Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 17:34

General

  • Target

    JaffaCakes118_66e4862dc25da507a8fa18021d7b9630.exe

  • Size

    600KB

  • MD5

    66e4862dc25da507a8fa18021d7b9630

  • SHA1

    674a20aaffb405084f343fa77cd73d36af8d4f27

  • SHA256

    ae966ec99ef90d500e70664bde4d24df9f2b696cea1ae3919771c6ea2b04864b

  • SHA512

    e11622b3ff7b561de8641f47c7ff378623fd7ad6702e55a758c5499a1a606f287b08cd41e30a69420b2bcebdfe4c0e72273bce46dc5e1382887701541ad3cc70

  • SSDEEP

    12288:M217s099PzBXWE4QAgYRTI0nNRR5ylEqZWt5yXuzpgIu:M2ySbBXWXzgYR9NRR4eqYjyXuzp4

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_66e4862dc25da507a8fa18021d7b9630.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_66e4862dc25da507a8fa18021d7b9630.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:3336
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_66e4862dc25da507a8fa18021d7b9630.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_66e4862dc25da507a8fa18021d7b9630.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2484

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_66e4862dc25da507a8fa18021d7b9630.exe

    Filesize

    560KB

    MD5

    0684ff95f011a92240e467b1b00f41f8

    SHA1

    95eae8b2df5944e59bc03d522228a8ab857537d8

    SHA256

    dde7ebaec2e530fbbe51a5b8de4fced6ac4bcda5a40cc5992ef6933ddc60f7ed

    SHA512

    ce18b461c61d4b60fed276647c5f2b2af07f40bc72b9c3bbe6ab33ae174b4ded164f3edceef07e5348d7068d98561e1dc1094aa87e534a00b798e763da214b49

  • memory/3336-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3336-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3336-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB