Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 10:00

General

  • Target

    09906e7fae2d509cc5a32e1b9da9356c_JaffaCakes118.exe

  • Size

    277KB

  • MD5

    09906e7fae2d509cc5a32e1b9da9356c

  • SHA1

    fce0b99a292624ab110e7ae65687972392f2def3

  • SHA256

    139516f396b6f7cd55ff45850728be2bb86c54744843bb6ec1a3a8b48d048396

  • SHA512

    536d2953cd43117448a042dc72ea72b3fee4a68655e555c655316bffcf3e50565900e9a1916d428cc39bfacbd10918d10be0368cd7facc9334e100be3a739be8

  • SSDEEP

    6144:lsaocyLCJtxWE12TzaJf6TIRlwVoZ9U3+V/15mNled75/:ltobItxLe/TkU3+V1N75/

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\09906e7fae2d509cc5a32e1b9da9356c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\09906e7fae2d509cc5a32e1b9da9356c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\inst.exe
      C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\inst.exe ins.exe /dT201305031341 /e5378787 /aEnvisioneer Express /u50d1d9d5-cf90-407c-820a-35e05bc06f2f
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1040
      • C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\ins.exe
        "C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\ins.exe" /dT201305031341 /e5378787 /aEnvisioneer Express /u50d1d9d5-cf90-407c-820a-35e05bc06f2f
        3⤵
        • Executes dropped EXE
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Modifies system certificate store
        • Suspicious use of SetWindowsHookEx
        PID:4624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\ins.exe

    Filesize

    240KB

    MD5

    f674da01c3b4210662ce7e6e3e8a8ce6

    SHA1

    20a84b32918fbd00ba41e8fe2d35e4dd5596758c

    SHA256

    53517f78047b6d764d26f1a107673edaea94f9163341c72555fd6e4c53192c2e

    SHA512

    21a8a195a750659d8cf1399a817bf2d91e98f6bdf4a3a1bcbbc179783d955e8ce5d5d0e713b511715ca9fb33079639f3809a821a12330500f0765ec77e53d576

  • C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\inst.exe

    Filesize

    136KB

    MD5

    1d97c4e0543a14f19401601518cd57f5

    SHA1

    e7824dd728c22c6e06cb0f74ae580cfe7bfd1c0d

    SHA256

    0cba5ea417eb024f36cbe2aa98d228fdfb7108b9eda60dec1401cfa67651887f

    SHA512

    1de3a244d223657aef4efec50ad6441a17fb705eb59e105224e3c647ca7835172c807739295c60c36b8f2711a0b52e6868b6113c2b11520a3288c3c865121007

  • C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\nsExec.dll

    Filesize

    8KB

    MD5

    249ae678f0dac4c625c6de6aca53823a

    SHA1

    6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

    SHA256

    7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

    SHA512

    66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

  • C:\Users\Admin\AppData\Local\Temp\nsw3D3A.tmp\nsis7z.dll

    Filesize

    170KB

    MD5

    46e29660c591067e77276fa960625f57

    SHA1

    3c3206ec4415de4f09a2066a658fa12621e2ed74

    SHA256

    51f3274fcaf2ef42860f97bed95f407abc60ab31f81a42b38fb2ea1d9b0a434f

    SHA512

    ed7f9babcaa6244eb8f42350a522f75b5078b2854919e281215a4a4ef62ec4bb731a457f5da3a615419a575986eb96517a6c5238f65b2173138c7fd4ff122d83

  • memory/1040-19-0x00007FFDA31F0000-0x00007FFDA3B91000-memory.dmp

    Filesize

    9.6MB

  • memory/1040-21-0x00007FFDA31F0000-0x00007FFDA3B91000-memory.dmp

    Filesize

    9.6MB

  • memory/1040-20-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

    Filesize

    64KB

  • memory/1040-34-0x00007FFDA31F0000-0x00007FFDA3B91000-memory.dmp

    Filesize

    9.6MB

  • memory/1276-43-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/4624-35-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4624-37-0x0000000001080000-0x0000000001090000-memory.dmp

    Filesize

    64KB

  • memory/4624-36-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB

  • memory/4624-47-0x0000000074770000-0x0000000074D21000-memory.dmp

    Filesize

    5.7MB