Analysis

  • max time kernel
    173s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 01:08

General

  • Target

    dc8a0f9420ecd55c40fbdde0d237c5f997f6703fef6e60a66108163d10de97c3.exe

  • Size

    76KB

  • MD5

    098a49e0eea24ae4b9c8f01c4ecc6410

  • SHA1

    8a16646bfcc53306a7111deb7a7c2fc57a052146

  • SHA256

    dc8a0f9420ecd55c40fbdde0d237c5f997f6703fef6e60a66108163d10de97c3

  • SHA512

    bcbcecf70a19440a2a912a82999466c3ae0d7ed606b103c04b3e2cd7ade0c39ec03b3e3f4e699dfca8abc1339b19b991a0083a8690e0b8c45cc759474f88b681

  • SSDEEP

    768:AjpsO93EjYWI5msZASgPFnov7RrSUsuj0t5VUYStWsLZE8ZimI+uFFeVsVX1:Ajp1tQu7RxOU6vnCE1

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\dc8a0f9420ecd55c40fbdde0d237c5f997f6703fef6e60a66108163d10de97c3.exe
    "C:\Users\Admin\AppData\Local\Temp\dc8a0f9420ecd55c40fbdde0d237c5f997f6703fef6e60a66108163d10de97c3.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4832
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\irikx.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:5080
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\irikx.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2564
    • 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:4616
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2560
    • 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:2488
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1132
    • 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:2328
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3428
    • 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:5060
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:308
    • 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:4692
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4356
    • 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:4648
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4152
    • 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:1828
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4408
    • 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:1416
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3492
    • 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:4296
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4224
    • 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:2676
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2720
    • 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:572
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1484
    • 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:5092
    • 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:312
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4280
    • 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:804
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3796
    • 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:2196
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2276
    • 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:5080
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2564

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Replay Monitor

Loading Replay Monitor...

Downloads

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

    76KB

    MD5

    098a49e0eea24ae4b9c8f01c4ecc6410

    SHA1

    8a16646bfcc53306a7111deb7a7c2fc57a052146

    SHA256

    dc8a0f9420ecd55c40fbdde0d237c5f997f6703fef6e60a66108163d10de97c3

    SHA512

    bcbcecf70a19440a2a912a82999466c3ae0d7ed606b103c04b3e2cd7ade0c39ec03b3e3f4e699dfca8abc1339b19b991a0083a8690e0b8c45cc759474f88b681

  • memory/308-144-0x0000000000000000-mapping.dmp
  • memory/312-161-0x0000000000000000-mapping.dmp
  • memory/572-157-0x0000000000000000-mapping.dmp
  • memory/804-163-0x0000000000000000-mapping.dmp
  • memory/1132-140-0x0000000000000000-mapping.dmp
  • memory/1416-151-0x0000000000000000-mapping.dmp
  • memory/1484-158-0x0000000000000000-mapping.dmp
  • memory/1828-149-0x0000000000000000-mapping.dmp
  • memory/2196-165-0x0000000000000000-mapping.dmp
  • memory/2224-159-0x0000000000000000-mapping.dmp
  • memory/2276-166-0x0000000000000000-mapping.dmp
  • memory/2328-141-0x0000000000000000-mapping.dmp
  • memory/2488-139-0x0000000000000000-mapping.dmp
  • memory/2560-138-0x0000000000000000-mapping.dmp
  • memory/2564-168-0x0000000000000000-mapping.dmp
  • memory/2564-136-0x0000000000000000-mapping.dmp
  • memory/2676-155-0x0000000000000000-mapping.dmp
  • memory/2720-156-0x0000000000000000-mapping.dmp
  • memory/3428-142-0x0000000000000000-mapping.dmp
  • memory/3492-152-0x0000000000000000-mapping.dmp
  • memory/3796-164-0x0000000000000000-mapping.dmp
  • memory/4152-148-0x0000000000000000-mapping.dmp
  • memory/4224-154-0x0000000000000000-mapping.dmp
  • memory/4280-162-0x0000000000000000-mapping.dmp
  • memory/4296-153-0x0000000000000000-mapping.dmp
  • memory/4356-146-0x0000000000000000-mapping.dmp
  • memory/4408-150-0x0000000000000000-mapping.dmp
  • memory/4616-137-0x0000000000000000-mapping.dmp
  • memory/4648-147-0x0000000000000000-mapping.dmp
  • memory/4692-145-0x0000000000000000-mapping.dmp
  • memory/5060-143-0x0000000000000000-mapping.dmp
  • memory/5080-134-0x0000000000000000-mapping.dmp
  • memory/5080-167-0x0000000000000000-mapping.dmp
  • memory/5092-160-0x0000000000000000-mapping.dmp