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Analysis

  • max time kernel
    45s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    31/03/2023, 21:34

General

  • Target

    RUT V3.exe

  • Size

    10.6MB

  • MD5

    a77c3c4678f20357d92bf98a5aa8979d

  • SHA1

    1c1dbc0b54b20844e0b2ed1f4877bdcd6e062081

  • SHA256

    5db7e3cba3a56ea7265ac824f5b3bd64853e42c4fa9eb8a5e706bcad5acdff0e

  • SHA512

    d896a03e3d3fc4f28cc07b718e289350b87fbd896bdf3fd487bfb3686afe4c35dd87cbe519cdb9b352c5426ae5c17733f106b8c1a7176a8e5cf85597b6af35f8

  • SSDEEP

    196608:2tz+SDWS8v80ix2Wa88Vb6FN20vmtmeZfev0O1m1kc6knjeaOPYhCFK/WyoZ:kcv8F2Wa8ukNeZmcORc9n3rwK/BoZ

Malware Config

Signatures

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

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RUT V3.exe
    "C:\Users\Admin\AppData\Local\Temp\RUT V3.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2028 -s 356
      2⤵
      • Program crash
      PID:1328

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2028-54-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB

  • memory/2028-55-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB

  • memory/2028-56-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB

  • memory/2028-57-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB

  • memory/2028-58-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB

  • memory/2028-59-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB

  • memory/2028-60-0x0000000000190000-0x0000000000191000-memory.dmp

    Filesize

    4KB

  • memory/2028-262-0x0000000000110000-0x000000000011A000-memory.dmp

    Filesize

    40KB

  • memory/2028-263-0x0000000000110000-0x000000000011A000-memory.dmp

    Filesize

    40KB

  • memory/2028-264-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB

  • memory/2028-267-0x0000000000110000-0x000000000011A000-memory.dmp

    Filesize

    40KB

  • memory/2028-268-0x0000000000110000-0x000000000011A000-memory.dmp

    Filesize

    40KB

  • memory/2028-273-0x000000013F380000-0x0000000140EA4000-memory.dmp

    Filesize

    27.1MB