Analysis

  • max time kernel
    141s
  • max time network
    107s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-07-2024 16:51

General

  • Target

    63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe

  • Size

    754KB

  • MD5

    63fce9495d3ffad47e44ed2245c34253

  • SHA1

    bf136b6664d6b3b9963c12aa921e124e23c0fa7e

  • SHA256

    fc888a0f0487934ab02ab615b0dc23727a9d87b0e689738016464fac17ba8c96

  • SHA512

    740febbeba093c12bfe59cb089aebdfac89330f624b66738dddd22e622df6b1486d35546381087c3303689bbf83ce2911f1127a6b2c0905ab431c0e797141c4b

  • SSDEEP

    12288:4sIKt7tB/XuqHNh28dHnj0g68HLaKEoEu3RN+jM9:4sIKt7t1ek2Yj0tmLaKEoH3RN+jM9

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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\63fce9495d3ffad47e44ed2245c34253_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:1576
    • C:\Users\Admin\AppData\Local\Temp\3582-490\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      PID:2848

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\63fce9495d3ffad47e44ed2245c34253_JaffaCakes118.exe

    Filesize

    713KB

    MD5

    78ac633b80c9d081770d1982c47d9ccc

    SHA1

    61ac4a9bd0412e9929bebcd34bfe9ae434ded8a5

    SHA256

    55d4920f81e6370e4ffc09f7467c15737e8a2f1b6a23971104527b3d8ae702ac

    SHA512

    c593096c709e258cae8cb366a84d8ae9d2adb6adb327c735109f7d403d7fed552f4cf6215d5f26f34b93a0f435969fa77d16ebf68fbfd096021a14c6b6c47bc2

  • memory/1576-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1576-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1576-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB