Analysis

  • max time kernel
    298s
  • max time network
    294s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-it
  • resource tags

    arch:x64arch:x86image:win11-20260513-itlocale:it-itos:windows11-21h2-x64systemwindows
  • submitted
    22/06/2026, 16:41

General

  • Target
    Samsung HARD Downloader/CommonModule.dll
  • Size 1.5MB
  • Sample260622-t7kxtset7k
  • SHA256 44d33f4dacfc4bac2d56a49194ca4d40bc3e3f72478cd20ed696b1d3f110cc96
  • MD5 SHA1 SHA512 SSDEEP TLSH

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.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 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 WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Samsung HARD Downloader\CommonModule.dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4788
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\Samsung HARD Downloader\CommonModule.dll",#1
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:4948
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 772
        3⤵
        • Program crash
        PID:4496
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 4948
    1⤵
      PID:1748

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4948-0-0x0000000075130000-0x0000000075583000-memory.dmp

          memory/4948-1-0x0000000075020000-0x0000000075059000-memory.dmp

          memory/4948-2-0x0000000003260000-0x0000000003261000-memory.dmp

          memory/4948-3-0x0000000075130000-0x0000000075583000-memory.dmp

          memory/4948-5-0x0000000075020000-0x0000000075059000-memory.dmp