Analysis

  • max time kernel
    145s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2023 04:52

General

  • Target

    a0ae17fec9cc2599805480adfca3ab1f9db4c100c25d5939f5585ce76cc2b230.exe

  • Size

    3.4MB

  • MD5

    b5c5f6531aaa91b3ecfd8202ba41f38b

  • SHA1

    d102174f6ebeb420a5171912649b50516728f17d

  • SHA256

    a0ae17fec9cc2599805480adfca3ab1f9db4c100c25d5939f5585ce76cc2b230

  • SHA512

    ab67e0dc3ae6b3d60c314bbf479d50fec6360d3d0c3d645789d3f3b641f3b55d6f65b21c9f57b735caa7bca35ffc6c999f6b9ad2afb6715db57603cbfd42d028

  • SSDEEP

    98304:ZJuR21C/yIq/dhl/O4i/TksjdFwvhzjMSwRVq:Z8D/yIqlhlW4i/QsnwZzjMSeVq

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Modifies file permissions 1 TTPs 3 IoCs
  • UPX packed file 12 IoCs

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

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0ae17fec9cc2599805480adfca3ab1f9db4c100c25d5939f5585ce76cc2b230.exe
    "C:\Users\Admin\AppData\Local\Temp\a0ae17fec9cc2599805480adfca3ab1f9db4c100c25d5939f5585ce76cc2b230.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\System32\icacls.exe" "C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9" /inheritance:e /deny "*S-1-1-0:(R,REA,RA,RD)"
        3⤵
        • Modifies file permissions
        PID:704
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\System32\icacls.exe" "C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9" /inheritance:e /deny "*S-1-5-7:(R,REA,RA,RD)"
        3⤵
        • Modifies file permissions
        PID:788
      • C:\Windows\SysWOW64\icacls.exe
        "C:\Windows\System32\icacls.exe" "C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9" /inheritance:e /deny "admin:(R,REA,RA,RD)"
        3⤵
        • Modifies file permissions
        PID:1716
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /CREATE /TN "WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9" /TR "C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe" /SC MINUTE
        3⤵
        • Creates scheduled task(s)
        PID:4724
      • C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe
        "C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe" "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Checks whether UAC is enabled
        PID:2396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 308
      2⤵
      • Program crash
      PID:3648
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4700 -ip 4700
    1⤵
      PID:1268
    • C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe
      C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Checks whether UAC is enabled
      PID:4024

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    File Permissions Modification

    1
    T1222

    Discovery

    Query Registry

    2
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe
      Filesize

      452.8MB

      MD5

      997c8d643d6301b4c172f1112f6eafab

      SHA1

      5ca585233510eb332cb37bc243d4d1c5d2105ef2

      SHA256

      062f474f2fbf253fa298fd4d6b22b6a2a53a2cfcf3fc35e50c6506689ba48853

      SHA512

      c1f487fac899413b88c8c64eca12387b87b269d479c0c46b291a6d3469dbcebaca0e9492d47c141b8cd7d40fa4442aa37b8574dcd3b432ebf5b63dd433fe873c

    • C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe
      Filesize

      566.4MB

      MD5

      cc4bc4e88fdd7c7540b6daa5ee11432c

      SHA1

      1befa472bf98399ac8309e15e0169c89fca4d42a

      SHA256

      810f694c109d46b02d79f0d1cca8a0f3dd183fd2034374ef41ebe5cb3d3ecd9d

      SHA512

      5b604cb6eb4e03830ea86b26ce9536c6d2f3fd6ca5f4db3dbd6169fb7fb6ed7989d96b6085c5df6c1217c3a0a8804c6e36719c5912d3e85c93ee1ba77aa44236

    • C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe
      Filesize

      599.5MB

      MD5

      b3665b54b6b3b809b0eb2339805deb83

      SHA1

      678b4d240a8ad59266c112f74fef188b796a1092

      SHA256

      8b6e73a3633bdc83c4f274f0806f50bd81a9abfc668a7fa7f7782aa9c6f10eb7

      SHA512

      2b32df26fa221c3aa1ddf17c042d697ae930dc2bd911e6f7b6ad88f70d89b778a91b92ad2351ea0a961890695e3f802200280fc2ccd09a3de9e92b89189b399d

    • C:\ProgramData\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9\WindowsHolographicDevicesMozilla-1de4eec8-1241-4177-a864-e594e8d1fb38-type9.3.8.9.exe
      Filesize

      518.1MB

      MD5

      210f4202756cdd386058cf83edb7b1ae

      SHA1

      367b61b6f47ac260758d10d48fd3b4a68f452457

      SHA256

      f0bb2a2f3f642b1d224843f466a5e1c77f9961466cf01d436ce99cf998f1956d

      SHA512

      a8b6acec1bd38c5582013cf14e6a0ac41f168a3e1b8aadecccd5ad3663e3552fc589fddca88eb06f80c486b51c606fe3400863d3adbb7d13f7f3aa6da7b13c26

    • memory/2396-154-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/2396-157-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/2396-156-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/2396-155-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/4024-159-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/4024-160-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/4024-161-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/4024-162-0x00007FF6C49D0000-0x00007FF6C4EEF000-memory.dmp
      Filesize

      5.1MB

    • memory/4512-139-0x0000000004E50000-0x0000000004EE2000-memory.dmp
      Filesize

      584KB

    • memory/4512-138-0x0000000005510000-0x0000000005AB4000-memory.dmp
      Filesize

      5.6MB

    • memory/4512-140-0x0000000004E40000-0x0000000004E4A000-memory.dmp
      Filesize

      40KB

    • memory/4512-144-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4512-143-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4512-142-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB

    • memory/4512-133-0x0000000000500000-0x000000000085C000-memory.dmp
      Filesize

      3.4MB

    • memory/4512-141-0x0000000005010000-0x0000000005020000-memory.dmp
      Filesize

      64KB