Analysis

  • max time kernel
    177s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2022 13:11

General

  • Target

    42c0d510cdfa459431b44bed505ebfb2a54901ebc745758a77f41daee72d8266.exe

  • Size

    298KB

  • MD5

    243d7b4337da35d8f4090e7382e49b74

  • SHA1

    162d798a1c60da2733f801b42dd1c845f53a22c9

  • SHA256

    42c0d510cdfa459431b44bed505ebfb2a54901ebc745758a77f41daee72d8266

  • SHA512

    8ac7f3bbc22f0a933aa62f7cc4394bdccd8c306eed292b34767fb937f1bb052941e903259c91434fba5000903f155c0058a9ef1a0a7402dc1452884c90ce2653

  • SSDEEP

    6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYE:v6Wq4aaE6KwyF5L0Y2D1PqLf

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • AutoIT Executable 4 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42c0d510cdfa459431b44bed505ebfb2a54901ebc745758a77f41daee72d8266.exe
    "C:\Users\Admin\AppData\Local\Temp\42c0d510cdfa459431b44bed505ebfb2a54901ebc745758a77f41daee72d8266.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Windows\svhost.exe
      C:\Windows\svhost.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\svhost.exe

    Filesize

    298KB

    MD5

    bfaeb61fbfe23f4c7ec0669138b68c4c

    SHA1

    b71fbca2d9197657296f939cf13f1a6431836dce

    SHA256

    6662ca8620cb8c1ee7186ff53e0cc6c3de34f9443dc1140e689ae8b815f3a63d

    SHA512

    f5ac3fa001493d1df9bb09b9907ccf7f6f18ae12247df83c1b75db02f0bfaaaa1487eda504c49f1936727edd22761d5e9144c320f8c9e53c51e2dd44a0ae360f

  • C:\Windows\svhost.exe

    Filesize

    298KB

    MD5

    bfaeb61fbfe23f4c7ec0669138b68c4c

    SHA1

    b71fbca2d9197657296f939cf13f1a6431836dce

    SHA256

    6662ca8620cb8c1ee7186ff53e0cc6c3de34f9443dc1140e689ae8b815f3a63d

    SHA512

    f5ac3fa001493d1df9bb09b9907ccf7f6f18ae12247df83c1b75db02f0bfaaaa1487eda504c49f1936727edd22761d5e9144c320f8c9e53c51e2dd44a0ae360f

  • memory/1436-132-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1436-133-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1436-139-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1768-137-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1768-138-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB