Analysis

  • max time kernel
    93s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 00:52

General

  • Target

    JaffaCakes118_61ab47429271027aecb7b8384942b560.exe

  • Size

    262KB

  • MD5

    61ab47429271027aecb7b8384942b560

  • SHA1

    996a13e7d8b2aa8742ba7970128b73741e0b043a

  • SHA256

    8e56df10acacc974bafb4d47d81347195c8739064e9f652fbcb1ea64aa9a3b85

  • SHA512

    698f473741320e560da9d60335b8c80b52c76adca61068de210924fb2b5974ea39f3dcb10705911c52835eb31c296f17018530cf9a2757cae4ad2b79b79fcd9c

  • SSDEEP

    6144:k9CnLckP+xn0YOBI+AG0TG0XMMnMMMMMQnDM14k+tkqxro:4kP+xnXOBI+AM0XMMnMMMMMQDM14k+DU

Malware Config

Signatures

  • Detect Neshta payload 4 IoCs
  • 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_61ab47429271027aecb7b8384942b560.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61ab47429271027aecb7b8384942b560.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:4740
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_61ab47429271027aecb7b8384942b560.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_61ab47429271027aecb7b8384942b560.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2260

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_61ab47429271027aecb7b8384942b560.exe

    Filesize

    221KB

    MD5

    7dafafc6d3649a13e9565c2ae7e6883c

    SHA1

    fbd17332b6c69f8c4bd1e89aeb65ae5e2096628c

    SHA256

    5ff190b4151528aa69c61bf36dbd6041f8f6079115e0db94102d94749c7a32aa

    SHA512

    c8e26b07f91160dcf563609e35da6a0080fef57be63cfb75302b55794a227a0d2ed1318222b36a7afd969cbc6ac8cafcaf6ee6809978fec5dd23a646a777f7c4

  • memory/4740-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4740-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4740-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB