Analysis

  • max time kernel
    90s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-12-2022 16:45

General

  • Target

    7bbb20b1e2a531e3c61eaf446f86a04b01f815377625d666eb5ea244323f3523.exe

  • Size

    1.3MB

  • MD5

    6df67448d286c098501ff0c8b4d9998f

  • SHA1

    d51a48e8e9deb97d5d7dfbdf7f2158337ddf8949

  • SHA256

    7bbb20b1e2a531e3c61eaf446f86a04b01f815377625d666eb5ea244323f3523

  • SHA512

    1621975c1ace5fe05c583b786f8fd6706b3c48c65112f275d63eef1b4eb112e6a2a87813888881e9a991494a759dc49f48db5b6ae37d540e84f9540bb7c7f7d1

  • SSDEEP

    24576:YLeTtjJFtHrKpXC+jgiZq9eIoBgVeTmrqOKVn2MgQY9zbOAi/vDaEUpVLbw:YLYk1g7vV4m2pVn2XzFbOACuEUpVL0

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bbb20b1e2a531e3c61eaf446f86a04b01f815377625d666eb5ea244323f3523.exe
    "C:\Users\Admin\AppData\Local\Temp\7bbb20b1e2a531e3c61eaf446f86a04b01f815377625d666eb5ea244323f3523.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:796
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" -s .\vUxL1r9.JN -u
      2⤵
      • Loads dropped DLL
      PID:3480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\vUxL1r9.JN

    Filesize

    1.4MB

    MD5

    9751c162270df625af4a2869b1f5a91b

    SHA1

    3f9558f55f4426c346960af402fe710666217f4e

    SHA256

    e453b3a78595ce4f770c534fec9fd5d5b739c12a784a22f583ad42d457708da7

    SHA512

    f144e1429efee2968335ee5595451a4ea6a10b3095f1dd987031c58e337f4c0e5d37ea568761b7b4fc9eba253ee9774f236ba8f26d51fd6c3e6e90b53197e86e

  • C:\Users\Admin\AppData\Local\Temp\vUxL1r9.jN

    Filesize

    1.4MB

    MD5

    9751c162270df625af4a2869b1f5a91b

    SHA1

    3f9558f55f4426c346960af402fe710666217f4e

    SHA256

    e453b3a78595ce4f770c534fec9fd5d5b739c12a784a22f583ad42d457708da7

    SHA512

    f144e1429efee2968335ee5595451a4ea6a10b3095f1dd987031c58e337f4c0e5d37ea568761b7b4fc9eba253ee9774f236ba8f26d51fd6c3e6e90b53197e86e

  • memory/3480-135-0x0000000000400000-0x0000000000568000-memory.dmp

    Filesize

    1.4MB

  • memory/3480-138-0x0000000001070000-0x0000000001076000-memory.dmp

    Filesize

    24KB

  • memory/3480-139-0x0000000002DE0000-0x0000000002EC1000-memory.dmp

    Filesize

    900KB

  • memory/3480-140-0x0000000002BE0000-0x0000000002CAA000-memory.dmp

    Filesize

    808KB