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Analysis

  • max time kernel
    123s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 21:50

General

  • Target

    b00d4ebd7bc399779cad21567d6a21110185f2740b3917114e351a9e1b02bc71.exe

  • Size

    45KB

  • MD5

    989d406c0998f63418085f32a3b4b6eb

  • SHA1

    11a7088fe7e9bec9ddbffb0bc354cfea26b36e39

  • SHA256

    b00d4ebd7bc399779cad21567d6a21110185f2740b3917114e351a9e1b02bc71

  • SHA512

    771de6770fa8838526c9d7ab84ec051cd138104ece0d7a9cf1984cfba31ceaccf1fb31a7f2fe79cb1733044d5c5547dee856b7319840353d1f6f9343bf3786f1

  • SSDEEP

    768:yQJVdwwIyyKYEC1p4Lww98gIZrhZyqHJSS1enFm8v:ymVcy8z89EFpreFBv

Score
9/10
upx

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • UPX packed file 3 IoCs

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

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

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

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b00d4ebd7bc399779cad21567d6a21110185f2740b3917114e351a9e1b02bc71.exe
    "C:\Users\Admin\AppData\Local\Temp\b00d4ebd7bc399779cad21567d6a21110185f2740b3917114e351a9e1b02bc71.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\B00D4E~1.EXE >> NUL
      2⤵
        PID:1568

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\emHnPuBAaF7XjuXBbdxSg.dll

      Filesize

      221KB

      MD5

      2380dcbc7215b71f2f57c67a64aa84a0

      SHA1

      311c3a840ac088d43d24416a32c4a670bcc3c9d9

      SHA256

      e90ab7b05c5849d7332cedbc8f9a77f7647153bfa8bb8349181112adfe39246b

      SHA512

      19681981656c5f9c079ad1dc842cecba978e32bc759a5e1d582a23ef6fe8ab6b46e9ec5321e99c7b7f7e5c6b8bf33fb78d1f7fb4440847b86410202624bb668e

    • memory/5052-133-0x0000000010000000-0x0000000010012000-memory.dmp

      Filesize

      72KB

    • memory/5052-135-0x0000000010000000-0x0000000010012000-memory.dmp

      Filesize

      72KB