Analysis

  • max time kernel
    167s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    09/03/2022, 04:26

General

  • Target
    d9a418a4a8e02683c79daeaadd464595.exe
  • Size 287KB
  • Sample220309-e2jegsddf5
  • SHA256 954fdefd2dd5cf44876783f51cf35edef3fb790ed3ba777c1bfafb13680a1ccc
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-data-coin-11.com/

  • http://file-coin-host-12.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of SetThreadContext 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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d9a418a4a8e02683c79daeaadd464595.exe
    "C:\Users\Admin\AppData\Local\Temp\d9a418a4a8e02683c79daeaadd464595.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Users\Admin\AppData\Local\Temp\d9a418a4a8e02683c79daeaadd464595.exe
      "C:\Users\Admin\AppData\Local\Temp\d9a418a4a8e02683c79daeaadd464595.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1940

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1940-131-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/1940-134-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2296-130-0x00000000006C8000-0x00000000006D9000-memory.dmp

        memory/2296-132-0x00000000006C8000-0x00000000006D9000-memory.dmp

        memory/2296-133-0x0000000000640000-0x0000000000649000-memory.dmp

        memory/2436-135-0x0000000002760000-0x0000000002776000-memory.dmp