Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 11:42

General

  • Target

    b1011afb22057adcd3fa75288965c6fd_JaffaCakes118.exe

  • Size

    70KB

  • MD5

    b1011afb22057adcd3fa75288965c6fd

  • SHA1

    47a993649350b04beea849f8252d14da049e1fa9

  • SHA256

    bc1dcbdf3a0dfe8424d1faf63eb6a28c27f969d8f4df02c3dfd30c2837dab674

  • SHA512

    47a203ecd5023efcf6508d7b665f6a1f8d50dbfa81265ecb8d0a4fd9d81e7eb0dd72ef3ff4692a996c2216133a1f3b9d91725ae747cf722442cc0f26ab203b45

  • SSDEEP

    768:eyxqjQl/EMQt4Oei7RwsHxyP7nbxzOQdJNOQdJ:JxqjQ+P04wsmJCL

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.

  • 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 1 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

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1011afb22057adcd3fa75288965c6fd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b1011afb22057adcd3fa75288965c6fd_JaffaCakes118.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
    PID:5028

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\b1011afb22057adcd3fa75288965c6fd_JaffaCakes118.exe

    Filesize

    40KB

    MD5

    a83351651b6955c6114c663a3556a416

    SHA1

    1e47bc27b25d2745256c426ff7f465d92affc0a8

    SHA256

    a085ee174e221cb7ee2caa4a6d7c6bf27aef85d34a769d9d1882c49e5e113b7f

    SHA512

    9cd71ef48a9a6beb93e222917b97bb2bb6cad089f8058d6299679a0dcd4300c97b0b4a7b96af71d56bf736f97e0ca8f2fb9c94176a6cd3f614d355c4c20f30d7

  • memory/5028-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5028-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/5028-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB