Analysis

  • max time kernel
    145s
  • 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
    06-02-2025 10:43

General

  • Target

    JaffaCakes118_aa405818e90921d7c839a5a525b292a5.exe

  • Size

    102KB

  • MD5

    aa405818e90921d7c839a5a525b292a5

  • SHA1

    aa126edcb6e40ba7231ef6dc9b168aa79a17893d

  • SHA256

    8e8815683b0d9511333141a6274e6e460d0e6606a48a82a8068b7ec7585a5b78

  • SHA512

    97053f4bd38ffd04a890588512b709927a1db09c09a1e87c4cf3c15c5343ff4329070f42c073fa9e18a6e4c4cca51f4789ea0d20cbd32332e2bea550092ecb44

  • SSDEEP

    1536:yxqjQ+P04wsZLnDrC+gf/jsAqOQ7yakTjWODQjPPt7SYOqBLiB4BjOrniDbI4tp:zr8WDrC+gHjJQOaQjWlPoqBMtrn+RT

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 System32 directory 4 IoCs
  • 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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa405818e90921d7c839a5a525b292a5.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa405818e90921d7c839a5a525b292a5.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:4844
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_aa405818e90921d7c839a5a525b292a5.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_aa405818e90921d7c839a5a525b292a5.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2568

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_aa405818e90921d7c839a5a525b292a5.exe

    Filesize

    62KB

    MD5

    555ba04a5f9a7fda44f4513d4b1fbbff

    SHA1

    bf2a8e6c115be518401f82f354d1ce9c89e7b15c

    SHA256

    5119fb036531128b76e9e98e170747b116e2c2db0ad0019cb47f211f87d897a2

    SHA512

    3f6a08d7f7d774eeeabcfdf728479b4519c485b4834323103676ba20c540803c5d9e29cff226cac2811b6d5809e73fc5e834e1956eb532b559ee2628d1eca41f

  • memory/2568-9-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2568-102-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/4844-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4844-103-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4844-105-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB