Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 21:08

General

  • Target

    23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe

  • Size

    1.7MB

  • MD5

    90bb791df80b2da1e66e89b470263166

  • SHA1

    f3001e7c145061cb805aee50899bd26ec2012ffe

  • SHA256

    23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320

  • SHA512

    76fc6dfb08c520585c637e726f3c28584e5185b1ebdc719a01320c209dc678a3ac3d2b3aada900d9274221d6ba7f7269e57514a22b9fb1dfc57c02e4d221ee11

  • SSDEEP

    49152:VLYgseYu63KVX10jlxG20ZCijNY25emwQ:VLYkY33KxyjlxG2Zp2gfQ

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 2 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\23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe
    "C:\Users\Admin\AppData\Local\Temp\23643a79d2522ed352cc593118e73a349f30fd42c21eb55c2979217f7d6fc320.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" VrkuI~m.4v -u -s
      2⤵
      • Loads dropped DLL
      PID:3500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\VrkuI~m.4v

    Filesize

    1.7MB

    MD5

    08c5ec5aaea6124a6046de321c7739a4

    SHA1

    7c46630b56c733f38d6733c0cbf6613c93b097c2

    SHA256

    448b3200ae06bb3e6fd4f248c1a7ae3cdffb3f7e72d4b34fb8b44f4d023abf2f

    SHA512

    36e55cab6180f84f3ee43dc075a98f543bba4136229962becd52c84b8f9f247323e04b157e9535fdcc23dbaa0548fbe0f5c99c4a8f516f8ff271605cd2bd378a

  • C:\Users\Admin\AppData\Local\Temp\VrkuI~m.4v

    Filesize

    1.7MB

    MD5

    08c5ec5aaea6124a6046de321c7739a4

    SHA1

    7c46630b56c733f38d6733c0cbf6613c93b097c2

    SHA256

    448b3200ae06bb3e6fd4f248c1a7ae3cdffb3f7e72d4b34fb8b44f4d023abf2f

    SHA512

    36e55cab6180f84f3ee43dc075a98f543bba4136229962becd52c84b8f9f247323e04b157e9535fdcc23dbaa0548fbe0f5c99c4a8f516f8ff271605cd2bd378a

  • C:\Users\Admin\AppData\Local\Temp\VrkuI~m.4v

    Filesize

    1.7MB

    MD5

    08c5ec5aaea6124a6046de321c7739a4

    SHA1

    7c46630b56c733f38d6733c0cbf6613c93b097c2

    SHA256

    448b3200ae06bb3e6fd4f248c1a7ae3cdffb3f7e72d4b34fb8b44f4d023abf2f

    SHA512

    36e55cab6180f84f3ee43dc075a98f543bba4136229962becd52c84b8f9f247323e04b157e9535fdcc23dbaa0548fbe0f5c99c4a8f516f8ff271605cd2bd378a

  • memory/3500-132-0x0000000000000000-mapping.dmp

  • memory/3500-136-0x0000000001FC0000-0x0000000002183000-memory.dmp

    Filesize

    1.8MB

  • memory/3500-137-0x00000000024A0000-0x00000000025B4000-memory.dmp

    Filesize

    1.1MB

  • memory/3500-138-0x00000000026E0000-0x00000000027F4000-memory.dmp

    Filesize

    1.1MB

  • memory/3500-139-0x0000000002800000-0x00000000028C8000-memory.dmp

    Filesize

    800KB

  • memory/3500-140-0x00000000028D0000-0x0000000002983000-memory.dmp

    Filesize

    716KB

  • memory/3500-143-0x00000000026E0000-0x00000000027F4000-memory.dmp

    Filesize

    1.1MB