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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
    29/11/2024, 07:49

General

  • Target

    afd828b7dfbf34be1ac1f253fe1c413c_JaffaCakes118.exe

  • Size

    327KB

  • MD5

    afd828b7dfbf34be1ac1f253fe1c413c

  • SHA1

    f6684eed2cf40c37c56672d7000893f3d7a3387c

  • SHA256

    f04f7a4466920aa4c519f70ea68eaf59b859a937dfdc238a43f297fd5fb42765

  • SHA512

    76fcd1e2d5d7a7d9e8ac6c16b1e27671d36f204306b9834c52fd50b5aa04c1d33091238d1d529e8c73cf09cb16da0390cc12ad2eef4af0c6b27f85403f5cc105

  • SSDEEP

    3072:sr85CgYEz40mQRIh4OgmAozdqFDC7S/Ty3dFFoEDln:k9kzTRIhrKozGsln

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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\afd828b7dfbf34be1ac1f253fe1c413c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\afd828b7dfbf34be1ac1f253fe1c413c_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
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Users\Admin\AppData\Local\Temp\3582-490\afd828b7dfbf34be1ac1f253fe1c413c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\afd828b7dfbf34be1ac1f253fe1c413c_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4268

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\afd828b7dfbf34be1ac1f253fe1c413c_JaffaCakes118.exe

    Filesize

    287KB

    MD5

    44dda945c7b4018eefefe699c5cfe6a8

    SHA1

    f1f9858c636172feffd10f9e1abdbcdc53893ab5

    SHA256

    3df4373ffef5160dfa9175779757326f9aa6a4abdacbe20446b697f969d2b30f

    SHA512

    ca2318547df1b1211575cb5a3eddc879cce46798be158bae3584c9b863a990d4e26fcab4c420b772b338b94b0197732159a490f0ed4bf2a5ff1a7f08d7bfbb97

  • memory/1396-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1396-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/1396-98-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB