Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2022 21:10

General

  • Target

    e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe

  • Size

    56KB

  • MD5

    0b7be4f2a06ae6e94bfe0c22c5d2caa0

  • SHA1

    1ea53253d49c572fd424a05c5f3b820c3bdb27ea

  • SHA256

    e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1

  • SHA512

    4f0fd990fad84dfcbbe02ea0fa01843f738bd3ce29ed42c4519d519000fe65cce4c5877ec9ebd30130b2675fa98beb5b93060551d520a1b0ad6e263b9717a0ad

  • SSDEEP

    768:napMKCYujBxfs2J4+5dpw8k8EcsXpIoPIog4z27eIgubraBUyj7z7p2TNeoKmsKd:nGMbX8ssI5puPC

Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 14 IoCs
  • Modifies file permissions 1 TTPs 14 IoCs
  • Drops file in System32 directory 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe
    "C:\Users\Admin\AppData\Local\Temp\e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2164
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "c:\windows\system32\ktbg.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3276
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "c:\windows\system32\ktbg.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1796
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\System32\cmd.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:3880
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\cmd.exe" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1200
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3472
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\System32\ftp.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4072
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3940
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\ftp.exe" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4184
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\System32\wscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:4376
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\wscript.exe" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4392
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3108
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\System32\cscript.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      • Suspicious use of AdjustPrivilegeToken
      PID:3592
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\cscript.exe" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4204
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4220

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Replay Monitor

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Downloads

  • \??\c:\windows\SysWOW64\ktbg.exe
    Filesize

    56KB

    MD5

    0b7be4f2a06ae6e94bfe0c22c5d2caa0

    SHA1

    1ea53253d49c572fd424a05c5f3b820c3bdb27ea

    SHA256

    e30abbb5be0e4ac88c89999c7998751643ef37465bb606a59c11f414807e57b1

    SHA512

    4f0fd990fad84dfcbbe02ea0fa01843f738bd3ce29ed42c4519d519000fe65cce4c5877ec9ebd30130b2675fa98beb5b93060551d520a1b0ad6e263b9717a0ad

  • memory/1200-139-0x0000000000000000-mapping.dmp
  • memory/1796-135-0x0000000000000000-mapping.dmp
  • memory/3108-144-0x0000000000000000-mapping.dmp
  • memory/3276-134-0x0000000000000000-mapping.dmp
  • memory/3472-138-0x0000000000000000-mapping.dmp
  • memory/3592-146-0x0000000000000000-mapping.dmp
  • memory/3880-137-0x0000000000000000-mapping.dmp
  • memory/3940-141-0x0000000000000000-mapping.dmp
  • memory/4072-140-0x0000000000000000-mapping.dmp
  • memory/4184-142-0x0000000000000000-mapping.dmp
  • memory/4204-148-0x0000000000000000-mapping.dmp
  • memory/4220-147-0x0000000000000000-mapping.dmp
  • memory/4376-143-0x0000000000000000-mapping.dmp
  • memory/4392-145-0x0000000000000000-mapping.dmp