Analysis

  • max time kernel
    95s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-02-2025 01:15

General

  • Target

    JaffaCakes118_777efeb84bf5902d4cf2eed1a2bfbff0.exe

  • Size

    129KB

  • MD5

    777efeb84bf5902d4cf2eed1a2bfbff0

  • SHA1

    2fc42a9fb1e982dd03c705c9965b46a610dfc35c

  • SHA256

    39b4395de000a66c4f6690fccea9ba359f2f8d89fe335a953557ace5296ebefc

  • SHA512

    ee18e89acfcd3a942c07ca6fa80b98c66ffdb5a86eb781e8bf8868efa46a9bb271ead98db536219840d33027184b163dc60e921838f4aad94c12e356750b8c20

  • SSDEEP

    3072:Rr8WDrC2w9U26Yyg6Dou5Qw9U26Yyg6Dou5Q0:tu28UnYXp8UnYXp0

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_777efeb84bf5902d4cf2eed1a2bfbff0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_777efeb84bf5902d4cf2eed1a2bfbff0.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:2024
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_777efeb84bf5902d4cf2eed1a2bfbff0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_777efeb84bf5902d4cf2eed1a2bfbff0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1280

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_777efeb84bf5902d4cf2eed1a2bfbff0.exe

    Filesize

    88KB

    MD5

    0a8258ff64c0fccad87d3cfc2c05cd7b

    SHA1

    b0300ddbd191e2d30f682e18575a98cf3d8dc7e7

    SHA256

    b1e33c91097f63d8b76666a096bcbb3b25e4f312ee9456a4ba3a690e7765dc00

    SHA512

    3b2d10a9feb24f2e21806f0bb197560c9fe9bc8497aabb95f28f7060971cf6f5be1cf366224b91e43b3cf7f61dbbf9d13860ec2b0c965f2c54e5fd23918e52d2

  • memory/2024-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2024-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2024-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB