Analysis

  • max time kernel
    119s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/07/2024, 01:15

General

  • Target
    43589025459151fed9d8636af78c6c90N.exe
  • Size 1.8MB
  • Sample240717-bl7wcssbrh
  • SHA256 1e616b5830f3ce30a81ea4b6088dcaa863d685c64800427cacc499cf1d823d80
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • amadey

Version
  • 4.30

Botnet
  • 4dd39d

C2
  • http://77.91.77.82

Attributes
  • install_dir

    ad40971b6b

  • install_file

    explorti.exe

  • strings_key

    a434973ad22def7137dbb5e059b7081e

  • url_paths

    /Hun4Ko/index.php

rc4.plain

Extracted

Family
  • stealc

Botnet
  • funny

C2
  • http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

Signatures

  • Amadey

    Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

  • Stealc

    Stealc is an infostealer written in C++.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 10 IoCs

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

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Identifies Wine through registry keys 2 TTPs 5 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 10 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 31 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\43589025459151fed9d8636af78c6c90N.exe
    "C:\Users\Admin\AppData\Local\Temp\43589025459151fed9d8636af78c6c90N.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
      "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks computer location settings
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3276
      • C:\Users\Admin\AppData\Local\Temp\1000006001\a9a52567c3.exe
        "C:\Users\Admin\AppData\Local\Temp\1000006001\a9a52567c3.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3448
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AKKKFBGDHJ.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:5516
          • C:\Users\Admin\AppData\Local\Temp\AKKKFBGDHJ.exe
            "C:\Users\Admin\AppData\Local\Temp\AKKKFBGDHJ.exe"
            5⤵
            • Identifies VirtualBox via ACPI registry values (likely anti-VM)
            • Checks BIOS information in registry
            • Executes dropped EXE
            • Identifies Wine through registry keys
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious behavior: EnumeratesProcesses
            PID:5616
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\ECGDHDHJEB.exe"
          4⤵
          • Checks computer location settings
          • Suspicious use of SetWindowsHookEx
          PID:5552
      • C:\Users\Admin\AppData\Local\Temp\1000011001\7a550a20c4.exe
        "C:\Users\Admin\AppData\Local\Temp\1000011001\7a550a20c4.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3076
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.youtube.com/account
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:4996
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.youtube.com/account
            5⤵
            • Checks processor information in registry
            • Modifies registry class
            PID:1096
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1912 -parentBuildID 20240401114208 -prefsHandle 1840 -prefMapHandle 1832 -prefsLen 25755 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {ca16172c-5257-43d1-ac03-479ff9bddd2d} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" gpu
              6⤵
                PID:2732
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2348 -parentBuildID 20240401114208 -prefsHandle 2340 -prefMapHandle 2336 -prefsLen 26675 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {bd393782-fdae-4214-8dda-8462d29c1d6c} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" socket
                6⤵
                  PID:2548
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2760 -childID 1 -isForBrowser -prefsHandle 2764 -prefMapHandle 3012 -prefsLen 22698 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c9e04369-100d-44d1-9f6c-2ee53f4e5ca4} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" tab
                  6⤵
                    PID:2120
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3476 -childID 2 -isForBrowser -prefsHandle 3468 -prefMapHandle 3464 -prefsLen 31165 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {efd63980-5a11-4ed9-b971-8486b2ef3ca4} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" tab
                    6⤵
                      PID:4044
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4536 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4532 -prefMapHandle 4528 -prefsLen 31165 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f9ed291d-fdf0-44bd-a67e-b785e80b10b4} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" utility
                      6⤵
                      • Checks processor information in registry
                      PID:4684
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5056 -childID 3 -isForBrowser -prefsHandle 5032 -prefMapHandle 5048 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2f037fd2-9882-40e6-841c-23f93f18eb6c} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" tab
                      6⤵
                        PID:852
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5196 -childID 4 -isForBrowser -prefsHandle 5200 -prefMapHandle 5204 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {b573cde6-6351-492c-bee5-f62e837907ec} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" tab
                        6⤵
                          PID:1512
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5468 -childID 5 -isForBrowser -prefsHandle 5388 -prefMapHandle 5392 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 1264 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ca6ad817-524c-4324-947e-fd9ae7f8fcd4} 1096 "\\.\pipe\gecko-crash-server-pipe.1096" tab
                          6⤵
                            PID:1140
                • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                  C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                  1⤵
                  • Identifies VirtualBox via ACPI registry values (likely anti-VM)
                  • Checks BIOS information in registry
                  • Executes dropped EXE
                  • Identifies Wine through registry keys
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious behavior: EnumeratesProcesses
                  PID:5560
                • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                  C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                  1⤵
                  • Identifies VirtualBox via ACPI registry values (likely anti-VM)
                  • Checks BIOS information in registry
                  • Executes dropped EXE
                  • Identifies Wine through registry keys
                  • Suspicious use of NtSetInformationThreadHideFromDebugger
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4552

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      mozglue.dll

                      • Path C:\ProgramData\mozglue.dll
                      • Size 593KB
                      • SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
                      • MD5 SHA1 SHA512 SSDEEP

                      nss3.dll

                      • Path C:\ProgramData\nss3.dll
                      • Size 2.0MB
                      • SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
                      • MD5 SHA1 SHA512 SSDEEP

                      a9a52567c3.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000006001\a9a52567c3.exe
                      • Size 1.1MB
                      • SHA256 04a4ed789f8a254681cc65fe7361660373cc8a37b66992979c916bf4f990c8b9
                      • MD5 SHA1 SHA512 SSDEEP

                      7a550a20c4.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000011001\7a550a20c4.exe
                      • Size 1.2MB
                      • SHA256 137197afe4d6618da2bedaa8f87440c9a177fa051f34be606399cfdeb4fbac90
                      • MD5 SHA1 SHA512 SSDEEP

                      AKKKFBGDHJ.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\AKKKFBGDHJ.exe
                      • Size 1.8MB
                      • SHA256 ec7e43b11fc5855ce853da8956df7b5618aa6152eb69c228dd8bcefba661be5e
                      • MD5 SHA1 SHA512 SSDEEP

                      explorti.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                      • Size 1.8MB
                      • SHA256 1e616b5830f3ce30a81ea4b6088dcaa863d685c64800427cacc499cf1d823d80
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/3276-145-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-98-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-19-0x00000000005A1000-0x00000000005CF000-memory.dmp

                      memory/3276-20-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-21-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-136-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-144-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-146-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-139-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-18-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-99-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-147-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-148-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-138-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-137-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-149-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-132-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3276-135-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/3448-128-0x0000000000A60000-0x0000000000FF1000-memory.dmp

                      memory/3448-37-0x0000000000A60000-0x0000000000FF1000-memory.dmp

                      memory/3448-117-0x0000000000A60000-0x0000000000FF1000-memory.dmp

                      memory/3448-56-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                      memory/4552-153-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/4552-151-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/5072-5-0x0000000000EE0000-0x000000000139F000-memory.dmp

                      memory/5072-17-0x0000000000EE0000-0x000000000139F000-memory.dmp

                      memory/5072-3-0x0000000000EE0000-0x000000000139F000-memory.dmp

                      memory/5072-2-0x0000000000EE1000-0x0000000000F0F000-memory.dmp

                      memory/5072-1-0x0000000077514000-0x0000000077516000-memory.dmp

                      memory/5072-0-0x0000000000EE0000-0x000000000139F000-memory.dmp

                      memory/5560-143-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/5560-141-0x00000000005A0000-0x0000000000A5F000-memory.dmp

                      memory/5616-134-0x00000000002D0000-0x000000000078B000-memory.dmp

                      memory/5616-133-0x00000000002D0000-0x000000000078B000-memory.dmp