Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 09:41

General

  • Target

    ead6499fa53c8a0fc64f87f5e9c91666d62f614578b2bd14ca3ad50036ae8ffa.exe

  • Size

    36KB

  • MD5

    0cea6d4f5ce1e881f40134f1acda53a1

  • SHA1

    cf32b85dda9346332772df2f319aa10eea866910

  • SHA256

    ead6499fa53c8a0fc64f87f5e9c91666d62f614578b2bd14ca3ad50036ae8ffa

  • SHA512

    078eff6c63fd680b6d4f65208f3800a689d9fff5310a09c3ec94c7e9426d643e385fde5973aa34baf8367918bab403f7c606f040442b3e0a87c7984bdf17b2a6

  • SSDEEP

    384:/T+q2ls0tFBXONdDCzQyX+rjO6rmZjYwD92Zsx8fE2OcBws3/kCf5cnuGBAecEeu:/12lftFU9yX++RjXZm/tVcuGtWAktQ

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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ead6499fa53c8a0fc64f87f5e9c91666d62f614578b2bd14ca3ad50036ae8ffa.exe
    "C:\Users\Admin\AppData\Local\Temp\ead6499fa53c8a0fc64f87f5e9c91666d62f614578b2bd14ca3ad50036ae8ffa.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\SysWOW64\takeown.exe
      C:\Windows\system32\takeown.exe /f "C:\Windows\system32\aqnzx.exe"
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:2180
    • C:\Windows\SysWOW64\icacls.exe
      C:\Windows\system32\icacls.exe "C:\Windows\system32\aqnzx.exe" /grant Users:F
      2⤵
      • Possible privilege escalation attempt
      • Modifies file permissions
      PID:3356

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

Loading Replay Monitor...

Downloads

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

    36KB

    MD5

    0cea6d4f5ce1e881f40134f1acda53a1

    SHA1

    cf32b85dda9346332772df2f319aa10eea866910

    SHA256

    ead6499fa53c8a0fc64f87f5e9c91666d62f614578b2bd14ca3ad50036ae8ffa

    SHA512

    078eff6c63fd680b6d4f65208f3800a689d9fff5310a09c3ec94c7e9426d643e385fde5973aa34baf8367918bab403f7c606f040442b3e0a87c7984bdf17b2a6

  • memory/2180-134-0x0000000000000000-mapping.dmp
  • memory/3356-135-0x0000000000000000-mapping.dmp