Analysis

  • max time kernel
    119s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/03/2025, 06:00

General

  • Target

    JaffaCakes118_5d719d8d73199792d17b0744552a9d34.exe

  • Size

    235KB

  • MD5

    5d719d8d73199792d17b0744552a9d34

  • SHA1

    f985cf42e201e75fe02d493f7f3466c92e75f206

  • SHA256

    02577711bfa38cd6fba201dfb85d54b4b8a1bba2bfafe38eec1319c2fc219dd5

  • SHA512

    b18426f57a0ade026a4dac29f856295ebc5b6ac26f215858981ed945f87366c7343a35b7a5f185f0bedfeacea228a1ace1f3bbfcb3301e90493c09c520a5472d

  • SSDEEP

    6144:zphUyNq8ibIsUeIuiFFXYBmGFXfyHH+8kUBq:zvUyNq8OqeIuiemIyn+8Y

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 42 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d719d8d73199792d17b0744552a9d34.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5d719d8d73199792d17b0744552a9d34.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:980
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\run_kl_file.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4560
      • C:\Users\Admin\AppData\Local\Temp\ki183D6.tmp
        C:\Users\Admin\AppData\Local\Temp\ki183D6.tmp
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 596
          4⤵
          • Program crash
          PID:2204
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ins8B49.tmp.msi" /quiet
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3520
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Users\Admin\AppData\Local\Temp\inl8EA5.tmp
        C:\Users\Admin\AppData\Local\Temp\inl8EA5.tmp cdf1912.tmp
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3056
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\inl8EA5.tmp > nul
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3552
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1060
      • C:\Windows\SysWOW64\expand.exe
        expand.exe "C:\Users\Admin\AppData\Local\Temp\favorites_url.cab" -F:*.* "C:\Users\Admin\Favorites"
        3⤵
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:3132
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\JAFFAC~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3636
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2680 -ip 2680
    1⤵
      PID:3208
    • C:\Windows\system32\msiexec.exe
      C:\Windows\system32\msiexec.exe /V
      1⤵
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2936
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 929EB459AE2A3FB2138D1E031C989003
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4632

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\cdf1912.tmp

      Filesize

      768B

      MD5

      d20d9eda31a2d0300e4589df7f352370

      SHA1

      79b46d2dbb489914cfedafdbc90e62951471b48e

      SHA256

      d7a1d6a8cf5c3fbb85cd06147a599f5274630b86b1c89721f10a60c1bbe994d8

      SHA512

      d28c5b69325a9833776ea362445b77b231a0ec9b9b8b4a2ad37a434ee8b2b0c1903d6ade1e372f73ac8ada951e0a24076cf23d9307d27fed5927f4bf8b0d0a5e

    • C:\Users\Admin\AppData\Local\Temp\run_dws_file.bat

      Filesize

      57B

      MD5

      87578210c62be650acce36a40ff32322

      SHA1

      bbf69258702a18ab97791fb24797ad6bcf2404b9

      SHA256

      55421eb6bb7ba4f5181ddd3f62e72be17b7a843c907487c7869de226348d56d0

      SHA512

      2e2150ac72732f873025b494fdad22cacce641c0447fa19a4aec11bbb6b5a6675ec13e013086e886b4609bfb79c76365646c14b47379196e35a0c097fb72dfe9

    • C:\Users\Admin\AppData\Local\Temp\run_kl_file.bat

      Filesize

      45B

      MD5

      faf5ff536cc1074ba98087cab986fcca

      SHA1

      9339115d913b55d4776807d40f97ffe1533f7bb8

      SHA256

      4e66641dc6e26315093eabc1458b7ec4596be5d5df0879a19ac5f761db988494

      SHA512

      529420e4da78577107d014c83fe21d06ca79acdf2efbcf93aa181a10ab831cdc8b648905fb765e3aa940ef8a38cd56a7e948d8e808f6c74613913d0e8378e19b

    • C:\Users\Admin\AppData\Local\Temp\tmp_ext_favurl_cab.bat

      Filesize

      98B

      MD5

      8663de6fce9208b795dc913d1a6a3f5b

      SHA1

      882193f208cf012eaf22eeaa4fef3b67e7c67c15

      SHA256

      2909ea8555f2fc19097c1070a1da8fcfd6dc6886aa1d99d7e0c05e53feeb5b61

      SHA512

      9381063e0f85e874be54ae22675393b82c6ab54b223090148e4acbeff6f22393c96c90b83d6538461b695528af01d1f1231cf5dc719f07d6168386974b490688

    • C:\Windows\Installer\MSI91A1.tmp

      Filesize

      48KB

      MD5

      9067aad412defc0d2888479609041392

      SHA1

      36cfffc3bafeb24f88ad5886ca5787ca008b6ba9

      SHA256

      99f4e00b6908057a2fe5067ff6c8b6e32b5c07558ab79139dc4b998f1da4b517

      SHA512

      e69f259d78b02e6c1a5d9c45898b59372329a5288fff655dd741353f112b2b8eed18b01caa2bf312a91f5e314e1c0b036321b37c8efbebdcf3650ba6b12dee6a

    • \??\c:\users\admin\appdata\local\temp\favorites_url.cab

      Filesize

      425B

      MD5

      da68bc3b7c3525670a04366bc55629f5

      SHA1

      15fda47ecfead7db8f7aee6ca7570138ba7f1b71

      SHA256

      73f3605192b676c92649034768378909a19d13883a7ea6f8ba1b096c78ffadb5

      SHA512

      6fee416affcb6a74621479697bca6f14f5429b00de3aa595abe3c60c6b2e094877b59f8783bbe7bdd567fa565d0630bb02def5603f8f0ea92fe8f2c3ac5383c0

    • memory/980-0-0x0000000000400000-0x0000000000480000-memory.dmp

      Filesize

      512KB

    • memory/980-39-0x00000000001A0000-0x00000000001A3000-memory.dmp

      Filesize

      12KB

    • memory/980-38-0x0000000000400000-0x0000000000480000-memory.dmp

      Filesize

      512KB

    • memory/980-1-0x00000000001A0000-0x00000000001A3000-memory.dmp

      Filesize

      12KB

    • memory/2680-13-0x0000000023560000-0x0000000023595BE0-memory.dmp

      Filesize

      214KB

    • memory/2680-11-0x0000000023560000-0x0000000023595BE0-memory.dmp

      Filesize

      214KB

    • memory/3056-72-0x0000000000400000-0x0000000000408000-memory.dmp

      Filesize

      32KB