Resubmissions

28/10/2022, 13:04

221028-qa1egafeg79

27/10/2022, 21:10

221027-z1d4laddg89

Analysis

  • max time kernel
    309s
  • max time network
    501s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2022, 13:04

General

  • Target
    da8fbf8e675236a286187d3af658883879e6b1ee74049072e384b604a4ac871b.exe
  • Size 1.7MB
  • Sample221028-qa1egafeg7
  • SHA256 da8fbf8e675236a286187d3af658883879e6b1ee74049072e384b604a4ac871b
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10

Malware Config

Signatures

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da8fbf8e675236a286187d3af658883879e6b1ee74049072e384b604a4ac871b.exe
    "C:\Users\Admin\AppData\Local\Temp\da8fbf8e675236a286187d3af658883879e6b1ee74049072e384b604a4ac871b.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3456
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1188 -s 1288
        3⤵
        • Program crash
        PID:2948
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1188 -ip 1188
    1⤵
      PID:3700

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1188-139-0x0000000000400000-0x0000000000518000-memory.dmp

          memory/3456-132-0x0000000000DE0000-0x0000000000F9E000-memory.dmp

          memory/3456-133-0x0000000005F40000-0x00000000064E4000-memory.dmp

          memory/3456-134-0x0000000005990000-0x0000000005A22000-memory.dmp

          memory/3456-135-0x0000000005950000-0x000000000595A000-memory.dmp

          memory/3456-136-0x0000000007F60000-0x0000000007FFC000-memory.dmp

          memory/3456-137-0x0000000001610000-0x0000000001676000-memory.dmp