Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/08/2026, 14:06

General

  • Target
    d7c8216c0ed65314847f0d5c050873cfb344c4a0e9e26f8c8daabcb66ebd6012.exe
  • Size 3.1MB
  • Sample260823-rertkastfs
  • SHA256 d7c8216c0ed65314847f0d5c050873cfb344c4a0e9e26f8c8daabcb66ebd6012
  • 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.

  • Themida packer 5 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 3 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7c8216c0ed65314847f0d5c050873cfb344c4a0e9e26f8c8daabcb66ebd6012.exe
    "C:\Users\Admin\AppData\Local\Temp\d7c8216c0ed65314847f0d5c050873cfb344c4a0e9e26f8c8daabcb66ebd6012.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    PID:4140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 480
      2⤵
      • Program crash
      PID:4704
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 492
      2⤵
      • Program crash
      PID:520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 520
      2⤵
      • Program crash
      PID:560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4140 -ip 4140
    1⤵
      PID:3048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4140 -ip 4140
      1⤵
        PID:4092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4140 -ip 4140
        1⤵
          PID:4780

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              memory/4140-0-0x0000000000400000-0x0000000000CEB000-memory.dmp

              memory/4140-1-0x0000000000400000-0x0000000000CEB000-memory.dmp

              memory/4140-2-0x0000000000400000-0x0000000000CEB000-memory.dmp

              memory/4140-3-0x0000000000400000-0x0000000000CEB000-memory.dmp

              memory/4140-4-0x0000000000400000-0x0000000000CEB000-memory.dmp