Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 23:59

General

  • Target

    JaffaCakes118_76ef22af2f70c9c21db211ed2328abd6.exe

  • Size

    126KB

  • MD5

    76ef22af2f70c9c21db211ed2328abd6

  • SHA1

    13fdc1595f6510a148c6f57378f5716ad66b8011

  • SHA256

    20fdbcbca33c374faf0939f4a067ec02d9ae8be8d902bd29ebaf53992f962bc8

  • SHA512

    00be6f1d8dcd105d9a51a58f2f07c2cd6ee2841826f910cfc3157bd8ee6c79517e76d04532868251816a0560d05215f9070cd4d4695c309b09f994e534844e24

  • SSDEEP

    3072:zr8WDrCdDeLgw69jRUl2PeLgw69jRUl2:PuMLgt05Lgt0

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_76ef22af2f70c9c21db211ed2328abd6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_76ef22af2f70c9c21db211ed2328abd6.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:432
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_76ef22af2f70c9c21db211ed2328abd6.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_76ef22af2f70c9c21db211ed2328abd6.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4972

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

    d9e8a1fa55faebd36ed2342fedefbedd

    SHA1

    c25cc7f0035488de9c5df0121a09b5100e1c28e9

    SHA256

    bd7696911d75a9a35dfd125b24cb95003f1e9598592df47fa23a2568986a4a9a

    SHA512

    134644c68bd04536e9ea0a5da6e334d36b1ce8012a061fa6dabd31f85c16a1ac9eee8c40fee3d55f25c4d4edf0672de8ce204e344c800361cbcff092c09d7a33

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_76ef22af2f70c9c21db211ed2328abd6.exe

    Filesize

    85KB

    MD5

    91836ae7b7aecffc9bd03a9e6b67158e

    SHA1

    f3354033abbb3307270cdc3fe782d4ca4ec87d70

    SHA256

    c20b51981523585de91f5559dd25191022aa3b978aa7e20932866df273dc41b8

    SHA512

    d94c5e335f6c1e5cef836c561da089113b8ac1922a30fa7583e95899f4666b639478f3be0dadb45749eb7a601697419db76e1fc7dfae52efe68bef0b92096a6a

  • memory/432-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/432-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/432-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/432-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB