Analysis

  • max time kernel
    154s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/11/2022, 17:08

General

  • Target

    c012f53dd959f7525def5990b132e55c73c5f288eb1cbeb75fe40451e50831dc.exe

  • Size

    192KB

  • MD5

    49a66d018b361cad503fb8c8a170ebd2

  • SHA1

    c631df32bf1047b157648f3ec738633041f1016e

  • SHA256

    c012f53dd959f7525def5990b132e55c73c5f288eb1cbeb75fe40451e50831dc

  • SHA512

    1a34efeda1e7ddd1dac8595584d9896777ff15fd0ea4982ca5d93f8506578bba44d02f2a24a154a922ef46d0be4a76100e1695bce5b6d240adec3948d0d181a1

  • SSDEEP

    3072:rtrZuCWv2JQcFBKBJy6apbuD2VMbj1hlUyw/1obo:rzBWvUFIJlapu2V21r/Y

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 45 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c012f53dd959f7525def5990b132e55c73c5f288eb1cbeb75fe40451e50831dc.exe
    "C:\Users\Admin\AppData\Local\Temp\c012f53dd959f7525def5990b132e55c73c5f288eb1cbeb75fe40451e50831dc.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:2704
    • C:\Users\Admin\souzeul.exe
      "C:\Users\Admin\souzeul.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:4140

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\souzeul.exe

    Filesize

    192KB

    MD5

    2ced7154d514e3f3af7efdc403d79084

    SHA1

    ae03b54f431f311f4971a43564588b702daced4b

    SHA256

    992ee5ba62db2aa50fd790b77921f99431dbc6c6fb44758505883139a63d7f76

    SHA512

    907e4b52af292c33a37d45ebd0c988b84b2e49f65c6262362bdebf8a4766321e2684a4e8ddaf829bc08ce2fae5b3bd7f15a1c05e7e7fe6e6ed78301df9ad586d

  • C:\Users\Admin\souzeul.exe

    Filesize

    192KB

    MD5

    2ced7154d514e3f3af7efdc403d79084

    SHA1

    ae03b54f431f311f4971a43564588b702daced4b

    SHA256

    992ee5ba62db2aa50fd790b77921f99431dbc6c6fb44758505883139a63d7f76

    SHA512

    907e4b52af292c33a37d45ebd0c988b84b2e49f65c6262362bdebf8a4766321e2684a4e8ddaf829bc08ce2fae5b3bd7f15a1c05e7e7fe6e6ed78301df9ad586d