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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2022, 23:33

General

  • Target

    9a19576fdbcf83b9b0f14c4b2b4d92f1439837c02d3d2d623f567de4252a2013.exe

  • Size

    42KB

  • MD5

    87350e3f6f3a332eff96d103b5cf0435

  • SHA1

    d6bce558d577efc34b6eca9de248987dcb907867

  • SHA256

    9a19576fdbcf83b9b0f14c4b2b4d92f1439837c02d3d2d623f567de4252a2013

  • SHA512

    829ce60d711b6dbc9171ea72f6de411c5db06fd9841f5404425f83e5b180372a9d02d98a39966c9b752873e08a09680b558d56b7d2b15fbb35fc54756c8e252a

  • SSDEEP

    768:ypBpcpHpTczXmlfJ2K7kKVDw9mN6MCGONDpWaIjf3Wv2qOV/xESKXxHCx7qq+2hD:ypBpcpHpgD0oK7kKVc9+CG15r3WvROlV

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 45 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9a19576fdbcf83b9b0f14c4b2b4d92f1439837c02d3d2d623f567de4252a2013.exe
    "C:\Users\Admin\AppData\Local\Temp\9a19576fdbcf83b9b0f14c4b2b4d92f1439837c02d3d2d623f567de4252a2013.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1332
    • C:\Users\Admin\AppData\Local\Temp\youtube.exe
      "C:\Users\Admin\AppData\Local\Temp\youtube.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4860
      • C:\Windows\SYSTEM32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\youtube.exe" "youtube.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:3392

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\youtube.exe

    Filesize

    42KB

    MD5

    87350e3f6f3a332eff96d103b5cf0435

    SHA1

    d6bce558d577efc34b6eca9de248987dcb907867

    SHA256

    9a19576fdbcf83b9b0f14c4b2b4d92f1439837c02d3d2d623f567de4252a2013

    SHA512

    829ce60d711b6dbc9171ea72f6de411c5db06fd9841f5404425f83e5b180372a9d02d98a39966c9b752873e08a09680b558d56b7d2b15fbb35fc54756c8e252a

  • C:\Users\Admin\AppData\Local\Temp\youtube.exe

    Filesize

    42KB

    MD5

    87350e3f6f3a332eff96d103b5cf0435

    SHA1

    d6bce558d577efc34b6eca9de248987dcb907867

    SHA256

    9a19576fdbcf83b9b0f14c4b2b4d92f1439837c02d3d2d623f567de4252a2013

    SHA512

    829ce60d711b6dbc9171ea72f6de411c5db06fd9841f5404425f83e5b180372a9d02d98a39966c9b752873e08a09680b558d56b7d2b15fbb35fc54756c8e252a

  • memory/1332-132-0x00007FF95FF20000-0x00007FF960956000-memory.dmp

    Filesize

    10.2MB

  • memory/4860-136-0x00007FF95FF20000-0x00007FF960956000-memory.dmp

    Filesize

    10.2MB