Analysis

  • max time kernel
    90s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 22:54

General

  • Target

    cb79ee11afc2a97b90bcc9be3e25cb5720e560f3d861d4190e7c0bd520869ebc.exe

  • Size

    30KB

  • MD5

    471bcb5bea5e8420f0627623bbf2991f

  • SHA1

    2bedb5a92e91aa77d798667690732c8f625039a5

  • SHA256

    cb79ee11afc2a97b90bcc9be3e25cb5720e560f3d861d4190e7c0bd520869ebc

  • SHA512

    c781e6895a9535617a480b21dae63d5e98861ac4cebb3537768795d9a657b4bdb470a7c0de9a698c1e515af93365dc4d61f055313ee81cfa1633df85c51d4d9f

  • SSDEEP

    768:1fH4o7pGBRS9tIXaaIS2ebupBChnh5inbcuyD7U6j:1P571XIXaaISRbSKnenouy8m

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 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb79ee11afc2a97b90bcc9be3e25cb5720e560f3d861d4190e7c0bd520869ebc.exe
    "C:\Users\Admin\AppData\Local\Temp\cb79ee11afc2a97b90bcc9be3e25cb5720e560f3d861d4190e7c0bd520869ebc.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4868
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe"
      2⤵
      • Modifies registry class
      PID:1304

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\240572140.LOG

          Filesize

          12.2MB

          MD5

          0372da59ad0077840cefbc039a78ae4a

          SHA1

          28c1a550459ba6ba8f3242ee4ab8fbf6a898c2b5

          SHA256

          c14854cb8c18334d4700bbcf154c928b602c610d502942d5f90d6b556acba74a

          SHA512

          1e6c82f9f882d456cb82a6ab3b6eb716450670f9312e32ec2f6546006cc883f847ffe8b5828bcf4bb6b5e967e0494c37da938485d333e80150d0550854224a20

        • memory/4868-132-0x0000000000400000-0x0000000000436000-memory.dmp

          Filesize

          216KB