Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    11-05-2024 12:14

General

  • Target

    3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe

  • Size

    2.4MB

  • MD5

    3488b0c364c116f0649c40009a745ba8

  • SHA1

    c3e4b049dc44aa1eee0d592f0da97f68317cb222

  • SHA256

    8e1aa0b81c431b07d9101bf00ebf8f80575faa99769dfd880ed6ab2c24f87ea3

  • SHA512

    82f645d849f19629fb252e89ceada9d480e97c7b4494e54fae9d3da61b5255e58b588ee547b19824ffdabeb664542f26e941c5d960affaeb04d76d5dec2417df

  • SSDEEP

    49152:6+gpjnooS1eyMRElV9VDDvRdV0CcCwtuJeL3:6Rso0NPVDZHwtAeL3

Score
10/10

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.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1740
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/3488b0c364c116f0649c40009a745ba8_JaffaCakes118.exe" "%appdata%\sdfg\dfsdgh.exe" /Y
      2⤵
        PID:1728
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %appdata%\sdfg\dfsdgh.exe:Zone.Identifier
        2⤵
        • NTFS ADS
        PID:1680
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ren "%appdata%\sdfg\dfsdgh.exe.jpg" dfsdgh.exe
        2⤵
          PID:2712
        • C:\Users\Admin\AppData\Local\Temp\svhost.exe
          "C:\Users\Admin\AppData\Local\Temp\svhost.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2752
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c C:\Users\Admin\AppData\Roaming\sdfg\dfsdgh.exe.bat
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:2968
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 300
            3⤵
            • Delays execution with timeout.exe
            PID:2552

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\sdfg\dfsdgh.exe

        Filesize

        2.4MB

        MD5

        3488b0c364c116f0649c40009a745ba8

        SHA1

        c3e4b049dc44aa1eee0d592f0da97f68317cb222

        SHA256

        8e1aa0b81c431b07d9101bf00ebf8f80575faa99769dfd880ed6ab2c24f87ea3

        SHA512

        82f645d849f19629fb252e89ceada9d480e97c7b4494e54fae9d3da61b5255e58b588ee547b19824ffdabeb664542f26e941c5d960affaeb04d76d5dec2417df

      • C:\Users\Admin\AppData\Roaming\sdfg\dfsdgh.exe.bat

        Filesize

        200B

        MD5

        249f71028fa2742d4a26ecf30e6b4eb8

        SHA1

        b2a07bd19cab5fd7be8ed0de7ac2934ce7cc3752

        SHA256

        ba381c05e6cd8083abe50136bec85ed088e140610fdac6f449e775e736bf163f

        SHA512

        6ffe6ded3fe52811b15cbab8667c1a970b0391864dceec7051ee87f536619d81005ee7aa082051511f48274288ae5fbefc324603593350122bf507fb3a309ad4

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

        Filesize

        255KB

        MD5

        9af17c8393f0970ee5136bd3ffa27001

        SHA1

        4b285b72c1a11285a25f31f2597e090da6bbc049

        SHA256

        71d6a7a3fe5f8dc878cd5bdeca0e09177efb85c01e9a8a10a95262cabefaa019

        SHA512

        b90f7de7d5ce72dccb264c7ba609e173c529b9d99ed9a63f88632bc58b1a994bbb727365f519c73b979f8918bd6de3c39a9f0347eb3a4bccdce4b2772a6516a3

      • memory/1740-1-0x00000000012C0000-0x0000000001534000-memory.dmp

        Filesize

        2.5MB

      • memory/1740-2-0x0000000006F90000-0x00000000070C0000-memory.dmp

        Filesize

        1.2MB

      • memory/1740-4-0x0000000074500000-0x0000000074BEE000-memory.dmp

        Filesize

        6.9MB

      • memory/1740-3-0x00000000004B0000-0x00000000004BC000-memory.dmp

        Filesize

        48KB

      • memory/1740-41-0x0000000074500000-0x0000000074BEE000-memory.dmp

        Filesize

        6.9MB

      • memory/1740-0-0x000000007450E000-0x000000007450F000-memory.dmp

        Filesize

        4KB

      • memory/2752-21-0x0000000000080000-0x000000000008C000-memory.dmp

        Filesize

        48KB

      • memory/2752-26-0x0000000000080000-0x000000000008C000-memory.dmp

        Filesize

        48KB

      • memory/2752-23-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        Filesize

        4KB

      • memory/2752-31-0x0000000000080000-0x000000000008C000-memory.dmp

        Filesize

        48KB

      • memory/2752-19-0x0000000000080000-0x000000000008C000-memory.dmp

        Filesize

        48KB

      • memory/2752-29-0x0000000000080000-0x000000000008C000-memory.dmp

        Filesize

        48KB

      • memory/2752-17-0x0000000000080000-0x000000000008C000-memory.dmp

        Filesize

        48KB