Analysis

  • max time kernel
    91s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2025 00:04

General

  • Target

    JaffaCakes118_3a4e46b080f9c467035ef6742f901706.exe

  • Size

    94KB

  • MD5

    3a4e46b080f9c467035ef6742f901706

  • SHA1

    5826921ee02e135eb1c8e4afc2b8500511e4068a

  • SHA256

    17c5ed15c9427a55866762ff40c4930417875fe793d9033ece1f12482e4cf659

  • SHA512

    d5c33c9c2e1c8662ea37c1a02fb458857b21c487fc6594dbda3eb2b25d7880f6282b683f2e44684ab596e1b8d94fdf08325944e7b681fcf167037114a63fc2a2

  • SSDEEP

    1536:kxqjQ+P04wsZLnDrCR47tlDTRc5EPMLbM/ud5tetWvVrbnp3OiT:Rr8WDrCRiPRwBM/O5rv33OiT

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\JaffaCakes118_3a4e46b080f9c467035ef6742f901706.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a4e46b080f9c467035ef6742f901706.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:3260
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_3a4e46b080f9c467035ef6742f901706.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_3a4e46b080f9c467035ef6742f901706.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1752

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\JaffaCakes118_3a4e46b080f9c467035ef6742f901706.exe

    Filesize

    53KB

    MD5

    0587e3341014e37ae53f516ade629333

    SHA1

    16615dab13c8aa63c3faaf2f8bee17eec3fbe793

    SHA256

    6752b51cb19d5d3b5be243ceb1d3c908720b91b2e171cad55ceb9d5b37e477eb

    SHA512

    991c65b3a3d496c0b96529ffe6b27ee7928c460d7d0e803e3b58b7a673773ed6459efb28fc153dcf0aec88a98ce91a4e5f62482c5276062a1244470f0c928145

  • memory/3260-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3260-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3260-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB