp

    Filesize

    10.8MB

  • memory/4068-18-0x00007FF9837D0000-0x00007FF984291000-memory.dmp

    Filesize

    10.8MB