Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2025 16:12

General

  • Target

    JaffaCakes118_6bd7550f4d76995224b7305467badecc.exe

  • Size

    122KB

  • MD5

    6bd7550f4d76995224b7305467badecc

  • SHA1

    e441400e7f90846924d11da8097a2edfabdd47b5

  • SHA256

    e77179a59e0a8587dd261e06bf410536c93ad38f6d68a9f8ef334c30c58710b8

  • SHA512

    eea4e4811cb2f884913fc03e13b20efa0c4dbeacde26b78467c1e7b460b090718eb7c229471f754fe7f654db03bfd85693ba06dc78ed4d69d96089f289de9c70

  • SSDEEP

    3072:Cr8WDrCz70tRjmjoShmCL+r2p1e/X/2hmn2woB13Dz:KuEtRWoShmULe/0Y23Bz

Malware Config

Signatures

  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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 use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bd7550f4d76995224b7305467badecc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6bd7550f4d76995224b7305467badecc.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2376
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6bd7550f4d76995224b7305467badecc.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6bd7550f4d76995224b7305467badecc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroRd32.exe

    Filesize

    2.4MB

    MD5

    a7d5337d0e7c55d7e224514e887986f9

    SHA1

    407298c4e452999dc017094a26f9456711449199

    SHA256

    6420fc97c76dc9e3b42b3d986e200e58d91f0316407929b49ebc852cca5d025d

    SHA512

    22c62cd18056b6c0fcf14497d3456e58a413284b1a441cfa4fc6e3e9ee09e30d0e70cb879fcabb0ab784120506d6877016a938e78976294676ae1b201b32af07

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_6bd7550f4d76995224b7305467badecc.exe

    Filesize

    82KB

    MD5

    a646bd375098012e7f6af8f648b29a70

    SHA1

    bd2750b1318909e6c1b7501afd903de2aaad820d

    SHA256

    98fd4fc454ac08ff23e09931600a59b9855560521e837a7eadf1aa22c4354726

    SHA512

    332cbcaa10ae74e0dc064b6949fe7d2a41d00d77beee251bc5ba0d1c6574d4f90662ad74446f81c9c1052193acc45844c1130f5e707a5654f8dd68e29c294fd9

  • memory/2376-0-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2376-95-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2376-94-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2376-96-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

  • memory/2376-98-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB