Analysis

  • max time kernel
    91s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 20:49

General

  • Target

    b64763330975c48192c9bd3627635745c57034ddcc7d65d72d17c083578334a7.exe

  • Size

    40KB

  • MD5

    5d0c9a9af4abc8ad55de64509bd52700

  • SHA1

    38950c4ebed35808c47f3e336c6c025c341f1a5f

  • SHA256

    b64763330975c48192c9bd3627635745c57034ddcc7d65d72d17c083578334a7

  • SHA512

    30999e4cec04bf31cdb17c827ffc7c2b48548d07990c466f5b2b00ac02155a0e8a82280a49d67d29aa1285ed7c2584069df3c6cebb1eae83253496c210ce0377

  • SSDEEP

    768:/MLeLHVotmZb12MaNuFNKNlE8PN9wWC3rjALQKkTc+GPB+jJhC4b+l14HvCJDnKm:/MUVBb12PsqNlE8PN9wWC3rjALQKkTcx

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\b64763330975c48192c9bd3627635745c57034ddcc7d65d72d17c083578334a7.exe
    "C:\Users\Admin\AppData\Local\Temp\b64763330975c48192c9bd3627635745c57034ddcc7d65d72d17c083578334a7.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4332
    • 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:1516
    • 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:4988
    • 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:4976
    • 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:5104
    • 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:4936
    • 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:4896
    • 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:4928
    • 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:4960

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Replay Monitor

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Downloads

  • memory/1516-134-0x0000000000000000-mapping.dmp
  • memory/4896-139-0x0000000000000000-mapping.dmp
  • memory/4928-140-0x0000000000000000-mapping.dmp
  • memory/4936-138-0x0000000000000000-mapping.dmp
  • memory/4960-141-0x0000000000000000-mapping.dmp
  • memory/4976-136-0x0000000000000000-mapping.dmp
  • memory/4988-135-0x0000000000000000-mapping.dmp
  • memory/5104-137-0x0000000000000000-mapping.dmp