Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 07:19

General

  • Target

    f7e76a62bfd81f6c1b3502c8aec45ef7_JaffaCakes118.exe

  • Size

    209KB

  • MD5

    f7e76a62bfd81f6c1b3502c8aec45ef7

  • SHA1

    e17e46ff72327633c52eca61e823b0df8a6bb8f7

  • SHA256

    302c4078756564f4101d116688b62c28728cb8930934043a38a1c05f1aa458af

  • SHA512

    be28af9c278eca88fb3d9aa6456b81e7a864ce0ad4d7d63ba5577aa48cd0d812ee10a31ecb27c2c907cd9fe631edce4538039443387b82943e7115d1fe0c67d4

  • SSDEEP

    3072:zr8WDrCVd3eWhXenrmrVVuQP5cw0b0LzouxXn42+Cj:PuV1zhXereVVFOw04LzouxXn42+Q

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\f7e76a62bfd81f6c1b3502c8aec45ef7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7e76a62bfd81f6c1b3502c8aec45ef7_JaffaCakes118.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:4624
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f7e76a62bfd81f6c1b3502c8aec45ef7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f7e76a62bfd81f6c1b3502c8aec45ef7_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4728

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\f7e76a62bfd81f6c1b3502c8aec45ef7_JaffaCakes118.exe

    Filesize

    169KB

    MD5

    180487fccc834e7a4ad4ff8e497b0729

    SHA1

    50bd6f245fc111a21e07664dcc90e1d464894706

    SHA256

    d2d31139f107aa9701482bdf61967de288a334bf4b7ba78e5d230f2dbacac226

    SHA512

    306b1161c1bb581ded2f2b9ac27fa952c3a369813cc8fa6bf412da941d607a8c5b50f4f54c8322b1fc5ef207eadb8beca93bb8c98ed697b69ebe0e8490cb0675

  • memory/4624-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4624-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4624-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB