Analysis

  • max time kernel
    152s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07/10/2023, 03:32

General

  • Target
    SecuriteInfo.com.Win32.BotX-gen.6122.12428.exe
  • Size 274KB
  • Sample231007-d3l2bsbc45
  • SHA256 fed65d2ec645b2a01ea7ba68810632bcad754687aa921be620358403ab06f7ab
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • up3

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://host-file-host6.com/

  • http://host-host-file8.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: GetForegroundWindowSpam 1 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\SecuriteInfo.com.Win32.BotX-gen.6122.12428.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.6122.12428.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.6122.12428.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BotX-gen.6122.12428.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2132

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1200-8-0x00000000029E0000-0x00000000029F6000-memory.dmp

        memory/1328-1-0x0000000002330000-0x0000000002430000-memory.dmp

        memory/1328-3-0x0000000000220000-0x0000000000229000-memory.dmp

        memory/2132-5-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2132-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/2132-6-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2132-7-0x0000000000400000-0x0000000000409000-memory.dmp

        memory/2132-9-0x0000000000400000-0x0000000000409000-memory.dmp