Analysis

  • max time kernel
    150s
  • max time network
    170s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/09/2026, 17:20

General

  • Target
    msvcr100.dll
  • Size 169.4MB
  • Sample260916-vwpbjstble
  • SHA256 84610161cde8f1b2aa9b30def97f81428c33f34d0b856f8ac2d2c4bf99d66b74
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
3/10

Malware Config

Signatures

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2960
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\msvcr100.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5168
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c powershell "Get-WmiObject Win32_VideoController | Select-Object -ExpandProperty CurrentRefreshRate"
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3712
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          powershell "Get-WmiObject Win32_VideoController | Select-Object -ExpandProperty CurrentRefreshRate"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3356
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5168 -s 632
        3⤵
        • Program crash
        PID:1988
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5168 -s 452
        3⤵
        • Program crash
        PID:3856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5168 -ip 5168
    1⤵
      PID:788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5168 -ip 5168
      1⤵
        PID:2940
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k GPSvcGroup
        1⤵
          PID:4436

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              memory/3356-5-0x0000000004DD0000-0x0000000004DF2000-memory.dmp

              memory/3356-12-0x0000000005B70000-0x0000000005B8E000-memory.dmp

              memory/3356-2-0x0000000002340000-0x0000000002376000-memory.dmp

              memory/3356-3-0x0000000073790000-0x0000000073F4C000-memory.dmp

              memory/3356-4-0x0000000004ED0000-0x000000000551A000-memory.dmp

              memory/3356-8-0x0000000005590000-0x00000000055F6000-memory.dmp

              memory/3356-7-0x0000000073790000-0x0000000073F4C000-memory.dmp

              memory/3356-6-0x0000000005520000-0x0000000005586000-memory.dmp

              memory/3356-1-0x00000000737A2000-0x00000000737A3000-memory.dmp

              memory/3356-20-0x0000000073790000-0x0000000073F4C000-memory.dmp

              memory/3356-9-0x00000000056A0000-0x00000000059FB000-memory.dmp

              memory/3356-13-0x0000000005BA0000-0x0000000005BEC000-memory.dmp

              memory/3356-14-0x0000000006D50000-0x0000000006DE6000-memory.dmp

              memory/3356-15-0x0000000006090000-0x00000000060AA000-memory.dmp

              memory/3356-16-0x00000000060E0000-0x0000000006102000-memory.dmp

              memory/3356-17-0x00000000073B0000-0x000000000796A000-memory.dmp

              memory/3356-18-0x0000000007FF0000-0x000000000866C000-memory.dmp

              memory/5168-0-0x0000000078AA0000-0x0000000078B5F000-memory.dmp