Analysis

  • max time kernel
    93s
  • max time network
    149s
  • 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 00:25

General

  • Target

    JaffaCakes118_618b060057e09fd8ea63c2126557e300.exe

  • Size

    1.3MB

  • MD5

    618b060057e09fd8ea63c2126557e300

  • SHA1

    d07a5b6eb430b648bee5b51b50a5f88146086009

  • SHA256

    b3e39b3fa8185270d94dfc97b70c82817283666d3a93ffc0d7ca518f4cdb7635

  • SHA512

    9d46ecf16e448addf515c1b6e8f4e587dba5ef5551b4c1deab3870eaf68212df43e3217df6a3bbeddb0bcc08e8f008ad7b414c4bcb41aaf33adce54b821dab58

  • SSDEEP

    24576:qVqyG3T/+ofiDIZE2kChYYmpY9a2nWEdEC6GnJJ3GpkFSstvx9jCA:qQdhZgEN6GnJeYR

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_618b060057e09fd8ea63c2126557e300.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_618b060057e09fd8ea63c2126557e300.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:1472
    • C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_618b060057e09fd8ea63c2126557e300.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\JaffaCakes118_618b060057e09fd8ea63c2126557e300.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4972

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_618b060057e09fd8ea63c2126557e300.exe

    Filesize

    1.2MB

    MD5

    5787671be6e3c8ca82050dd52ab010f5

    SHA1

    1f6cce73eb786efcc76b0eb43b0755312e10c6dc

    SHA256

    16c25486508a839fe05f2ddd85fe4fa044f246df29f6e2016b57bb951eebd86c

    SHA512

    258fc4a5e0f659d5879179424ede02cb9a9929731a5e0faf3f1bc9c46c66b3a353324d960cff658d14be8c3cd5e37ee9a84265738869f17c0fea2d0ff7d6dfad

  • memory/1472-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1472-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1472-100-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4972-12-0x0000000002300000-0x0000000002301000-memory.dmp

    Filesize

    4KB

  • memory/4972-96-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB