Analysis

  • max time kernel
    152s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    24/01/2022, 05:37

General

  • Target
    9290373428ffab670e347d1b0f52ceb3.exe
  • Size 250KB
  • Sample220124-ga6f2schgm
  • SHA256 1e061432a06c9e4935cd837118e5d68d79ec6c6bbdddcc40d8682e50db7344fa
  • 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.

  • Deletes itself 1 IoCs
  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9290373428ffab670e347d1b0f52ceb3.exe
    "C:\Users\Admin\AppData\Local\Temp\9290373428ffab670e347d1b0f52ceb3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\9290373428ffab670e347d1b0f52ceb3.exe
      "C:\Users\Admin\AppData\Local\Temp\9290373428ffab670e347d1b0f52ceb3.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:520

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/520-54-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/520-56-0x0000000076C61000-0x0000000076C63000-memory.dmp

        memory/520-58-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/1404-59-0x0000000002730000-0x0000000002746000-memory.dmp

        memory/1776-55-0x0000000000020000-0x0000000000028000-memory.dmp

        memory/1776-57-0x0000000000030000-0x0000000000039000-memory.dmp