Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-07-2024 01:36

General

  • Target

    65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    65a2be90c25779428c09a68d4915f78b

  • SHA1

    d285b2c6fc1e3d4759923becd97264e72e6fa86a

  • SHA256

    85336572d08ec10e9c2660b358d6a5d29bc2de4aff4b4f7b85d15d4f4cc9baf7

  • SHA512

    061d5d547fb055cc3186b741d6903967c24964252413b5cf1fe9f80ddbf1b5b5017f466636f9cc6a31238c221b124d7de3075ee914c025fb014167613d22ba8b

  • SSDEEP

    3072:sr85C0NL28PvcGx1eoSAuMqPvcGx1eoSAuMv:k9048P0Q1xbujP0Q1xbu4

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
  • 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 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\65a2be90c25779428c09a68d4915f78b_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:3588
    • C:\Users\Admin\AppData\Local\Temp\3582-490\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:3456

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\65a2be90c25779428c09a68d4915f78b_JaffaCakes118.exe

    Filesize

    96KB

    MD5

    49ad9ef00b7e8a227720a6f0ccd6caf5

    SHA1

    a1f889c0265946d9b79233eef3a48f5eba1230f8

    SHA256

    0b722e559e02979b991d2680aeb1bc99f56873dc5915f4d739999157a06898c8

    SHA512

    71a9af2ab15ba67142b563218ae6ff29e003f486cc1f6e53810c312f83090344f339c9de6cacc2dd0767b32f2cb5b3e013eb3b1b2a45c3fdb4336289d712781f

  • memory/3588-92-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3588-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3588-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB