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Analysis

  • max time kernel
    178s
  • max time network
    250s
  • 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, 10:22

General

  • Target

    6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll

  • Size

    610KB

  • MD5

    8cd355ccd75ac1b337831911d5a226e4

  • SHA1

    30a08f5a2b57c59099d54f261fbcfc15b8dc5a8e

  • SHA256

    6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc

  • SHA512

    1f922771fcb5133bfb1b79ef6e978ce916fe6b1030fadb77a89e49241eefc9164d18a75218890e2260983dcc03e2f4a29159bc7f704bba86844049d19fbcdf94

  • SSDEEP

    12288:TjG/5NwYkK19iOCr+TMoO30mYn0YaAsGhQHxM5DKTrH5eZQ2x:TjGAK19iOCr+TMoO30mYn0YaAstHxM51

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll,#1
      2⤵
      • Sets DLL path for service in the registry
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2188
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul
        3⤵
          PID:392
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k ".Net CaLR"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2284
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe c:\users\admin\appdata\local\temp\6782096df96e79c66161440a1226f01f2b63880eef6356cdd759f6408d28cbfc.dll, Launch
        2⤵
        • Blocklisted process makes network request
        PID:3320

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads