Analysis

  • max time kernel
    94s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 17:45

General

  • Target

    JaffaCakes118_5e92d0d13994fb1f7fe1e056a14da687.exe

  • Size

    733KB

  • MD5

    5e92d0d13994fb1f7fe1e056a14da687

  • SHA1

    4a27ce393217777008c5dc30f489e723cf79f222

  • SHA256

    2474426e0195485c5077cf5b9af8a8405c3ff247570a1ca17698dcdda2ce9602

  • SHA512

    8ee56483e9224ab16d73f6bed1338f4d2808b28e929ef8cba5453764ed1abe474254f614c1d619a24ceb92d741253362db98f36ce686bf0ede05dd4294d5e254

  • SSDEEP

    12288:vUhnhZXSBhi/L+qSyRNIdOqbDDGiptXyw9V1VVV4d0ym7twMzaDLW6pG0:vU5hZXSfi/L+qSycGiptXyd8mlDy6pG0

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_5e92d0d13994fb1f7fe1e056a14da687.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5e92d0d13994fb1f7fe1e056a14da687.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:3464
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_5e92d0d13994fb1f7fe1e056a14da687.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_5e92d0d13994fb1f7fe1e056a14da687.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2688

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_5e92d0d13994fb1f7fe1e056a14da687.exe

    Filesize

    693KB

    MD5

    53ef125f698652abba6577637e3c89a5

    SHA1

    ef1f6ec5179915a6f9c2df455e3a96c04a525424

    SHA256

    d234dfbbe3de9f037b52a46429fe001344ccd9ae420b2d1e11f089d7760bc88c

    SHA512

    fada365e109e762535cf8e93a125eae68ed3793a7dd440ac4110b8b48f85d6851edd57b257b3dce970d38881f5652bc5d122aa043962eb0ade76e47bb4e62b12

  • memory/2688-95-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/3464-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3464-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3464-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB