Analysis

  • max time kernel
    94s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 19:05

General

  • Target

    011601e1079e6b578e437abb5e62dffded380b4f2e311a7c1d49e96b83d7209e.exe

  • Size

    2.2MB

  • MD5

    1e96396106d81b50e9c6cbb1789dc456

  • SHA1

    2984338368a4afcc45693e8f39842e0875ff5bea

  • SHA256

    011601e1079e6b578e437abb5e62dffded380b4f2e311a7c1d49e96b83d7209e

  • SHA512

    5509c06d8a8dff881ac09e4fde1f818e6355cd4fd7b6eb4d53e02285efa47994abf3094a46e8cf85bb1115469eaf93382910591330fa9aba9a032a72ba033a4f

  • SSDEEP

    49152:GF/0gkbAKq/6ViBR4q7EH+lRvrdW27fWmRmQbMZWrAVKUKcdarz6hg/Sz0JCnGHq:C0g6hq/6ViYqW+I/mRmQfGQWs0d

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 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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\011601e1079e6b578e437abb5e62dffded380b4f2e311a7c1d49e96b83d7209e.exe
    "C:\Users\Admin\AppData\Local\Temp\011601e1079e6b578e437abb5e62dffded380b4f2e311a7c1d49e96b83d7209e.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:3800
    • C:\Users\Admin\AppData\Local\Temp\3582-490\011601e1079e6b578e437abb5e62dffded380b4f2e311a7c1d49e96b83d7209e.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\011601e1079e6b578e437abb5e62dffded380b4f2e311a7c1d49e96b83d7209e.exe"
      2⤵
      • Executes dropped EXE
      PID:2068

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\011601e1079e6b578e437abb5e62dffded380b4f2e311a7c1d49e96b83d7209e.exe

    Filesize

    2.2MB

    MD5

    58dc6857c566b25743a2f06cc3f3df06

    SHA1

    f74891f01c0d44779131c5c6ea5a8b71b56c9e00

    SHA256

    469f309af16201594892370962a1b627efef94481f93c024ebe3ee10ac8dedd0

    SHA512

    94467ecebbc444f868f2d8c57a07b0cc2465655c46178c0d7e08b636881205c457da3409b580ba0e16975597178a6aee4d621355e4eb118a16f8f32a65c97f68

  • memory/3800-94-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3800-95-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3800-97-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB