Analysis

  • max time kernel
    94s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-01-2025 12:58

General

  • Target

    JaffaCakes118_c8b44608e1e6781a5c36a0d5cc704d9a.exe

  • Size

    268KB

  • MD5

    c8b44608e1e6781a5c36a0d5cc704d9a

  • SHA1

    fedda0a7b2c050dc0444f63b50137071491918d9

  • SHA256

    6db66c2812788a18424d1e9e7acc603263c2e62d0d04668c8a179755bf47f851

  • SHA512

    c0b8ff8876d53416ee851547f13547a348322eef6e41655ad0e9b955c020373bf6ebb6364ead66296e9771ae6967142aee4f21e5ace1fb19864e83575ee86e14

  • SSDEEP

    3072:sr85CrQbMj4aezgsmlp3vKpRBikwfzDAWVOaFIyfcB:k97ezgvCpRBdEQ

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_c8b44608e1e6781a5c36a0d5cc704d9a.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c8b44608e1e6781a5c36a0d5cc704d9a.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:1596
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_c8b44608e1e6781a5c36a0d5cc704d9a.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_c8b44608e1e6781a5c36a0d5cc704d9a.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5072

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_c8b44608e1e6781a5c36a0d5cc704d9a.exe

    Filesize

    228KB

    MD5

    1a0533bf6fc681ebf64e4cbbbc151eb0

    SHA1

    c1d441ce2cf5d402dc704513fd230789a71a0841

    SHA256

    a369be06fe0b429cb790a8ec3aec6eb2883b18a4687ef93f0d2a636a7b722f48

    SHA512

    b9f66a4649e7943f0ca1aee430f0b42696b8f1def4255c51b0d67fcd4e636036b0522599fae3a76d33d3afc3ff1d322e74084defc5dd703629f6bdf34311479e

  • memory/1596-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1596-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1596-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB