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Analysis

  • max time kernel
    301s
  • max time network
    292s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/09/2022, 11:52

General

  • Target

    2.exe

  • Size

    1.3MB

  • MD5

    5110f6802a9e7f1eaba4dd916f80b2a0

  • SHA1

    4c3b319e1f68cbde0991d352a9156b1932264573

  • SHA256

    50b2b6803b44585b6b2b504af9b0102788c7195c97fc61ff3c1a14747de41113

  • SHA512

    ab25bb827c7299e4823595a1b6e7d3a2a2ade89a4485549d68c1e24644cdc6e015a0dff4e1cb5674a66aff22c1988aebc3253c3b786861f4c03c8006f5d2c848

  • SSDEEP

    24576:qDv3/Mg+ReqnEHiwf29hq6ik68o62xzdJ8A52QqW7I2LOQSQ33R0Z:qERPwf2WZ18o62xzv8VmF

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2.exe
    "C:\Users\Admin\AppData\Local\Temp\2.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN Cache-S-21-2946144819-3e21f723 /TR "C:\Users\Admin\AppData\Local\cache\MoUSO.exe"
      2⤵
      • Creates scheduled task(s)
      PID:4632
  • C:\Users\Admin\AppData\Local\cache\MoUSO.exe
    C:\Users\Admin\AppData\Local\cache\MoUSO.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    PID:716

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\cache\MoUSO.exe

    Filesize

    1.3MB

    MD5

    5110f6802a9e7f1eaba4dd916f80b2a0

    SHA1

    4c3b319e1f68cbde0991d352a9156b1932264573

    SHA256

    50b2b6803b44585b6b2b504af9b0102788c7195c97fc61ff3c1a14747de41113

    SHA512

    ab25bb827c7299e4823595a1b6e7d3a2a2ade89a4485549d68c1e24644cdc6e015a0dff4e1cb5674a66aff22c1988aebc3253c3b786861f4c03c8006f5d2c848

  • C:\Users\Admin\AppData\Local\cache\MoUSO.exe

    Filesize

    1.3MB

    MD5

    5110f6802a9e7f1eaba4dd916f80b2a0

    SHA1

    4c3b319e1f68cbde0991d352a9156b1932264573

    SHA256

    50b2b6803b44585b6b2b504af9b0102788c7195c97fc61ff3c1a14747de41113

    SHA512

    ab25bb827c7299e4823595a1b6e7d3a2a2ade89a4485549d68c1e24644cdc6e015a0dff4e1cb5674a66aff22c1988aebc3253c3b786861f4c03c8006f5d2c848

  • memory/688-132-0x0000000000700000-0x0000000000A72000-memory.dmp

    Filesize

    3.4MB

  • memory/688-133-0x0000000077150000-0x00000000772F3000-memory.dmp

    Filesize

    1.6MB

  • memory/688-134-0x0000000000700000-0x0000000000A72000-memory.dmp

    Filesize

    3.4MB

  • memory/688-136-0x0000000000700000-0x0000000000A72000-memory.dmp

    Filesize

    3.4MB

  • memory/688-137-0x0000000077150000-0x00000000772F3000-memory.dmp

    Filesize

    1.6MB

  • memory/716-140-0x0000000000F30000-0x00000000012A2000-memory.dmp

    Filesize

    3.4MB

  • memory/716-141-0x0000000077150000-0x00000000772F3000-memory.dmp

    Filesize

    1.6MB

  • memory/716-142-0x0000000000F30000-0x00000000012A2000-memory.dmp

    Filesize

    3.4MB