Analysis

  • max time kernel
    172s
  • max time network
    178s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 23:47

General

  • Target

    58e9741c7919f4742950fabe825851bb90b720a960e2865daf5466039150cb63.exe

  • Size

    64KB

  • MD5

    0cff37058f2e0aaeb0d1234ba2fd1761

  • SHA1

    3b0120363a5325839bc50703588a5b7dc094f419

  • SHA256

    58e9741c7919f4742950fabe825851bb90b720a960e2865daf5466039150cb63

  • SHA512

    3196307329bff89c3aa20a1e0443a4422164c08ab260488f27eee6c54646f57c39b088d4a245d0710df0a68ff2dfb3707a5798f410437c0ce0cbb3cb95c64df4

  • SSDEEP

    768:pgWCiGePXS9l5yxB90WwKA4aln9xWBixQX2I9NhXL:pp8Ni6WwN4aR9EBie5zL

Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 34 IoCs
  • Modifies file permissions 1 TTPs 34 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58e9741c7919f4742950fabe825851bb90b720a960e2865daf5466039150cb63.exe
    "C:\Users\Admin\AppData\Local\Temp\58e9741c7919f4742950fabe825851bb90b720a960e2865daf5466039150cb63.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\kpvkn.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2276
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\kpvkn.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1592
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\cmd.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4864
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:5052
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\cmd.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:2388
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4624
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\ftp.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:3016
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4088
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\ftp.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:2068
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:220
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\wscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:2772
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2776
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\wscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:1704
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:5064
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\cscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4196
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1260
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\System32\cscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:1956
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:812
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4508
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4660
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\cmd.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4104
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1096
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\ftp.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4996
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4176
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\ftp.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:2224
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:312
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:3940
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:432
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\wscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:3796
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2768
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:2620
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1648
    • C:\Windows\SysWOW64\takeown.exe
      takeown.exe /f "C:\Windows\SysWOW64\cscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:5024
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3960

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\kpvkn.exe

    Filesize

    64KB

    MD5

    0cff37058f2e0aaeb0d1234ba2fd1761

    SHA1

    3b0120363a5325839bc50703588a5b7dc094f419

    SHA256

    58e9741c7919f4742950fabe825851bb90b720a960e2865daf5466039150cb63

    SHA512

    3196307329bff89c3aa20a1e0443a4422164c08ab260488f27eee6c54646f57c39b088d4a245d0710df0a68ff2dfb3707a5798f410437c0ce0cbb3cb95c64df4

  • memory/220-144-0x0000000000000000-mapping.dmp

  • memory/312-160-0x0000000000000000-mapping.dmp

  • memory/432-162-0x0000000000000000-mapping.dmp

  • memory/812-152-0x0000000000000000-mapping.dmp

  • memory/1096-156-0x0000000000000000-mapping.dmp

  • memory/1260-150-0x0000000000000000-mapping.dmp

  • memory/1592-136-0x0000000000000000-mapping.dmp

  • memory/1648-166-0x0000000000000000-mapping.dmp

  • memory/1704-147-0x0000000000000000-mapping.dmp

  • memory/1956-151-0x0000000000000000-mapping.dmp

  • memory/2068-143-0x0000000000000000-mapping.dmp

  • memory/2224-159-0x0000000000000000-mapping.dmp

  • memory/2276-134-0x0000000000000000-mapping.dmp

  • memory/2388-139-0x0000000000000000-mapping.dmp

  • memory/2620-165-0x0000000000000000-mapping.dmp

  • memory/2768-164-0x0000000000000000-mapping.dmp

  • memory/2772-145-0x0000000000000000-mapping.dmp

  • memory/2776-146-0x0000000000000000-mapping.dmp

  • memory/3016-141-0x0000000000000000-mapping.dmp

  • memory/3796-163-0x0000000000000000-mapping.dmp

  • memory/3940-161-0x0000000000000000-mapping.dmp

  • memory/3960-168-0x0000000000000000-mapping.dmp

  • memory/4088-142-0x0000000000000000-mapping.dmp

  • memory/4104-155-0x0000000000000000-mapping.dmp

  • memory/4176-158-0x0000000000000000-mapping.dmp

  • memory/4196-149-0x0000000000000000-mapping.dmp

  • memory/4508-153-0x0000000000000000-mapping.dmp

  • memory/4624-140-0x0000000000000000-mapping.dmp

  • memory/4660-154-0x0000000000000000-mapping.dmp

  • memory/4864-137-0x0000000000000000-mapping.dmp

  • memory/4996-157-0x0000000000000000-mapping.dmp

  • memory/5024-167-0x0000000000000000-mapping.dmp

  • memory/5052-138-0x0000000000000000-mapping.dmp

  • memory/5064-148-0x0000000000000000-mapping.dmp