Analysis

  • max time kernel
    170s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-11-2022 17:38

General

  • Target

    79ce89fe8273bd587ed4c56000006e268f7d064042a3a039bb124d39f178d3d0.exe

  • Size

    350KB

  • MD5

    0ad4ba6b364996ffc065163089546840

  • SHA1

    ccd32688216e18476d7415e27c5c5750e2ab7a61

  • SHA256

    79ce89fe8273bd587ed4c56000006e268f7d064042a3a039bb124d39f178d3d0

  • SHA512

    873125a61e46fd520cf2120f13691c560a58326834ab01ab528aeef51afdd1ec003b1ff6f2a59d0126f5011d2921da41744752d12d5f2ec39589ee97780a89cc

  • SSDEEP

    6144:0yXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:03BdQLL4BE93NGVYZX9BukJlwxSJdEm

Malware Config

Signatures

  • Drops file in Drivers directory 2 IoCs
  • Possible privilege escalation attempt 2 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies file permissions 1 TTPs 2 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\79ce89fe8273bd587ed4c56000006e268f7d064042a3a039bb124d39f178d3d0.exe
    "C:\Users\Admin\AppData\Local\Temp\79ce89fe8273bd587ed4c56000006e268f7d064042a3a039bb124d39f178d3d0.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3060
    • 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:1464
      • 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:5080
      • C:\Windows\SysWOW64\icacls.exe
        icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F
        3⤵
        • Possible privilege escalation attempt
        • Modifies file permissions
        PID:4304
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat
      2⤵
        PID:228

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

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

      Filesize

      181B

      MD5

      4f5972406f7e8b6197eccbc813b303dc

      SHA1

      dc65eeb72979485b1ea906e973b159c392c2b89d

      SHA256

      89c5c4b7a688d1e410a0c97bf89157f4f8fb850fce84ebc3c352d1dad2d4f63b

      SHA512

      cd10d79887dd7579baaf5133c10f3531ca00c1b79cbc103d2031218a7009236c46ed154aad9a2cdba1a54c3bd8c927ea6d06d2797ae09a63fb54e74ec183adc4

    • memory/228-137-0x0000000000000000-mapping.dmp

    • memory/1464-134-0x0000000000000000-mapping.dmp

    • memory/3060-132-0x0000000001000000-0x000000000112D000-memory.dmp

      Filesize

      1.2MB

    • memory/3060-133-0x0000000001000000-0x000000000112D000-memory.dmp

      Filesize

      1.2MB

    • memory/3060-139-0x0000000001000000-0x000000000112D000-memory.dmp

      Filesize

      1.2MB

    • memory/4304-136-0x0000000000000000-mapping.dmp

    • memory/5080-135-0x0000000000000000-mapping.dmp