Analysis

  • max time kernel
    106s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 09:37

General

  • Target

    ed7dc6ad15102dc742658be78b7076f5f8d0b27c64c9c6c80eda8d79dc14c2f9.exe

  • Size

    329KB

  • MD5

    0922b6822bf9de45f4ba68a936557c30

  • SHA1

    a9aba947f9bd21d6e0aa861643e974ab7e54162a

  • SHA256

    ed7dc6ad15102dc742658be78b7076f5f8d0b27c64c9c6c80eda8d79dc14c2f9

  • SHA512

    74bef007a2b7927002f866c942838e23ed65286063b14d2786d90aa21ef3564ee7ac0ebe132e339ad102545e5820395792cd0713d575ff70448a334c61868431

  • SSDEEP

    6144:uqpxvlACym6wGGWFGDwZyoJ3fzBeM6SpktqHQI6mVk8cL3/CzYjsHh:uqjvlA06wLBHAf9eMvHwmVkhL36zYwHh

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Possible privilege escalation attempt 4 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Modifies file permissions 1 TTPs 4 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Maps connected drives based on registry 3 TTPs 3 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 4 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ed7dc6ad15102dc742658be78b7076f5f8d0b27c64c9c6c80eda8d79dc14c2f9.exe
    "C:\Users\Admin\AppData\Local\Temp\ed7dc6ad15102dc742658be78b7076f5f8d0b27c64c9c6c80eda8d79dc14c2f9.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\wshtcpip.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:3516
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:2236
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c takeown /f C:\Windows\SysWOW64\midimap.dll && icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1120
      • C:\Windows\SysWOW64\takeown.exe
        takeown /f C:\Windows\SysWOW64\midimap.dll
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        • Suspicious use of AdjustPrivilegeToken
        PID:4036
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\midimap.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:3480
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:4952

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\ahnmove.bat

      Filesize

      181B

      MD5

      09a1b336263a6be0f75aecb88b71cca5

      SHA1

      59fb1c57ed4b625355d5b9b56de65bea10f4affb

      SHA256

      ff2359eb4e915d7cbfe588571802150d7da1941a47bb73540f0e9e20945e9546

      SHA512

      6d9da08772b2b7b9eabbc69bf9de1017a8cb4688d4dc479d24855ad0162a7cba0d18e78b72175a481e278448b0f77f05f1c03c7fdb6c7ac75889591256b387ea

    • memory/936-136-0x0000000000000000-mapping.dmp

    • memory/1120-139-0x0000000000000000-mapping.dmp

    • memory/2236-138-0x0000000000000000-mapping.dmp

    • memory/2324-135-0x0000000000650000-0x0000000000670000-memory.dmp

      Filesize

      128KB

    • memory/2324-132-0x0000000001000000-0x0000000001168000-memory.dmp

      Filesize

      1.4MB

    • memory/2324-134-0x0000000001000000-0x0000000001168000-memory.dmp

      Filesize

      1.4MB

    • memory/2324-143-0x0000000001000000-0x0000000001168000-memory.dmp

      Filesize

      1.4MB

    • memory/2324-133-0x0000000000650000-0x0000000000670000-memory.dmp

      Filesize

      128KB

    • memory/3480-141-0x0000000000000000-mapping.dmp

    • memory/3516-137-0x0000000000000000-mapping.dmp

    • memory/4036-140-0x0000000000000000-mapping.dmp

    • memory/4952-142-0x0000000000000000-mapping.dmp