Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2024 23:22

General

  • Target

    88157978da35d52fee44f25b3610aa60_JaffaCakes118.exe

  • Size

    330KB

  • MD5

    88157978da35d52fee44f25b3610aa60

  • SHA1

    d67d981b38b82002f2f9e9e45c5c489368e8cda7

  • SHA256

    64f96c98b66e34531a11f0ceba67916b5207cc0f7dbcda256c6ee3d9c5f528cc

  • SHA512

    4a6bf3ecf6763d569fc26c8cae61b38c07f27594954cb2448ade77aa7ae584fc7ae118463d14826cffd2ec4d5ecd77fd04861b5ed98a77f752357cb9860c29b2

  • SSDEEP

    6144:zK8lUvarEuKLH321cUx5zugbguHzYOi2Deq1qR1:zDEzSnbbg6l11q

Score
10/10

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    IRj3SceatjDfweW/qMMw7g==

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/p8Be8nNX

  • delay

    3

  • download_payload

    false

  • install

    true

  • install_name

    Windows Update.exe

  • main_folder

    UserProfile

  • pin_spread

    false

  • sub_folder

    \Windows\

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/p8Be8nNX

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 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 5 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 4 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88157978da35d52fee44f25b3610aa60_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\88157978da35d52fee44f25b3610aa60_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Users\Admin\AppData\Local\Temp\88157978da35d52fee44f25b3610aa60_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\88157978da35d52fee44f25b3610aa60_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\Windows\Windows Update.exe'"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2856
      • C:\Users\Admin\Windows\Windows Update.exe
        "C:\Users\Admin\Windows\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Users\Admin\Windows\Windows Update.exe
          "C:\Users\Admin\Windows\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\Windows\Windows Update.exe

    Filesize

    330KB

    MD5

    88157978da35d52fee44f25b3610aa60

    SHA1

    d67d981b38b82002f2f9e9e45c5c489368e8cda7

    SHA256

    64f96c98b66e34531a11f0ceba67916b5207cc0f7dbcda256c6ee3d9c5f528cc

    SHA512

    4a6bf3ecf6763d569fc26c8cae61b38c07f27594954cb2448ade77aa7ae584fc7ae118463d14826cffd2ec4d5ecd77fd04861b5ed98a77f752357cb9860c29b2

  • memory/1976-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/1976-1-0x0000000000F30000-0x0000000000F88000-memory.dmp

    Filesize

    352KB

  • memory/1976-2-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-3-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/1976-4-0x0000000000300000-0x0000000000308000-memory.dmp

    Filesize

    32KB

  • memory/1976-11-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-16-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-15-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2464-13-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2464-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2464-7-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2464-6-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2464-5-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2464-18-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-10-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2464-38-0x0000000074D30000-0x000000007541E000-memory.dmp

    Filesize

    6.9MB

  • memory/2788-25-0x0000000000980000-0x00000000009D8000-memory.dmp

    Filesize

    352KB

  • memory/2980-33-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB