Resubmissions

23/09/2026, 17:09

260923-vpcdeafh976

20/09/2026, 18:55

260920-xk1ljsys3p6

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    23/09/2026, 17:09

General

  • Target
    SECURE BYTE.exe
  • Size 2.2MB
  • Sample260923-vpcdeafh97
  • SHA256 21c937338320a58c7724f200cecc44f655e7add14d4b82f98ff81a557c7ec68d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Packer/crypter tool: SecureByte 1 IoCs

    SecureByte: an open-source packer/crypter that encrypts payloads and produces obfuscated executables.

  • 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 use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SECURE BYTE.exe
    "C:\Users\Admin\AppData\Local\Temp\SECURE BYTE.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3744 -s 1980
      2⤵
      • Program crash
      PID:2024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3744 -ip 3744
    1⤵
      PID:4936

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/3744-0-0x0000000000E60000-0x00000000010A4000-memory.dmp

          memory/3744-1-0x0000000006100000-0x00000000066A4000-memory.dmp

          memory/3744-2-0x0000000005A90000-0x0000000005B22000-memory.dmp

          memory/3744-3-0x0000000005C30000-0x0000000005C40000-memory.dmp

          memory/3744-4-0x0000000005C30000-0x0000000005C40000-memory.dmp

          memory/3744-5-0x0000000007500000-0x000000000750A000-memory.dmp