Analysis

  • max time kernel
    93s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-12-2024 01:06

General

  • Target

    dc5115518d8d207f002dde0d4967761d_JaffaCakes118.exe

  • Size

    2.8MB

  • MD5

    dc5115518d8d207f002dde0d4967761d

  • SHA1

    9b3b5ff7210de4dba34fe31338c1d3eb5f763d19

  • SHA256

    e2ad94d4cc14b938486754f6938f8195c2a962141ce5377eaf5f2f965d01b9a1

  • SHA512

    49c739ccf667568ff94b97029fa264d2bc9407ae4900ae6bf3994edb24fd7d63d710028fe6f12b141aed671f7db10fea43eb96f0dda44adebb653ca8c14493d3

  • SSDEEP

    49152:hchCV5sKV1hfOSNkMXghO2g/cNNfZt+c+YlMkzSr:hck4efNkwDUz/VOkzSr

Malware Config

Signatures

  • Detect Neshta payload 1 IoCs
  • 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\dc5115518d8d207f002dde0d4967761d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dc5115518d8d207f002dde0d4967761d_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:3304
    • C:\Users\Admin\AppData\Local\Temp\3582-490\dc5115518d8d207f002dde0d4967761d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\dc5115518d8d207f002dde0d4967761d_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3052

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\dc5115518d8d207f002dde0d4967761d_JaffaCakes118.exe

    Filesize

    2.7MB

    MD5

    1f79ffbc500e8fc30c35a5d2c5514ae3

    SHA1

    fb34433090a4360c64614a84396783ef8afa00ad

    SHA256

    57a0aed7f8cfc346fc0731cc6b7a6999b43bd01c28800427ab74c77791c2d951

    SHA512

    1ae73324d2003f34c3dfd6068c147d728c2619cd246239b975183c8bc89333098f2ec4cccf2a5db0808428dd05bf0e6c56d3fdf9ee6a1da6d20afc676f8c9b73

  • memory/3304-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3304-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3304-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB