Resubmissions

25/07/2024, 17:18

240725-vvhsdaxama10

25/07/2024, 16:55

240725-vfas8aseml10

Analysis

  • max time kernel
    137s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/07/2024, 17:18

General

  • Target
    76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe
  • Size 327KB
  • Sample240725-vvhsdaxama
  • SHA256 76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • smokeloader

Botnet
  • pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy WMI provider

    The Volume Shadow Copy service is used to manage backups/snapshots.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe
    "C:\Users\Admin\AppData\Local\Temp\76a0620373c5c5378390bfacc4f3a04e31b84a033bd9b551060269c286295aa3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:3804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3804 -s 356
      2⤵
      • Program crash
      PID:3440
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3804 -ip 3804
    1⤵
      PID:3968
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:720
      • C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\POWERPNT.EXE" "C:\Users\Admin\Downloads\RegisterInvoke.pptx" /ou ""
        1⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:2888

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            memory/2888-15-0x00007FFC4FC60000-0x00007FFC4FC70000-memory.dmp

            memory/2888-20-0x00007FFC4FC60000-0x00007FFC4FC70000-memory.dmp

            memory/2888-149-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-29-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-26-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-6-0x00007FFC51FD0000-0x00007FFC51FE0000-memory.dmp

            memory/2888-8-0x00007FFC51FD0000-0x00007FFC51FE0000-memory.dmp

            memory/2888-9-0x00007FFC51FD0000-0x00007FFC51FE0000-memory.dmp

            memory/2888-7-0x00007FFC51FD0000-0x00007FFC51FE0000-memory.dmp

            memory/2888-11-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-10-0x00007FFC91FED000-0x00007FFC91FEE000-memory.dmp

            memory/2888-12-0x00007FFC51FD0000-0x00007FFC51FE0000-memory.dmp

            memory/2888-13-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-14-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-27-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-19-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-24-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-18-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-17-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-16-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-21-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-23-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-22-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/2888-25-0x00007FFC91F50000-0x00007FFC92145000-memory.dmp

            memory/3804-1-0x0000000002640000-0x0000000002740000-memory.dmp

            memory/3804-3-0x0000000000400000-0x000000000040B000-memory.dmp

            memory/3804-4-0x0000000000400000-0x000000000246A000-memory.dmp

            memory/3804-5-0x0000000000400000-0x000000000040B000-memory.dmp

            memory/3804-2-0x00000000025D0000-0x00000000025DB000-memory.dmp