Analysis

  • max time kernel
    151s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    17/11/2020, 12:13

General

  • Target
    8351f8d6706e5fd316edb6ac296df3b6.exe
  • Size 160KB
  • Sample201117-4kh1fedydx
  • SHA256 40e7d0c9f2e846c55ab450848c817c58c1423ec2f9af57595fc8a829af63fa63
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://vot552.com/upload/

  • http://offce221.com/upload/

  • http://lavanda.best/upload/

  • http://kinolive.best/upload/

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 760 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\8351f8d6706e5fd316edb6ac296df3b6.exe
    "C:\Users\Admin\AppData\Local\Temp\8351f8d6706e5fd316edb6ac296df3b6.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1808

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1244-3-0x0000000002BA0000-0x0000000002BB6000-memory.dmp

        memory/1808-0-0x00000000030CB000-0x00000000030CC000-memory.dmp

        memory/1808-1-0x00000000048D0000-0x00000000048E1000-memory.dmp