Analysis

  • max time kernel
    92s
  • 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
    05-12-2024 09:45

General

  • Target

    c718361e03612983a9fad32a0406e15f_JaffaCakes118.exe

  • Size

    128KB

  • MD5

    c718361e03612983a9fad32a0406e15f

  • SHA1

    14bda8416b8a8311b15cca794bf5ccd71b347f2b

  • SHA256

    5a29d547713e1c8e569b0151a76cc1d1135537cab6d33e567da4df910b1ef31f

  • SHA512

    5de86f87323d717f98a5f9f487fdf265f28ed96f4dc2a02e4023d7eb92fbc7e2be642aab4d89ed093a804592d91986df3d33a63fc3a4af7b76e7223dd86e3074

  • SSDEEP

    3072:pr8WDrCxZd9k00rlc1VYwoxRrQoRoal7iveGXuSQoeEpxvPwOm+hCuItZd:FuxZd9k00rlc1VYwoxRrQoRoal7iveGk

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\c718361e03612983a9fad32a0406e15f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c718361e03612983a9fad32a0406e15f_JaffaCakes118.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:4564
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c718361e03612983a9fad32a0406e15f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c718361e03612983a9fad32a0406e15f_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3256

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

    3ca71899df3040619e4d0e484dccc5bf

    SHA1

    5029d9719b090d75b513780bb7cd8c75c12b90a0

    SHA256

    472e66ffcbdf1aee600cedffe2110b0662699b2d32e1eb160f0bf9919b221644

    SHA512

    6a463a2e64bef77112508c5a22f14761255ef5592870c6566a242c944f25d50510e38688bf9b33d73fe9532bd85424bf82d147af21129cbd5083a4bb09683a9f

  • C:\Users\Admin\AppData\Local\Temp\3582-490\c718361e03612983a9fad32a0406e15f_JaffaCakes118.exe

    Filesize

    88KB

    MD5

    88cb012272268a6f8941d94a55b06747

    SHA1

    6e22076b12d44fcc37869ea0365df5b8b3cee777

    SHA256

    6062cb1f34a6f29274754551a122d723fd3c62b390379122d2cd37832b9e0e80

    SHA512

    3f4cb4ac4f472524551448eefd8d07d44ab713ebcd069861d25242752d88b1ecfcf425a2d8cdaa54d8c14c9e058a4399380cb43685e44e29953794c0a23657b6

  • memory/3256-10-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/4564-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4564-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4564-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4564-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB