Analysis

  • max time kernel
    149s
  • 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
    31-12-2024 09:42

General

  • Target

    JaffaCakes118_123d1422e2d63968422338016bfbd18d.exe

  • Size

    183KB

  • MD5

    123d1422e2d63968422338016bfbd18d

  • SHA1

    ae77b424445a929c8a88ac2b183f2c7f3d7fd278

  • SHA256

    3f2827379d4ec57994868e6bd88e6d30a7ed4aaa29c773b348ca7112f523b3a6

  • SHA512

    f564e94d7976ef5176e865ed99f410621bfd06f07ec92ac02ad3bbf956528340e2fbbb3b63d62dbd9b2e3be0081c2f779c99515261c65e1ecddd2d4902ca4f7c

  • SSDEEP

    3072:sr85CT6Esj6rCAteJVZKM7xiZOO3HoD9nWh0kV070r85ChhW4vR+:k9T6Esx7xCOO40h0keQ9m45+

Malware Config

Signatures

  • Detect Neshta payload 4 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\JaffaCakes118_123d1422e2d63968422338016bfbd18d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_123d1422e2d63968422338016bfbd18d.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:1056
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_123d1422e2d63968422338016bfbd18d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_123d1422e2d63968422338016bfbd18d.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

    Filesize

    86KB

    MD5

    3b73078a714bf61d1c19ebc3afc0e454

    SHA1

    9abeabd74613a2f533e2244c9ee6f967188e4e7e

    SHA256

    ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

    SHA512

    75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

  • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_123d1422e2d63968422338016bfbd18d.exe

    Filesize

    143KB

    MD5

    ea03f051a258955baf4dcfd80f729194

    SHA1

    c0f0bc3f1a8a244d0618fc90416b195bc64f1319

    SHA256

    1be430707a1ac55dc62881a6a5ab32f0355c62015d6607c044a491a353546042

    SHA512

    68972ef8deff0ce7d502b0bb193907ba3e9e6eea4364c3025c7c2b4edec6845601e9b5273e3f3efa27422dc28219d5835c626fc54a1d264f600ee29b85a89d36

  • memory/1056-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1056-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1056-101-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB