Analysis

  • max time kernel
    133s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-06-2024 07:21

General

  • Target

    ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe

  • Size

    104KB

  • MD5

    ad4feb0e4a1b1ed0696d584ef354bb19

  • SHA1

    f3ca5de92d8b9e215bb6a80fd6755f5b489b44a0

  • SHA256

    09a8bd138abecc693214e1f0aa82342f0355f4ef81d1af0bc04b72115d6fe322

  • SHA512

    06507ec9488f0073227da3852651a574af18c6ef20a246c5a33fa664c855994b1c41f3d65bf41196752383925c4ff532b54e6592504daab1396d3a008285ed7b

  • SSDEEP

    768:e5DIkiRZGrGl5z0EJ9k5NHsmjb5woIJIIYI4mynugD119L64ljNDiDMw/t39:eWkiRZr0EJqDXjb5Sb

Score
10/10

Malware Config

Extracted

Family

limerat

Wallets

3J9bg27AKvv52V6dv4U99VM58vfSYnfUY6

Attributes
  • aes_key

    svensis

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/7VWPN6dB

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    client.exe

  • main_folder

    Temp

  • pin_spread

    true

  • sub_folder

    \

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/7VWPN6dB

  • 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
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ad4feb0e4a1b1ed0696d584ef354bb19_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of WriteProcessMemory
    PID:940
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Local\Temp\client.exe'"
      2⤵
      • Creates scheduled task(s)
      PID:3780
    • C:\Users\Admin\AppData\Local\Temp\client.exe
      "C:\Users\Admin\AppData\Local\Temp\client.exe"
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • Suspicious use of AdjustPrivilegeToken
      PID:4416

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    104KB

    MD5

    ad4feb0e4a1b1ed0696d584ef354bb19

    SHA1

    f3ca5de92d8b9e215bb6a80fd6755f5b489b44a0

    SHA256

    09a8bd138abecc693214e1f0aa82342f0355f4ef81d1af0bc04b72115d6fe322

    SHA512

    06507ec9488f0073227da3852651a574af18c6ef20a246c5a33fa664c855994b1c41f3d65bf41196752383925c4ff532b54e6592504daab1396d3a008285ed7b

  • memory/940-0-0x000000007510E000-0x000000007510F000-memory.dmp

    Filesize

    4KB

  • memory/940-1-0x0000000000270000-0x0000000000290000-memory.dmp

    Filesize

    128KB

  • memory/940-2-0x0000000004C10000-0x0000000004CAC000-memory.dmp

    Filesize

    624KB

  • memory/940-3-0x0000000004CB0000-0x0000000004D16000-memory.dmp

    Filesize

    408KB

  • memory/940-4-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/940-5-0x00000000059E0000-0x0000000005F84000-memory.dmp

    Filesize

    5.6MB

  • memory/940-15-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-16-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-17-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB

  • memory/4416-18-0x0000000006E40000-0x0000000006ED2000-memory.dmp

    Filesize

    584KB

  • memory/4416-19-0x0000000075100000-0x00000000758B0000-memory.dmp

    Filesize

    7.7MB