Resubmissions

30/05/2025, 15:17

250530-spjflsyvdy10

17/01/2025, 15:11

250117-sk4kzssrhv10

17/01/2025, 15:09

250117-sjgd3asrbs10

17/01/2025, 15:07

250117-shlbmasqgv10

17/01/2025, 14:27

250117-rsndas1pgx10

16/01/2025, 17:37

250116-v7e71s1ncy10

16/01/2025, 17:30

250116-v27eba1lew10

16/01/2025, 17:29

250116-v232ws1let3

16/01/2025, 17:29

250116-v21lrs1ldz3

16/01/2025, 17:27

250116-v1g32a1qfk10

Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/01/2025, 14:27

General

  • Target
    4363463463464363463463463.exe
  • Size 10KB
  • Sample250117-rsndas1pgx
  • SHA256 2fcad226b17131da4274e1b9f8f31359bdd325c9568665f08fd1f6c5d06a23ce
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • Office04

C2
  • 4.tcp.us-cal-1.ngrok.io:18092

Mutex
  • 11bbf22e-826e-486b-b024-adbd86228a9e

Attributes
  • encryption_key

    7A589EDBC6A581E125BF830EF0D05FC74BB75E30

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    ctfmon

  • subdirectory

    SubDir

Extracted

Family
  • quasar

Version
  • 1.4.1

Botnet
  • SGVP

C2
  • 192.168.1.9:4782

  • 150.129.206.176:4782

  • Ai-Sgvp-33452.portmap.host:33452

Mutex
  • eeeb55fc-ba05-43e4-97f6-732f35b891b4

Attributes
  • encryption_key

    09BBDA8FF0524296F02F8F81158F33C0AA74D487

  • install_name

    User Application Data.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Windowns Client Startup

  • subdirectory

    Quasar

Extracted

Family
  • lumma

C2
  • https://covvercilverow.shop/api

  • https://surroundeocw.shop/api

  • https://abortinoiwiam.shop/api

  • https://pumpkinkwquo.shop/api

  • https://priooozekw.shop/api

  • https://deallyharvenw.shop/api

  • https://defenddsouneuw.shop/api

  • https://racedsuitreow.shop/api

  • https://roaddrermncomplai.shop/api

Signatures

  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Lumma family
  • Njrat family
  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 4 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Downloads MZ/PE file
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 34 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe
    "C:\Users\Admin\AppData\Local\Temp\4363463463464363463463463.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3240
    • C:\Users\Admin\AppData\Local\Temp\Files\lmao.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\lmao.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "ctfmon" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:244
      • C:\Users\Admin\AppData\Roaming\SubDir\Client.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:624
        • C:\Windows\SYSTEM32\schtasks.exe
          "schtasks" /create /tn "ctfmon" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client.exe" /rl HIGHEST /f
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:964
    • C:\Users\Admin\AppData\Local\Temp\Files\SGVP%20Client%20program.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\SGVP%20Client%20program.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1112
    • C:\Users\Admin\AppData\Local\Temp\Files\ExtremeInjector.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\ExtremeInjector.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2024
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5016
    • C:\Users\Admin\AppData\Local\Temp\Files\CrazyCoach.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\CrazyCoach.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4736
    • C:\Users\Admin\AppData\Local\Temp\Files\Server.exe
      "C:\Users\Admin\AppData\Local\Temp\Files\Server.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3768
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4292
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:4620

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        server.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\server.exe.log
        • Size 319B
        • SHA256 ea92f8291b86440b98162409b1f9f04470455c22be01a1480ea5ebc37eb168dc
        • MD5 SHA1 SHA512

        CrazyCoach.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\CrazyCoach.exe
        • Size 3.0MB
        • SHA256 59527dad3efdaed76dada214e81b0aa884f0821c86883e27c68fb45fd4e66150
        • MD5 SHA1 SHA512 SSDEEP

        ExtremeInjector.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\ExtremeInjector.exe
        • Size 550KB
        • SHA256 e17bf83e09457d8cecd1f3e903fa4c9770e17e823731650a453bc479591ac511
        • MD5 SHA1 SHA512 SSDEEP

        SGVP%20Client%20program.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\SGVP%20Client%20program.exe
        • Size 3.1MB
        • SHA256 c72756ca6344b675d8951b16ff305d1f8e145bddac1dcac101bfdb79939831a1
        • MD5 SHA1 SHA512 SSDEEP

        Server.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\Server.exe
        • Size 23KB
        • SHA256 d5eaaa22cd69c6ddf1da7b0c8bd0cabbcda679810ed2d95839c08244235fbf81
        • MD5 SHA1 SHA512 SSDEEP

        lmao.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Files\lmao.exe
        • Size 3.1MB
        • SHA256 4119dedd1d6408f80505394a374cde76124a736913f958c878f54c16c98986e3
        • MD5 SHA1 SHA512 SSDEEP

        msvcp110.dll

        • Path C:\Users\Admin\AppData\Roaming\msvcp110.dll
        • Size 642KB
        • SHA256 59d3999d0989c9c91dae93c26499f5a14b837a0fe56e6fc29f57456f54a1f8a2
        • MD5 SHA1 SHA512 SSDEEP

        memory/624-27-0x000000001C8E0000-0x000000001C930000-memory.dmp

        memory/624-28-0x000000001C9F0000-0x000000001CAA2000-memory.dmp

        memory/1112-40-0x0000000000F60000-0x0000000001284000-memory.dmp

        memory/2024-52-0x00000000002A0000-0x0000000000330000-memory.dmp

        memory/3176-26-0x00007FFB09B30000-0x00007FFB0A5F1000-memory.dmp

        memory/3176-19-0x00007FFB09B30000-0x00007FFB0A5F1000-memory.dmp

        memory/3176-18-0x0000000000DF0000-0x0000000001114000-memory.dmp

        memory/3176-17-0x00007FFB09B33000-0x00007FFB09B35000-memory.dmp

        memory/3240-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

        memory/3240-5-0x00000000745D0000-0x0000000074D80000-memory.dmp

        memory/3240-4-0x00000000745DE000-0x00000000745DF000-memory.dmp

        memory/3240-3-0x00000000745D0000-0x0000000074D80000-memory.dmp

        memory/3240-2-0x0000000004D60000-0x0000000004DFC000-memory.dmp

        memory/3240-1-0x00000000003C0000-0x00000000003C8000-memory.dmp

        memory/5016-59-0x0000000000400000-0x0000000000465000-memory.dmp

        memory/5016-61-0x0000000000400000-0x0000000000465000-memory.dmp