Analysis

  • max time kernel
    141s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-12-2024 19:39

General

  • Target

    0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe

  • Size

    1.8MB

  • MD5

    938aed087a343f6177ffe5f8ba3944a3

  • SHA1

    660715046a506d3995cd87c9f5628c3db029f06b

  • SHA256

    0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977

  • SHA512

    354bd6f1a1ce8f73d815b891a10887a204c897ddbd0e98699e0323cde38a8aa96a82804064679503502b6ee3609765530ea10eb4bb103403954ecf407b1c3df3

  • SSDEEP

    49152:uWwO7RVi/cnQD2OOJOhFhKONotW6mTZTeklSgCGYnnC3I7:uWh7Li/WyvhcgT8goC3S

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.

  • UPX packed file 17 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe
    "C:\Users\Admin\AppData\Local\Temp\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.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:4580
    • C:\Users\Admin\AppData\Local\Temp\3582-490\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3252

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\0bc4582e37190473b593fe74522771575932ae9dbbaf8ece0efe93b8baf9a977.exe

    Filesize

    1.7MB

    MD5

    c321f026aa95d0922d0bad113cb950b4

    SHA1

    3623d7ff7c714fcac5acf600bed851417c3ed8c9

    SHA256

    06340d7b087ab2175892ec1afa3ce9f1b50813b215d4555c4ffc0535f8472085

    SHA512

    a8434e4372e3bcef39b49441e87ee151d5055e7af1e0111df23f8078faa7879fcf817421b50e389315998ee08a1d4b42132b6ff243f9c19efa7c9acdab0e8542

  • memory/3252-101-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-102-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-95-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-94-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-111-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-97-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-110-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-100-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-8-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-109-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-103-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-104-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-105-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-106-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-107-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/3252-108-0x0000000000A90000-0x0000000000F88000-memory.dmp

    Filesize

    5.0MB

  • memory/4580-93-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4580-99-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4580-96-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB