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
    05-12-2024 07:09

General

  • Target

    c6809c59a0f3fe3b79fdbccc3392bda4_JaffaCakes118.exe

  • Size

    522KB

  • MD5

    c6809c59a0f3fe3b79fdbccc3392bda4

  • SHA1

    3316eae23659e2df1403de0d8c5b0141a3237a7c

  • SHA256

    b2950de7ddc3044afbcdb6a88c2da96d602d693b192fc52eed1884538a000b3f

  • SHA512

    a5128e7835e54e1b7e8d54f8373999e454820c9255705df91432e0c82e10dd49f3ce2f7687b1b3b326bdd43ff8beab31a2c0f520def80111c01f4fcb877f872f

  • SSDEEP

    6144:PuG6FJwLjMlvYzErIaWdGs6R54p7Z+/z9B4pfn0TRBR/acvctUOuaP97:36FuL92Ia+GFS+LPTnIn+I7

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\c6809c59a0f3fe3b79fdbccc3392bda4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c6809c59a0f3fe3b79fdbccc3392bda4_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:4612
    • C:\Users\Admin\AppData\Local\Temp\3582-490\c6809c59a0f3fe3b79fdbccc3392bda4_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\c6809c59a0f3fe3b79fdbccc3392bda4_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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\c6809c59a0f3fe3b79fdbccc3392bda4_JaffaCakes118.exe

    Filesize

    481KB

    MD5

    f5b956fe597bf181843304dbfdcc1bbd

    SHA1

    9515553fd676ffdfeeeb564c50de539c12d99fd1

    SHA256

    1e98b5065b666cab9c2e58456978342a151f4f01e9ffe4c639808d77af01c5d3

    SHA512

    643de3ae517c6ccfdc550d5d3dd540bec1b0e0392d41be4437f1ccded9dc09f19af553b0469f640972210eeb5adc95ecebef0421ece01434a0f1d1ae4a70fcd5

  • memory/4612-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4612-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4612-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB