Analysis

  • max time kernel
    137s
  • max time network
    147s
  • 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 08:41

General

  • Target

    cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe

  • Size

    68KB

  • MD5

    01d2a08c2976f6f7f3a6579d1d64aa26

  • SHA1

    0f4fae2be30446e39ce0e14a5763dd7c41ff4b0f

  • SHA256

    cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804

  • SHA512

    33d92ef8bd3a210ab47fe2fee961456779ce32aca0777c7a165fa1dbc669e8e7352ad6f4890a0193dc95ff59f9417c9ab54e160ff7872c622410300a03be5804

  • SSDEEP

    768:HTTv3ANWbKrlPoQTR2I7Zsn3aRuDDHm0PwwljxXoyoi4/BSx1vjobw8Q8MEe:HHnmzL23SuTnljmyoiy1Q8Je

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\cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe
    "C:\Users\Admin\AppData\Local\Temp\cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4272
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\akxk.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1192
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\akxk.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2688
    • 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:2560
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1052
    • 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:1708
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:5044
    • 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:4416
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1208
    • 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:3728
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:228
    • 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:4404
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4916
    • 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:2848
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2812
    • 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:2076
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3460
    • 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:3652
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1992
    • 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:4376
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4044
    • 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:1312
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3376
    • 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:2852
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2300
    • 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:2844
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3952
    • 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:4372
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1148
    • 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:1560
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4844
    • 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:2864
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1776
    • 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:4436
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4380

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\akxk.exe
    Filesize

    68KB

    MD5

    01d2a08c2976f6f7f3a6579d1d64aa26

    SHA1

    0f4fae2be30446e39ce0e14a5763dd7c41ff4b0f

    SHA256

    cb2aa043ecd50bee7f4a660087e62ca45c2c1cbc433420512b0e7c8fa362c804

    SHA512

    33d92ef8bd3a210ab47fe2fee961456779ce32aca0777c7a165fa1dbc669e8e7352ad6f4890a0193dc95ff59f9417c9ab54e160ff7872c622410300a03be5804

  • memory/228-144-0x0000000000000000-mapping.dmp
  • memory/1052-138-0x0000000000000000-mapping.dmp
  • memory/1148-162-0x0000000000000000-mapping.dmp
  • memory/1192-134-0x0000000000000000-mapping.dmp
  • memory/1208-142-0x0000000000000000-mapping.dmp
  • memory/1312-155-0x0000000000000000-mapping.dmp
  • memory/1560-163-0x0000000000000000-mapping.dmp
  • memory/1708-139-0x0000000000000000-mapping.dmp
  • memory/1776-166-0x0000000000000000-mapping.dmp
  • memory/1992-152-0x0000000000000000-mapping.dmp
  • memory/2076-149-0x0000000000000000-mapping.dmp
  • memory/2300-158-0x0000000000000000-mapping.dmp
  • memory/2560-137-0x0000000000000000-mapping.dmp
  • memory/2688-136-0x0000000000000000-mapping.dmp
  • memory/2812-148-0x0000000000000000-mapping.dmp
  • memory/2844-159-0x0000000000000000-mapping.dmp
  • memory/2848-147-0x0000000000000000-mapping.dmp
  • memory/2852-157-0x0000000000000000-mapping.dmp
  • memory/2864-165-0x0000000000000000-mapping.dmp
  • memory/3376-156-0x0000000000000000-mapping.dmp
  • memory/3460-150-0x0000000000000000-mapping.dmp
  • memory/3652-151-0x0000000000000000-mapping.dmp
  • memory/3728-143-0x0000000000000000-mapping.dmp
  • memory/3952-160-0x0000000000000000-mapping.dmp
  • memory/4044-154-0x0000000000000000-mapping.dmp
  • memory/4372-161-0x0000000000000000-mapping.dmp
  • memory/4376-153-0x0000000000000000-mapping.dmp
  • memory/4380-168-0x0000000000000000-mapping.dmp
  • memory/4404-145-0x0000000000000000-mapping.dmp
  • memory/4416-141-0x0000000000000000-mapping.dmp
  • memory/4436-167-0x0000000000000000-mapping.dmp
  • memory/4844-164-0x0000000000000000-mapping.dmp
  • memory/4916-146-0x0000000000000000-mapping.dmp
  • memory/5044-140-0x0000000000000000-mapping.dmp