Analysis

  • max time kernel
    169s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2022, 09:38

General

  • Target
    file.exe
  • Size 316KB
  • Sample221122-ll2pfscd21
  • SHA256 9c0e0ae8eefcaf100e64e3e27c5f3fa88298ddccdf0a4e8437d8ad3f322e40b7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Smokeloader packer 1 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
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 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:4788
  • C:\Users\Admin\AppData\Roaming\visjrvr
    C:\Users\Admin\AppData\Roaming\visjrvr
    1⤵
    • Executes dropped EXE
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:3696

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        visjrvr

        • Path C:\Users\Admin\AppData\Roaming\visjrvr
        • Size 316KB
        • SHA256 9c0e0ae8eefcaf100e64e3e27c5f3fa88298ddccdf0a4e8437d8ad3f322e40b7
        • MD5 SHA1 SHA512 SSDEEP

        visjrvr

        • Path C:\Users\Admin\AppData\Roaming\visjrvr
        • Size 316KB
        • SHA256 9c0e0ae8eefcaf100e64e3e27c5f3fa88298ddccdf0a4e8437d8ad3f322e40b7
        • MD5 SHA1 SHA512 SSDEEP

        memory/3696-138-0x00000000006AC000-0x00000000006C1000-memory.dmp

        memory/3696-139-0x0000000000400000-0x0000000000454000-memory.dmp

        memory/3696-140-0x0000000000400000-0x0000000000454000-memory.dmp

        memory/4788-132-0x000000000058C000-0x00000000005A1000-memory.dmp

        memory/4788-133-0x0000000002050000-0x0000000002059000-memory.dmp

        memory/4788-134-0x0000000000400000-0x0000000000454000-memory.dmp

        memory/4788-135-0x0000000000400000-0x0000000000454000-memory.dmp