Analysis

  • max time kernel
    146s
  • 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
    26-09-2024 16:34

General

  • Target

    f8c656d9ff2a5c0b21769b4e1033bde7_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    f8c656d9ff2a5c0b21769b4e1033bde7

  • SHA1

    c2e991aeb28ebf42c1f2dbfcbd4df6e2320ab3d2

  • SHA256

    d6e501f0804b1fd3b62a32366a9845a7fd010a0434dac804ffcec95fa67267a3

  • SHA512

    098b1ce3e5d95d318caccd1ce77be80484f7cef1aae807e3815f32fa2d49f74be7085c2f716187c7d074ea9e239ebfa1e5817b436c9c92e546bfc0e7560096ed

  • SSDEEP

    6144:gCDZnh3bt0kqEZKjwF+IRTA/AntEymXZoelvYihONWKkIAL5wMYDkdIihf/FS/6P:gC1n395ElLNHwWKJAL5D3hna6

Malware Config

Extracted

Family

limerat

Attributes
  • aes_key

    1205

  • antivm

    false

  • c2_url

    https://pastebin.com/raw/iRjhpqQL

  • delay

    3

  • download_payload

    false

  • install

    false

  • install_name

    Wservices.exe

  • main_folder

    Temp

  • pin_spread

    false

  • sub_folder

    \

  • usb_spread

    false

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/iRjhpqQL

  • 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.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Delays execution with timeout.exe 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f8c656d9ff2a5c0b21769b4e1033bde7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f8c656d9ff2a5c0b21769b4e1033bde7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/f8c656d9ff2a5c0b21769b4e1033bde7_JaffaCakes118.exe" "%appdata%\defsghg\dfgdfge.exe" /Y
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3624
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %appdata%\defsghg\dfgdfge.exe:Zone.Identifier
      2⤵
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      PID:3612
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ren "%appdata%\defsghg\dfgdfge.exe.jpg" dfgdfge.exe
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1172
    • C:\Users\Admin\AppData\Local\Temp\svhost.exe
      "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4544
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\defsghg\dfgdfge.exe.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 300
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:3608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    256KB

    MD5

    8fdf47e0ff70c40ed3a17014aeea4232

    SHA1

    e6256a0159688f0560b015da4d967f41cbf8c9bd

    SHA256

    ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

    SHA512

    bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

  • C:\Users\Admin\AppData\Roaming\defsghg\dfgdfge.exe

    Filesize

    1.7MB

    MD5

    f8c656d9ff2a5c0b21769b4e1033bde7

    SHA1

    c2e991aeb28ebf42c1f2dbfcbd4df6e2320ab3d2

    SHA256

    d6e501f0804b1fd3b62a32366a9845a7fd010a0434dac804ffcec95fa67267a3

    SHA512

    098b1ce3e5d95d318caccd1ce77be80484f7cef1aae807e3815f32fa2d49f74be7085c2f716187c7d074ea9e239ebfa1e5817b436c9c92e546bfc0e7560096ed

  • C:\Users\Admin\AppData\Roaming\defsghg\dfgdfge.exe.bat

    Filesize

    204B

    MD5

    e2bddbe36b71e23b16f1721da8f3564c

    SHA1

    b01f1c913bb94b8ba068732065d5da347bf143bc

    SHA256

    8b0219b83d6a50727a4acf2ccf53a04cfd348577d90c2489cf9b0d082d43872d

    SHA512

    c07d35abdc8fd3e366383ad7c92d4dc6adebbd0c2ecf0dd7cd5981f3cf72e6d9e6a9cf00719eb7e016dd0dd677ca5794295a2da1a74a8436b092f737db78868b

  • memory/116-4-0x0000000005C10000-0x0000000005CAC000-memory.dmp

    Filesize

    624KB

  • memory/116-24-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

    Filesize

    4KB

  • memory/116-6-0x0000000074C40000-0x00000000753F0000-memory.dmp

    Filesize

    7.7MB

  • memory/116-5-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

    Filesize

    304KB

  • memory/116-3-0x0000000005B20000-0x0000000005BB2000-memory.dmp

    Filesize

    584KB

  • memory/116-2-0x00000000061C0000-0x0000000006764000-memory.dmp

    Filesize

    5.6MB

  • memory/116-28-0x0000000074C40000-0x00000000753F0000-memory.dmp

    Filesize

    7.7MB

  • memory/116-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

    Filesize

    4KB

  • memory/116-1-0x0000000000F60000-0x00000000010CE000-memory.dmp

    Filesize

    1.4MB

  • memory/116-25-0x0000000074C40000-0x00000000753F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4544-18-0x0000000074C40000-0x00000000753F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4544-23-0x0000000074C40000-0x00000000753F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4544-22-0x00000000051A0000-0x0000000005206000-memory.dmp

    Filesize

    408KB

  • memory/4544-26-0x0000000074C40000-0x00000000753F0000-memory.dmp

    Filesize

    7.7MB

  • memory/4544-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/4544-29-0x0000000074C40000-0x00000000753F0000-memory.dmp

    Filesize

    7.7MB