Analysis

  • max time kernel
    151s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11/11/2020, 16:24

General

  • Target
    b427b9f0d43526aaecdbec89c326b4a6.exe
  • Size 99KB
  • Sample201111-2dcvp3bn4e
  • SHA256 2832bc292000609b8588c686aa05adb5995b0a790121b9c4d832d5cbe2a00047
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://smk10ddde.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 708 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b427b9f0d43526aaecdbec89c326b4a6.exe
    "C:\Users\Admin\AppData\Local\Temp\b427b9f0d43526aaecdbec89c326b4a6.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1096

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1096-0-0x000000000310B000-0x000000000310C000-memory.dmp

        memory/1096-1-0x0000000004930000-0x0000000004941000-memory.dmp

        memory/1256-3-0x0000000002F80000-0x0000000002F95000-memory.dmp