Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/12/2022, 00:59

General

  • Target
    file.exe
  • Size 222KB
  • Sample221225-bb3hwsah63
  • SHA256 b606df43759b25e1300a9042370170e20f3f126aba31673b8d952fc11397c04c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetThreadContext 2 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
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2420
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2216
  • C:\Users\Admin\AppData\Roaming\wuvgjfj
    C:\Users\Admin\AppData\Roaming\wuvgjfj
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3288
    • C:\Users\Admin\AppData\Roaming\wuvgjfj
      C:\Users\Admin\AppData\Roaming\wuvgjfj
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:3992

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        wuvgjfj

        • Path C:\Users\Admin\AppData\Roaming\wuvgjfj
        • Size 222KB
        • SHA256 b606df43759b25e1300a9042370170e20f3f126aba31673b8d952fc11397c04c
        • MD5 SHA1 SHA512 SSDEEP

        wuvgjfj

        • Path C:\Users\Admin\AppData\Roaming\wuvgjfj
        • Size 222KB
        • SHA256 b606df43759b25e1300a9042370170e20f3f126aba31673b8d952fc11397c04c
        • MD5 SHA1 SHA512 SSDEEP

        wuvgjfj

        • Path C:\Users\Admin\AppData\Roaming\wuvgjfj
        • Size 222KB
        • SHA256 b606df43759b25e1300a9042370170e20f3f126aba31673b8d952fc11397c04c
        • MD5 SHA1 SHA512 SSDEEP

        memory/388-146-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-184-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-191-0x0000000006EB0000-0x0000000006EC0000-memory.dmp

        memory/388-138-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-139-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-140-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-141-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-142-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-143-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-144-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-145-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-190-0x00000000022A0000-0x00000000022B0000-memory.dmp

        memory/388-147-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-148-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-149-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-150-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-151-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-152-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-154-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-155-0x00000000022B0000-0x00000000022C0000-memory.dmp

        memory/388-153-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-156-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-157-0x0000000006FA0000-0x0000000006FB0000-memory.dmp

        memory/388-158-0x0000000006FA0000-0x0000000006FB0000-memory.dmp

        memory/388-159-0x0000000006FA0000-0x0000000006FB0000-memory.dmp

        memory/388-189-0x0000000006EB0000-0x0000000006EC0000-memory.dmp

        memory/388-188-0x00000000022A0000-0x00000000022B0000-memory.dmp

        memory/388-181-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-187-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-186-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-185-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-167-0x0000000006FA0000-0x0000000006FB0000-memory.dmp

        memory/388-168-0x0000000006FA0000-0x0000000006FB0000-memory.dmp

        memory/388-169-0x0000000006FA0000-0x0000000006FB0000-memory.dmp

        memory/388-183-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-171-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-172-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-173-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-174-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-175-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-176-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-177-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-178-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-179-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-180-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/388-182-0x00000000022C0000-0x00000000022D0000-memory.dmp

        memory/2216-133-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2216-136-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2216-137-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2420-134-0x000000000072D000-0x000000000073D000-memory.dmp

        memory/2420-135-0x00000000005E0000-0x00000000005E9000-memory.dmp

        memory/3288-165-0x000000000050D000-0x000000000051D000-memory.dmp

        memory/3992-170-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/3992-166-0x0000000000400000-0x0000000000409000-memory.dmp