Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    17/07/2024, 03:48

General

  • Target
    88a73f617072b319fd87cbce1a0874c705ef077fcc0bb09a7037f9762368a0ca.exe
  • Size 1.1MB
  • Sample240717-ec6tgsvbql
  • SHA256 88a73f617072b319fd87cbce1a0874c705ef077fcc0bb09a7037f9762368a0ca
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • stealc

Botnet
  • funny

C2
  • http://85.28.47.30

Attributes
  • url_path

    /920475a59bac849d.php

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

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 4 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 8 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Identifies Wine through registry keys 2 TTPs 4 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 7 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 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\88a73f617072b319fd87cbce1a0874c705ef077fcc0bb09a7037f9762368a0ca.exe
    "C:\Users\Admin\AppData\Local\Temp\88a73f617072b319fd87cbce1a0874c705ef077fcc0bb09a7037f9762368a0ca.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FIIDBKJJDG.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4544
      • C:\Users\Admin\AppData\Local\Temp\FIIDBKJJDG.exe
        "C:\Users\Admin\AppData\Local\Temp\FIIDBKJJDG.exe"
        3⤵
        • 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
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:656
        • C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
          "C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"
          4⤵
          • 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
          • Suspicious use of WriteProcessMemory
          PID:1052
          • C:\Users\Admin\AppData\Local\Temp\1000006001\9c1d5ca899.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\9c1d5ca899.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:3164
          • C:\Users\Admin\AppData\Local\Temp\1000011001\37d489b8f8.exe
            "C:\Users\Admin\AppData\Local\Temp\1000011001\37d489b8f8.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:2388
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.youtube.com/account
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:3016
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" https://www.youtube.com/account
                7⤵
                • Checks processor information in registry
                • Modifies registry class
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SetWindowsHookEx
                • Suspicious use of WriteProcessMemory
                PID:4792
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=1980 -parentBuildID 20240401114208 -prefsHandle 1896 -prefMapHandle 1864 -prefsLen 25751 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {15c0e323-9587-4eb0-bef5-544eb8e61072} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" gpu
                  8⤵
                    PID:4088
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2400 -parentBuildID 20240401114208 -prefsHandle 2392 -prefMapHandle 2388 -prefsLen 26671 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {99c8ae14-c286-492d-a1ad-fb70b19eb784} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" socket
                    8⤵
                      PID:4104
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3268 -childID 1 -isForBrowser -prefsHandle 2820 -prefMapHandle 3260 -prefsLen 22698 -prefMapSize 244658 -jsInitHandle 1100 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {39b41b2d-83a1-4d80-bd9e-585cf0a78c78} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" tab
                      8⤵
                        PID:1664
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3636 -childID 2 -isForBrowser -prefsHandle 3060 -prefMapHandle 3008 -prefsLen 31161 -prefMapSize 244658 -jsInitHandle 1100 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {2e663f97-7e0d-4695-918a-f12c13240e62} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" tab
                        8⤵
                          PID:4436
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4676 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4668 -prefMapHandle 4648 -prefsLen 31161 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9b426d85-9e3b-42d0-9ec6-dc9a2e76da92} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" utility
                          8⤵
                          • Checks processor information in registry
                          PID:4216
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5560 -childID 3 -isForBrowser -prefsHandle 5568 -prefMapHandle 5564 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1100 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {87e96bc9-aa6e-4946-8fe5-42341940c0cf} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" tab
                          8⤵
                            PID:2088
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5836 -childID 4 -isForBrowser -prefsHandle 5756 -prefMapHandle 5760 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1100 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c8ebd5f8-6174-486c-84aa-8268ca1af623} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" tab
                            8⤵
                              PID:4396
                            • C:\Program Files\Mozilla Firefox\firefox.exe
                              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5732 -childID 5 -isForBrowser -prefsHandle 5964 -prefMapHandle 5968 -prefsLen 27132 -prefMapSize 244658 -jsInitHandle 1100 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {124e81ea-0f3b-414a-a580-396340c94c93} 4792 "\\.\pipe\gecko-crash-server-pipe.4792" tab
                              8⤵
                                PID:4940
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EHJKFCGHID.exe"
                    2⤵
                    • Suspicious use of SetWindowsHookEx
                    PID:1264
                • 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:4972
                • 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:3556

                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

                      activity-stream.discovery_stream.json.tmp

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\t4hat1k8.default-release\activity-stream.discovery_stream.json.tmp
                      • Size 19KB
                      • SHA256 34aa4814cecc781e0cdc6c605ae6c23ac33e724656aa5d5309c9c204638a24ed
                      • MD5 SHA1 SHA512 SSDEEP

                      8A2034D325DC0B5C9E11EDDA3FC70A54C8DC1C0D

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\t4hat1k8.default-release\cache2\entries\8A2034D325DC0B5C9E11EDDA3FC70A54C8DC1C0D
                      • Size 13KB
                      • SHA256 82a144a67b40b47b2cd0a4ad2d6ad0602367e91f39356ac86eb70af05f2b0928
                      • MD5 SHA1 SHA512 SSDEEP

                      9c1d5ca899.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000006001\9c1d5ca899.exe
                      • Size 1.1MB
                      • SHA256 88a73f617072b319fd87cbce1a0874c705ef077fcc0bb09a7037f9762368a0ca
                      • MD5 SHA1 SHA512 SSDEEP

                      37d489b8f8.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000011001\37d489b8f8.exe
                      • Size 1.2MB
                      • SHA256 fbdd974a0c3fd11ac9428cc2c063b87d91b8e94dc4982e8c1a34b038c4cce60d
                      • MD5 SHA1 SHA512 SSDEEP

                      FIIDBKJJDG.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\FIIDBKJJDG.exe
                      • Size 1.8MB
                      • SHA256 5f604c9dee557d923eb3154fa0e6a2265f9ba440fd7e4a2ca1d58559516d5667
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                      • Size 479KB
                      • SHA256 c32efac42faf4b9878fb8917c5e71d89ff40de580c4f52f62e11c6cfab55167f
                      • MD5 SHA1 SHA512 SSDEEP

                      tmpaddon-1

                      • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                      • Size 13.8MB
                      • SHA256 32d544baf2facc893057a1d97db33207e642f0dacf235d8500a0b5eff934ce03
                      • MD5 SHA1 SHA512 SSDEEP

                      AlternateServices.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\AlternateServices.bin
                      • Size 17KB
                      • SHA256 eabd6aa65815aa7c682e22aabe20b58a1c8de20a9e91cd921cf315fcded34813
                      • MD5 SHA1 SHA512 SSDEEP

                      AlternateServices.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\AlternateServices.bin
                      • Size 11KB
                      • SHA256 76c5175e9032fa56dc609172e1ae99a40bb987c614346968dc6b584e7e4d5a18
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 22KB
                      • SHA256 b7d7d2b051f97e6292311e75980038aa94a8924f4e20e6c7588c55b95683815c
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 25KB
                      • SHA256 995803cb6b027a587c3ee88b28885e66cd37210a2b7abbe76b9bec1f3ae4b339
                      • MD5 SHA1 SHA512 SSDEEP

                      b7613fe6-97d9-4192-a4a0-2a7aca75ef10

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\datareporting\glean\pending_pings\b7613fe6-97d9-4192-a4a0-2a7aca75ef10
                      • Size 659B
                      • SHA256 daee4db4357c48e1249bafe0977c0877cae5715f55ce576973a5e4bf779c655a
                      • MD5 SHA1 SHA512

                      d324439e-3923-44ff-9dd2-20933ffebe26

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\datareporting\glean\pending_pings\d324439e-3923-44ff-9dd2-20933ffebe26
                      • Size 982B
                      • SHA256 9232cb4112fb5043924662e95c45b3a0a36b1c61ec83d7457c0cb24649e25131
                      • MD5 SHA1 SHA512

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.dll
                      • Size 1.1MB
                      • SHA256 d88dd3bfc4a558bb943f3caa2e376da3942e48a7948763bf9a38f707c2cd0c1c
                      • MD5 SHA1 SHA512 SSDEEP

                      gmpopenh264.info

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\gmp-gmpopenh264\2.3.2\gmpopenh264.info
                      • Size 116B
                      • SHA256 4107f76ba1d9424555f4e8ea0acef69357dfff89dfa5f0ec72aa4f2d489b17bc
                      • MD5 SHA1 SHA512

                      manifest.json

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\gmp-widevinecdm\4.10.2710.0\manifest.json
                      • Size 372B
                      • SHA256 bbab6ca07edbed72a966835c7907b3e60c7aa3d48ddea847e5076bd05f4b1eda
                      • MD5 SHA1 SHA512

                      widevinecdm.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\gmp-widevinecdm\4.10.2710.0\widevinecdm.dll
                      • Size 17.8MB
                      • SHA256 bc40c7821dcd3fea9923c6912ab1183a942c11b7690cfd79ed148ded0228777e
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\prefs-1.js
                      • Size 13KB
                      • SHA256 6489a8d0628cea02a470c5c26a86bcd8f55769aa36e2143cbb7d9a8fab6a20aa
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\prefs-1.js
                      • Size 16KB
                      • SHA256 79178902a7cd60791d817ba03c4ec19fba6f709deca5d33e2a7527119f3adb22
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\prefs.js
                      • Size 11KB
                      • SHA256 9b743117439d0aba71af180433881f6d6e281eab5b959a0d510bf9198fc7a434
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\t4hat1k8.default-release\prefs.js
                      • Size 8KB
                      • SHA256 e3e2d7c1efa2372e2b8e37e6418b33adfccf1e024a70e832419b2e10e69d6956
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/656-80-0x00000000006C0000-0x0000000000B73000-memory.dmp

                      memory/656-93-0x00000000006C0000-0x0000000000B73000-memory.dmp

                      memory/1052-2603-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-2612-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-2619-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-461-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-448-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-2615-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-137-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-792-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-2613-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-1750-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-2611-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-2610-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-2602-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/1052-94-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/3164-111-0x00000000007D0000-0x0000000000D61000-memory.dmp

                      memory/3164-110-0x00000000007D0000-0x0000000000D61000-memory.dmp

                      memory/3556-2616-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/3556-2618-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/3672-0-0x0000000000840000-0x0000000000DD1000-memory.dmp

                      memory/3672-76-0x0000000000840000-0x0000000000DD1000-memory.dmp

                      memory/3672-1-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                      memory/4972-2601-0x0000000000360000-0x0000000000813000-memory.dmp

                      memory/4972-2599-0x0000000000360000-0x0000000000813000-memory.dmp