Analysis

  • max time kernel
    288s
  • max time network
    313s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 07:32

General

  • Target

    9111164d4687ab96e7a9cb79ee9620a825403827531e3f045fe9728d08759851.exe

  • Size

    40KB

  • MD5

    1fc4f7c736f8b793657c5c9f368cfdd0

  • SHA1

    bc39639ad5c168d324e0a097310e554e911c6fc6

  • SHA256

    9111164d4687ab96e7a9cb79ee9620a825403827531e3f045fe9728d08759851

  • SHA512

    c73bd079ac5104c0596f2f5e5fda0851a79288beb8e2b6d795451a1dfb935ab797b6c1068bf41a6eab097dd9d1c90b0a1c61ff77c9f738b1c15b8bb591243ba2

  • SSDEEP

    768:/+3ruMn9xB/9ZaY5z0YtI6je50Gg0I3wqgNchNk:/+3zLBX/5FI6je50Gg0Ifg2zk

Score
8/10

Malware Config

Signatures

  • Possible privilege escalation attempt 8 IoCs
  • Modifies file permissions 1 TTPs 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9111164d4687ab96e7a9cb79ee9620a825403827531e3f045fe9728d08759851.exe
    "C:\Users\Admin\AppData\Local\Temp\9111164d4687ab96e7a9cb79ee9620a825403827531e3f045fe9728d08759851.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3708
    • 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:1048
    • 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:3148
    • 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:1540
    • 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:3004
    • 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:3164
    • 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:3544
    • 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:3984
    • 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:4548

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Replay Monitor

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Downloads

  • memory/1048-135-0x0000000000000000-mapping.dmp
  • memory/1540-137-0x0000000000000000-mapping.dmp
  • memory/3004-140-0x0000000000000000-mapping.dmp
  • memory/3148-136-0x0000000000000000-mapping.dmp
  • memory/3164-141-0x0000000000000000-mapping.dmp
  • memory/3544-142-0x0000000000000000-mapping.dmp
  • memory/3984-139-0x0000000000000000-mapping.dmp
  • memory/4548-138-0x0000000000000000-mapping.dmp