Analysis

  • max time kernel
    141s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2024 19:19

General

  • Target

    6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe

  • Size

    241KB

  • MD5

    6477a8e3daed8793949ba0219204c4b3

  • SHA1

    435db889d60125c024d42dd7e5455ab78a0f043d

  • SHA256

    58b8797e4d07aa3e2dc2acc7d9d2c643cd9330fc59ca1ef72d4b098f968ebe1a

  • SHA512

    d089db31b77c0511d36e4ee74f4b552c42964af87f9030699bedac52912fc82e595813334ec9162fb6fd411909e6fb6ae41463904424baa0bb79bdf118efdcf5

  • SSDEEP

    3072:Rr8WDrCg9h4rJA8tT+tOuai2G8l0AR/oz1XtjxjdJ0GFFbMzSP8EY8jwyAzSP8Ef:tugiA9tOC2G8uANy1VN0GjoA8syA8sL

Malware Config

Signatures

  • Neshta

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

  • 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 2 TTPs

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

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1524
    • C:\Users\Admin\AppData\Local\Temp\3582-490\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:3728

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

    644fd42f8199d1e407d58785a9c8c7d1

    SHA1

    e9302e4de73124554a63e96b1bc078819fd5c7e5

    SHA256

    859dd22745d751ba2e9a199e538c7e868b93374a63544e2feab24fb07607607e

    SHA512

    b49b2aec01371be504dd8eb7fcb1cbd31ce52cce7a8d5923ed2c48c89530d83dde65c96a54ab40be5f017f6a7b1ce051bbb2940978d8073a34b9ccaaaadb0bb2

  • C:\Users\Admin\AppData\Local\Temp\3582-490\6477a8e3daed8793949ba0219204c4b3_JaffaCakes118.exe

    Filesize

    200KB

    MD5

    b63b41f8d4caf367a950e02064692485

    SHA1

    eeb0417050873737340b6afa6fa08720fbecd87d

    SHA256

    70bf0459def6689669bd16ce06b068251c839b3beaa218c97a7189b67006db07

    SHA512

    6a48cfd6cb08fff9c60c10a16c2b7133af0b0dd1dd1645c8c68f73c74ebfe83740f21403052384279ba8fff06c7aafbf2e7c97e878a49824e73caf7ef49efc5d

  • memory/1524-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1524-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1524-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3728-13-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB

  • memory/3728-99-0x0000000000400000-0x00000000004AF000-memory.dmp

    Filesize

    700KB