Analysis

  • max time kernel
    140s
  • max time network
    107s
  • 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 13:47

General

  • Target

    63693cb91db944ef93142b52d383bbd5_JaffaCakes118.exe

  • Size

    229KB

  • MD5

    63693cb91db944ef93142b52d383bbd5

  • SHA1

    53c351a84291dbf1ee132c65af34ffddb351cd1f

  • SHA256

    c9dc847e170ec309dfb9f011cf202bada3d264b382f79edd63b3b1baaeae330a

  • SHA512

    f35877ffe3258d7fb4fd64b9d03ccddcd6e7605fefdb63da8260216886233f2a6aa0b325d826f850e07523c93351cbfef7c27ab5a7647062d4686c4f72e8338b

  • SSDEEP

    3072:Rr8WDrCi0xj4Sle/qGTCAyNetBEtZTRA+U+BEtZTRA+UY:tuoetZG+9etZG+P

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.

  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63693cb91db944ef93142b52d383bbd5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\63693cb91db944ef93142b52d383bbd5_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:524
    • C:\Users\Admin\AppData\Local\Temp\3582-490\63693cb91db944ef93142b52d383bbd5_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\63693cb91db944ef93142b52d383bbd5_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:3936

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\63693cb91db944ef93142b52d383bbd5_JaffaCakes118.exe

    Filesize

    188KB

    MD5

    e3ec8d6e67d47f184f0d024dccbff464

    SHA1

    f7e9bc12a5c518dbb6f4b3cc6fcaa93cfbe2b97f

    SHA256

    a2a128ee9152c8f20bb76bf0c4a6b706e29e9c501a847ec0125d7e300453c35b

    SHA512

    7d796212e39f384bcaf40a9fdd8a7db85d2e9cd57d4ba0bb91a04018ecf5d17708ede28333b9e9e626f7d497a9fe1170ff5372c41a73961cfd77d53845125e45

  • memory/524-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/524-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/524-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB