Analysis

  • max time kernel
    94s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2022 22:30

General

  • Target

    1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe

  • Size

    68KB

  • MD5

    6905e9e6ec69c8f324f51d755f8a85f0

  • SHA1

    18b8badd020675e0251c7431899c58de4fb76533

  • SHA256

    1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f

  • SHA512

    d2fe44141c5cead5d9bcdb0100c90ff0f749b608520963c173a10018585213b6d10b9c4fe52a430324110332bb8a64c267805bc873f9d6dc4cea91b84b201f16

  • SSDEEP

    1536:MbmaGlRCR0dYRrdhSBbWOGlZoLLmCI6DDjA+DjcqxoY3:Mb6bFcdYBHGlZoLmCI6DAcDF

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\1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe
    "C:\Users\Admin\AppData\Local\Temp\1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\zllaf.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4924
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\zllaf.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:5116
    • 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:5104
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3796
    • 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:1920
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2384
    • 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:3008
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3332
    • 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:4612
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3328
    • 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:1208
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4312
    • 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:4348
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4276
    • 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:2324
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4184
    • 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:5064
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2836
    • 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:844
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2764
    • 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:4116
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3960
    • 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:4948
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4564
    • 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:2028
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1768
    • 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:3404
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4000
    • 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:2344
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3540
    • 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:2100
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1496
    • 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:2136
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4420

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\zllaf.exe
    Filesize

    68KB

    MD5

    6905e9e6ec69c8f324f51d755f8a85f0

    SHA1

    18b8badd020675e0251c7431899c58de4fb76533

    SHA256

    1dd27eb9559f935c15b7897944d9727bc1cba013794b5e20b2ed248c602c710f

    SHA512

    d2fe44141c5cead5d9bcdb0100c90ff0f749b608520963c173a10018585213b6d10b9c4fe52a430324110332bb8a64c267805bc873f9d6dc4cea91b84b201f16

  • memory/844-153-0x0000000000000000-mapping.dmp
  • memory/1208-145-0x0000000000000000-mapping.dmp
  • memory/1496-166-0x0000000000000000-mapping.dmp
  • memory/1768-160-0x0000000000000000-mapping.dmp
  • memory/1920-139-0x0000000000000000-mapping.dmp
  • memory/2028-159-0x0000000000000000-mapping.dmp
  • memory/2100-165-0x0000000000000000-mapping.dmp
  • memory/2136-167-0x0000000000000000-mapping.dmp
  • memory/2324-149-0x0000000000000000-mapping.dmp
  • memory/2344-163-0x0000000000000000-mapping.dmp
  • memory/2384-140-0x0000000000000000-mapping.dmp
  • memory/2764-154-0x0000000000000000-mapping.dmp
  • memory/2836-152-0x0000000000000000-mapping.dmp
  • memory/3008-141-0x0000000000000000-mapping.dmp
  • memory/3328-144-0x0000000000000000-mapping.dmp
  • memory/3332-142-0x0000000000000000-mapping.dmp
  • memory/3404-161-0x0000000000000000-mapping.dmp
  • memory/3540-164-0x0000000000000000-mapping.dmp
  • memory/3796-138-0x0000000000000000-mapping.dmp
  • memory/3960-156-0x0000000000000000-mapping.dmp
  • memory/4000-162-0x0000000000000000-mapping.dmp
  • memory/4116-155-0x0000000000000000-mapping.dmp
  • memory/4184-150-0x0000000000000000-mapping.dmp
  • memory/4276-148-0x0000000000000000-mapping.dmp
  • memory/4312-146-0x0000000000000000-mapping.dmp
  • memory/4348-147-0x0000000000000000-mapping.dmp
  • memory/4420-168-0x0000000000000000-mapping.dmp
  • memory/4564-158-0x0000000000000000-mapping.dmp
  • memory/4612-143-0x0000000000000000-mapping.dmp
  • memory/4924-134-0x0000000000000000-mapping.dmp
  • memory/4948-157-0x0000000000000000-mapping.dmp
  • memory/5064-151-0x0000000000000000-mapping.dmp
  • memory/5104-137-0x0000000000000000-mapping.dmp
  • memory/5116-136-0x0000000000000000-mapping.dmp