Analysis

  • max time kernel
    44s
  • max time network
    50s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2022 20:22

General

  • Target

    b05e74890ce4e340c6d0b6f156e001d15583d265c69021ea4fdf47dd9e718c35.exe

  • Size

    40KB

  • MD5

    a3629e1ac9a406713d4301202e559d00

  • SHA1

    38504d98f976fa87da12a9c0165f5e37dc33611a

  • SHA256

    b05e74890ce4e340c6d0b6f156e001d15583d265c69021ea4fdf47dd9e718c35

  • SHA512

    76ae82802fc763c2991e2d41e85934ff13dacf81fe19c82051cdd70c99e66ab590f540664f8c9342312cde6c02b11551b3d9f2f37a85d01ae9bfa48463939540

  • SSDEEP

    768:/o8zm5DKduqIO6XFUztOjGVYTxtmBUASDmyTgB97:/54sCxtEyTgB97

Malware Config

Signatures

  • Possible privilege escalation attempt 2 IoCs
  • Modifies file permissions 1 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b05e74890ce4e340c6d0b6f156e001d15583d265c69021ea4fdf47dd9e718c35.exe
    "C:\Users\Admin\AppData\Local\Temp\b05e74890ce4e340c6d0b6f156e001d15583d265c69021ea4fdf47dd9e718c35.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1464
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\ldqgq.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1696
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\ldqgq.exe" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:1472

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Replay Monitor

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Downloads

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

    40KB

    MD5

    a3629e1ac9a406713d4301202e559d00

    SHA1

    38504d98f976fa87da12a9c0165f5e37dc33611a

    SHA256

    b05e74890ce4e340c6d0b6f156e001d15583d265c69021ea4fdf47dd9e718c35

    SHA512

    76ae82802fc763c2991e2d41e85934ff13dacf81fe19c82051cdd70c99e66ab590f540664f8c9342312cde6c02b11551b3d9f2f37a85d01ae9bfa48463939540

  • memory/1472-57-0x0000000000000000-mapping.dmp
  • memory/1696-56-0x0000000000000000-mapping.dmp