Analysis

  • max time kernel
    95s
  • max time network
    141s
  • 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 04:29

General

  • Target

    JaffaCakes118_04a63b3bdce9e6191e601ef8d73ffac0.exe

  • Size

    181KB

  • MD5

    04a63b3bdce9e6191e601ef8d73ffac0

  • SHA1

    4b58bc64137270b061893a7cad949d2c8bbaee54

  • SHA256

    a666c14d9f1c6ce764e04da17525185cd3f5028c74a19b8239bcf4f6a0832629

  • SHA512

    7d2d3f04aeba531f00d22b1b31a6ce566b031d336732a89d515d274335c2f205d5549e2aa287a88cc794a1574fda256165f4a3e885bbbc298733cbfa93bb98b7

  • SSDEEP

    3072:sr85C7CmPTAanPebh3+VHO03wF/cxYnhUw+8FF/cxYnhUw+8d:k97jZGbhCO03wF0xYhzJF0xYhzZ

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_04a63b3bdce9e6191e601ef8d73ffac0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_04a63b3bdce9e6191e601ef8d73ffac0.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:2560
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_04a63b3bdce9e6191e601ef8d73ffac0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_04a63b3bdce9e6191e601ef8d73ffac0.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2416

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_04a63b3bdce9e6191e601ef8d73ffac0.exe

    Filesize

    141KB

    MD5

    9b4a6bd3340b9735cdf26ff4e46c5151

    SHA1

    a49724fb0874ad4331fba0cae31c121ed02210f6

    SHA256

    314b6dcac3785776e40e0e7f4056d15e54ce77f555f06306cca21ef2b4ce04c8

    SHA512

    d7009a3ff10fffd721a1d0319f0125dc6af6591e3c7d3a2d3501d7e0e13a791bb3ccdab86c851bad8153465c024188878cb8852f9b15cfe36a516fcc96c11ead

  • memory/2560-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2560-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2560-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB