Analysis

  • max time kernel
    156s
  • max time network
    215s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/11/2022, 21:57

General

  • Target
    file.exe
  • Size 185KB
  • Sample221130-1tyebshd28
  • SHA256 3066af120ebb82f4ecc42f5e6afb19da153d4ce8929b71f387ec9f743692c37c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 2 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2024
  • C:\Users\Admin\AppData\Roaming\brhfwgs
    C:\Users\Admin\AppData\Roaming\brhfwgs
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:2808

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        brhfwgs

        • Path C:\Users\Admin\AppData\Roaming\brhfwgs
        • Size 185KB
        • SHA256 3066af120ebb82f4ecc42f5e6afb19da153d4ce8929b71f387ec9f743692c37c
        • MD5 SHA1 SHA512 SSDEEP

        brhfwgs

        • Path C:\Users\Admin\AppData\Roaming\brhfwgs
        • Size 185KB
        • SHA256 3066af120ebb82f4ecc42f5e6afb19da153d4ce8929b71f387ec9f743692c37c
        • MD5 SHA1 SHA512 SSDEEP

        memory/2024-133-0x00000000005B0000-0x00000000005B9000-memory.dmp

        memory/2024-132-0x00000000006DD000-0x00000000006ED000-memory.dmp

        memory/2024-134-0x0000000000400000-0x0000000000464000-memory.dmp

        memory/2024-135-0x00000000006DD000-0x00000000006ED000-memory.dmp

        memory/2024-136-0x00000000005B0000-0x00000000005B9000-memory.dmp

        memory/2024-137-0x0000000000400000-0x0000000000464000-memory.dmp

        memory/2808-140-0x000000000066D000-0x000000000067E000-memory.dmp

        memory/2808-141-0x0000000000400000-0x0000000000464000-memory.dmp

        memory/2808-142-0x0000000000400000-0x0000000000464000-memory.dmp