Analysis

  • max time kernel
    112s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 06:47

General

  • Target

    facad88d55740654dc9a67a5e052bc04a2a35a64956071bdaed0ad171f251b42.exe

  • Size

    72KB

  • MD5

    31620df922955bc7ac7989e4a7fde6e0

  • SHA1

    17a4f735cf75dbf35d7e110221711b7378d0ca1e

  • SHA256

    facad88d55740654dc9a67a5e052bc04a2a35a64956071bdaed0ad171f251b42

  • SHA512

    a56e78860f49a9ecb1f11334a83b8399865a313c769f9161acaec79b293a9257a5955d3337a59ea9f10b3fcd948517ec4365e422b67b50813347f81345441dc1

  • SSDEEP

    1536:sY2GmbO6afLN1IylGzV6/+CiHgRqL6Ihw:sYZmy6aR1xlGzV6GXL6cw

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\facad88d55740654dc9a67a5e052bc04a2a35a64956071bdaed0ad171f251b42.exe
    "C:\Users\Admin\AppData\Local\Temp\facad88d55740654dc9a67a5e052bc04a2a35a64956071bdaed0ad171f251b42.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1692
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\smlx.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1572
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\smlx.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:5016
    • 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:4728
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2220
    • 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:4528
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4484
    • 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:4120
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1648
    • 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:824
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3512
    • 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:380
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2676
    • 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:2732
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4716
    • 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:512
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1468
    • 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:3388
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\System32\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2748
    • 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:804
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4892
    • 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:3040
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cmd.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2592
    • 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:4988
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1936
    • 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:4024
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\ftp.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:368
    • 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:4608
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1892
    • 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:4212
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\wscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4816
    • 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:4276
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:4220
    • 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:696
    • C:\Windows\SysWOW64\icacls.exe
      icacls.exe "C:\Windows\SysWOW64\cscript.exe" /grant SYSTEM:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3772

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\smlx.exe
    Filesize

    72KB

    MD5

    31620df922955bc7ac7989e4a7fde6e0

    SHA1

    17a4f735cf75dbf35d7e110221711b7378d0ca1e

    SHA256

    facad88d55740654dc9a67a5e052bc04a2a35a64956071bdaed0ad171f251b42

    SHA512

    a56e78860f49a9ecb1f11334a83b8399865a313c769f9161acaec79b293a9257a5955d3337a59ea9f10b3fcd948517ec4365e422b67b50813347f81345441dc1

  • memory/368-161-0x0000000000000000-mapping.dmp
  • memory/380-146-0x0000000000000000-mapping.dmp
  • memory/512-150-0x0000000000000000-mapping.dmp
  • memory/696-168-0x0000000000000000-mapping.dmp
  • memory/804-154-0x0000000000000000-mapping.dmp
  • memory/824-144-0x0000000000000000-mapping.dmp
  • memory/1468-151-0x0000000000000000-mapping.dmp
  • memory/1572-135-0x0000000000000000-mapping.dmp
  • memory/1648-143-0x0000000000000000-mapping.dmp
  • memory/1892-163-0x0000000000000000-mapping.dmp
  • memory/1936-159-0x0000000000000000-mapping.dmp
  • memory/2220-139-0x0000000000000000-mapping.dmp
  • memory/2592-157-0x0000000000000000-mapping.dmp
  • memory/2676-147-0x0000000000000000-mapping.dmp
  • memory/2732-148-0x0000000000000000-mapping.dmp
  • memory/2748-153-0x0000000000000000-mapping.dmp
  • memory/3040-156-0x0000000000000000-mapping.dmp
  • memory/3388-152-0x0000000000000000-mapping.dmp
  • memory/3512-145-0x0000000000000000-mapping.dmp
  • memory/3772-169-0x0000000000000000-mapping.dmp
  • memory/4024-160-0x0000000000000000-mapping.dmp
  • memory/4120-142-0x0000000000000000-mapping.dmp
  • memory/4212-164-0x0000000000000000-mapping.dmp
  • memory/4220-167-0x0000000000000000-mapping.dmp
  • memory/4276-166-0x0000000000000000-mapping.dmp
  • memory/4484-141-0x0000000000000000-mapping.dmp
  • memory/4528-140-0x0000000000000000-mapping.dmp
  • memory/4608-162-0x0000000000000000-mapping.dmp
  • memory/4716-149-0x0000000000000000-mapping.dmp
  • memory/4728-138-0x0000000000000000-mapping.dmp
  • memory/4816-165-0x0000000000000000-mapping.dmp
  • memory/4892-155-0x0000000000000000-mapping.dmp
  • memory/4988-158-0x0000000000000000-mapping.dmp
  • memory/5016-137-0x0000000000000000-mapping.dmp