Analysis

  • max time kernel
    191s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/12/2022, 23:38

General

  • Target

    82abb0295c37fdb0ee39fd4ec4540d25b050bd8a43d106ef016a7f106e49bdd7.exe

  • Size

    172KB

  • MD5

    b219c914d880d32256d74d765dddcd0c

  • SHA1

    934042e5172849a0e9472ea176ab3388e9de6f07

  • SHA256

    82abb0295c37fdb0ee39fd4ec4540d25b050bd8a43d106ef016a7f106e49bdd7

  • SHA512

    2d3b796913a8bcfc3f201806cf6e196a292b074fdc60faa94467a2138632551c01795d3992f1ca17709b80670675489d517ae243ad2e584f2c089507abf81e21

  • SSDEEP

    3072:uChDLsNgqi3muDOqkVfbX936NDoZq4rvKT9G:VDLsNg73muDOqkpbX937Zq4ry

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 58 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82abb0295c37fdb0ee39fd4ec4540d25b050bd8a43d106ef016a7f106e49bdd7.exe
    "C:\Users\Admin\AppData\Local\Temp\82abb0295c37fdb0ee39fd4ec4540d25b050bd8a43d106ef016a7f106e49bdd7.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Users\Admin\vaukuu.exe
      "C:\Users\Admin\vaukuu.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\vaukuu.exe

    Filesize

    172KB

    MD5

    a4fa9ba4b22f14eb576bdc03ea08a767

    SHA1

    c98a16344df42bdc7b8a2fe0aa4c5070ddc24069

    SHA256

    29d5dbb36a553bcc1c75e7d1ab39edd1de1b294fbf54494f663faff57a71c447

    SHA512

    7cdacbe70c1f1229584ac340a1ed2cd880ca8e5fbff82d863bfe8bd3d4cb81e8edbb57353d71cd8088c8baec1815ee77f46121a21de30913c9c83b2d4330b6c8

  • C:\Users\Admin\vaukuu.exe

    Filesize

    172KB

    MD5

    a4fa9ba4b22f14eb576bdc03ea08a767

    SHA1

    c98a16344df42bdc7b8a2fe0aa4c5070ddc24069

    SHA256

    29d5dbb36a553bcc1c75e7d1ab39edd1de1b294fbf54494f663faff57a71c447

    SHA512

    7cdacbe70c1f1229584ac340a1ed2cd880ca8e5fbff82d863bfe8bd3d4cb81e8edbb57353d71cd8088c8baec1815ee77f46121a21de30913c9c83b2d4330b6c8