Analysis

  • max time kernel
    220s
  • max time network
    235s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 10:32

General

  • Target

    176cd7a571f2cf2a5daecd58bb8c52b6.exe

  • Size

    604KB

  • MD5

    176cd7a571f2cf2a5daecd58bb8c52b6

  • SHA1

    ca635e4a3a36fb5cb265d0676059a3e7fe61074b

  • SHA256

    1505d45bcc9b30ef7d23f0eae1d473730dc2467941f125b63d7453d3886db767

  • SHA512

    69149574bacbc42108d5e1815dc19189ad0d05b5d4a30a2a68084a90765bb334cfe45fc399466e500d305a358a964b1b9d04670d1da0bb8a289cfaa2bcddae7b

  • SSDEEP

    12288:lqmSXl3v5iqGWvSOEZIJo333nEHYdpSYzcHwYm0h/pBWGXAO6rwT2Os9eNvjAdB:lXSXl3v5fv38naHYqVSZO6rwds9cvjAb

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\176cd7a571f2cf2a5daecd58bb8c52b6.exe
    "C:\Users\Admin\AppData\Local\Temp\176cd7a571f2cf2a5daecd58bb8c52b6.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Users\Admin\AppData\Local\Temp\n3659\s3659.exe
      "C:\Users\Admin\AppData\Local\Temp\n3659\s3659.exe" 5136d026e9f800fcf8f41b0037qdVFrrSokkGR99U+/rnEuOx2L2Np8DyN0IqKnwx7HyrmJ9kYGGhWuTDyTSLMKv4vR69J4amy/Btyi5ADt+nN3i/Ga/B+EA/haKy+7FtnsT7aGt7G0fKeMowZ6i2E+m/laov7Ve3iHrViWe5fMWkRD+ /v "C:\Users\Admin\AppData\Local\Temp\176cd7a571f2cf2a5daecd58bb8c52b6.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3659\s3659.exe

    Filesize

    229KB

    MD5

    c7a6d01a847a39c88efbe79e2bacd95d

    SHA1

    4422c5334f100c4f214bbc8dddb1ce6f39f962d3

    SHA256

    e0fdf7b5c67e9b22593b277b0c4e2fb03e667a1932c322f1d5cd3432fc48af29

    SHA512

    eb5acaa7da130783e1c8acf6583371edac6e4a263219ef9cb38ad6dc90a26b4d8d41542553565fa2f0e41c1c7e348fec934121233ea56bc94362f1c7544d1a6c

  • memory/3636-13-0x00007FFAB9340000-0x00007FFAB9CE1000-memory.dmp

    Filesize

    9.6MB

  • memory/3636-14-0x00000000015A0000-0x00000000015B0000-memory.dmp

    Filesize

    64KB

  • memory/3636-28-0x00000000015A0000-0x00000000015B0000-memory.dmp

    Filesize

    64KB

  • memory/3636-29-0x000000001C170000-0x000000001C182000-memory.dmp

    Filesize

    72KB

  • memory/3636-32-0x000000001C8F0000-0x000000001CDBE000-memory.dmp

    Filesize

    4.8MB

  • memory/3636-33-0x000000001CE60000-0x000000001CEFC000-memory.dmp

    Filesize

    624KB

  • memory/3636-34-0x0000000001320000-0x0000000001382000-memory.dmp

    Filesize

    392KB

  • memory/3636-35-0x00000000015A0000-0x00000000015B0000-memory.dmp

    Filesize

    64KB

  • memory/4368-0-0x00000000000D0000-0x000000000016D000-memory.dmp

    Filesize

    628KB