Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-07-2024 03:05

General

  • Target

    5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe

  • Size

    168KB

  • MD5

    5ecb9787aa6d090c57087651e90e1df9

  • SHA1

    73180af05512021561e68362a524923d1cdfc75d

  • SHA256

    19ed945bf4322bce952910ea8b5e73954db0add7bc277f8eef95d5dee2b903c3

  • SHA512

    36737eb168e3094d73a7eb5402187035e89c87f6428ae2cdbb170d6b51f3e398ea6d1a172c529e8a5361727ede414b31e4756ea4a777fe11e349123fb13f91ff

  • SSDEEP

    3072:sr85CBn9mLr7ixvH9jxfVuEESIsjydDxG6Nc1huSUZAnas7M0CEwq9LmRB:k9B9wixvH9jxfVuExjCihFaA/CEwkm7

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 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).

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:952
    • C:\Users\Admin\AppData\Local\Temp\3582-490\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      PID:4900

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\5ecb9787aa6d090c57087651e90e1df9_JaffaCakes118.exe

    Filesize

    127KB

    MD5

    3467ff09d4ba639bbc4e156c16a59bbf

    SHA1

    e6645ce42c1f7ce9d6af4ea064b112ab7314fbae

    SHA256

    ba4cdbad5076667a4b89d4f9b3c72c0607b72509bdf42a156f2c42fde612d7ec

    SHA512

    8bce14bb6bcc8edafd2221421b359825f22dfaf2c8680a79646c858ac8f76d8003787d2b3fe3c6b4f1a2c1b9d73092c9e00436a0c1c340e11a55d046bfe63347

  • memory/952-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/952-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/952-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4900-12-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB