Analysis

  • max time kernel
    158s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 07:52

General

  • Target

    87953bdf18ba88061cf28ad17116b56f.exe

  • Size

    1.9MB

  • MD5

    87953bdf18ba88061cf28ad17116b56f

  • SHA1

    bc04b30d0e7ca0fc34b1d507ab4b991e0cc5dbc6

  • SHA256

    9ad06b0e000800a33d381949658dbd0bfd7c7f1025aa5c81621b55f2f69a7a3f

  • SHA512

    19d8520c62da97a0a793c1f9eb17ae5865ea3d6d9e4734ac5e4069c864f52fccf06d5961c136095c73e7ee6c3ce1e9ae0038f32e8941f5aa2599327111b386c3

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\87953bdf18ba88061cf28ad17116b56f.exe
    "C:\Users\Admin\AppData\Local\Temp\87953bdf18ba88061cf28ad17116b56f.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Windows\SysWOW64\regsvr32.exe
      "C:\Windows\System32\regsvr32.exe" /U /S V8NgH.K
      2⤵
      • Loads dropped DLL
      PID:1856

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\V8NgH.K
    Filesize

    681.1MB

    MD5

    116f558ce26d856dda8875228d40cd64

    SHA1

    aa9e683d1bd584029679b8a6463e11b30a13190d

    SHA256

    7dae8703accc936872ac739653b7829a78c28fd8a5ce8e17deb10810e5c634d8

    SHA512

    b3865844e4717cd1849924bc82214f1ff289971c1c5b49e02e9af611264e06ec0f13adebbf2c3631537b36a250083087754b1b45a7a5f48a179e0becf7e0267f

  • C:\Users\Admin\AppData\Local\Temp\v8NgH.K
    Filesize

    682.8MB

    MD5

    dec75150ae1a88326cfbba1ad4d90345

    SHA1

    65b35717ab19045a80017968c353880aa01fe08f

    SHA256

    346f5d0021dbd8ffeb55fb83e6841c6442c8720c615cba5b9b2e469d1306d6b7

    SHA512

    3d319e1438b1af5900df98dc05e443d0bfb8e0a008d0e145a430fb0c8dfd0fe9864da94f9c4ed3194633daf7ca6fb1aef71ffda8b8fc64e962050808a7d35ebd

  • C:\Users\Admin\AppData\Local\Temp\v8NgH.K
    Filesize

    682.8MB

    MD5

    dec75150ae1a88326cfbba1ad4d90345

    SHA1

    65b35717ab19045a80017968c353880aa01fe08f

    SHA256

    346f5d0021dbd8ffeb55fb83e6841c6442c8720c615cba5b9b2e469d1306d6b7

    SHA512

    3d319e1438b1af5900df98dc05e443d0bfb8e0a008d0e145a430fb0c8dfd0fe9864da94f9c4ed3194633daf7ca6fb1aef71ffda8b8fc64e962050808a7d35ebd

  • memory/1856-131-0x0000000000000000-mapping.dmp
  • memory/1856-135-0x0000000002100000-0x0000000003100000-memory.dmp
    Filesize

    16.0MB

  • memory/1856-136-0x000000002D100000-0x000000002D1DF000-memory.dmp
    Filesize

    892KB

  • memory/1856-137-0x000000002D2A0000-0x000000002D35B000-memory.dmp
    Filesize

    748KB

  • memory/1856-138-0x000000002D360000-0x000000002D414000-memory.dmp
    Filesize

    720KB

  • memory/1856-139-0x000000002D420000-0x000000002D4C0000-memory.dmp
    Filesize

    640KB