Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2024, 02:28

General

  • Target
    de2f3b21830228e66a0d8f3d345985bcb3282255c221cf7a47cafb7ff5b9472e.exe
  • Size 1.8MB
  • Sample240720-cx5e2ssdpr
  • SHA256 de2f3b21830228e66a0d8f3d345985bcb3282255c221cf7a47cafb7ff5b9472e
  • 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
  • default

C2
  • http://85.28.47.31

Attributes
  • url_path

    /5499d72b3a3e55be.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 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.

  • Checks computer location settings 2 TTPs 3 IoCs

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

  • Executes dropped EXE 5 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.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 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 8 IoCs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 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\de2f3b21830228e66a0d8f3d345985bcb3282255c221cf7a47cafb7ff5b9472e.exe
    "C:\Users\Admin\AppData\Local\Temp\de2f3b21830228e66a0d8f3d345985bcb3282255c221cf7a47cafb7ff5b9472e.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:3960
    • 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
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3672
      • C:\Users\Admin\AppData\Local\Temp\1000015001\89d5dcbe2e.exe
        "C:\Users\Admin\AppData\Local\Temp\1000015001\89d5dcbe2e.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:1148
      • C:\Users\Admin\AppData\Local\Temp\1000016001\9875c981ad.exe
        "C:\Users\Admin\AppData\Local\Temp\1000016001\9875c981ad.exe"
        3⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1244
        • 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:2264
          • 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
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:976
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2000 -parentBuildID 20240401114208 -prefsHandle 1928 -prefMapHandle 1920 -prefsLen 25755 -prefMapSize 244658 -appDir "C:\Program Files\Mozilla Firefox\browser" - {95d65706-9242-4a76-a9ff-b0a7ebc19816} 976 "\\.\pipe\gecko-crash-server-pipe.976" gpu
              6⤵
                PID:3412
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=2436 -parentBuildID 20240401114208 -prefsHandle 2428 -prefMapHandle 2424 -prefsLen 26675 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0c549004-b965-4728-8f43-f9f88d330c5f} 976 "\\.\pipe\gecko-crash-server-pipe.976" socket
                6⤵
                  PID:4224
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=3076 -childID 1 -isForBrowser -prefsHandle 3064 -prefMapHandle 3060 -prefsLen 22698 -prefMapSize 244658 -jsInitHandle 1304 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {48b028f3-0bc1-49cb-9a1a-100082f76859} 976 "\\.\pipe\gecko-crash-server-pipe.976" tab
                  6⤵
                    PID:5000
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4024 -childID 2 -isForBrowser -prefsHandle 4016 -prefMapHandle 4012 -prefsLen 31165 -prefMapSize 244658 -jsInitHandle 1304 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {da68653b-6ae1-4b65-a781-f039be26efb5} 976 "\\.\pipe\gecko-crash-server-pipe.976" tab
                    6⤵
                      PID:3696
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=4668 -parentBuildID 20240401114208 -sandboxingKind 0 -prefsHandle 4720 -prefMapHandle 4716 -prefsLen 31165 -prefMapSize 244658 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {04620025-460f-4862-a5a0-b0344fe3c859} 976 "\\.\pipe\gecko-crash-server-pipe.976" utility
                      6⤵
                      • Checks processor information in registry
                      PID:5380
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5196 -childID 3 -isForBrowser -prefsHandle 5204 -prefMapHandle 3708 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 1304 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ce82fb55-61c5-41a4-a8b4-56e2a9b56ddf} 976 "\\.\pipe\gecko-crash-server-pipe.976" tab
                      6⤵
                        PID:5876
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5348 -childID 4 -isForBrowser -prefsHandle 5352 -prefMapHandle 5356 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 1304 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8d85c250-0015-4030-b1d2-5b6b369f2307} 976 "\\.\pipe\gecko-crash-server-pipe.976" tab
                        6⤵
                          PID:5888
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel=5548 -childID 5 -isForBrowser -prefsHandle 5556 -prefMapHandle 5560 -prefsLen 27051 -prefMapSize 244658 -jsInitHandle 1304 -jsInitLen 234952 -parentBuildID 20240401114208 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {314983d6-21de-4423-9ce8-9540c529c7f2} 976 "\\.\pipe\gecko-crash-server-pipe.976" tab
                          6⤵
                            PID:5900
                • 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:4836
                • 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:5868

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      activity-stream.discovery_stream.json

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\1l89xtkq.default-release\activity-stream.discovery_stream.json
                      • Size 18KB
                      • SHA256 7eed8febe37bb52a401241703249174bebcc17c257eaae7f7293fa49d3287243
                      • MD5 SHA1 SHA512 SSDEEP

                      8A2034D325DC0B5C9E11EDDA3FC70A54C8DC1C0D

                      • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\1l89xtkq.default-release\cache2\entries\8A2034D325DC0B5C9E11EDDA3FC70A54C8DC1C0D
                      • Size 13KB
                      • SHA256 fa1c70e0b85f22b722b9c55ac7c53faf29e8fd3925023084ebb74583df74acfa
                      • MD5 SHA1 SHA512 SSDEEP

                      89d5dcbe2e.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000015001\89d5dcbe2e.exe
                      • Size 679KB
                      • SHA256 a04eed72375bdd8a6ce118e30e79cf6dc4618e4c748873c0da29cf0e9f9f031c
                      • MD5 SHA1 SHA512 SSDEEP

                      9875c981ad.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\1000016001\9875c981ad.exe
                      • Size 1.2MB
                      • SHA256 9d3f70e99c2b3ac6ab8600c6abf759403beb272815e60a08967f122b350184b5
                      • MD5 SHA1 SHA512 SSDEEP

                      explorti.exe

                      • Path C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe
                      • Size 1.8MB
                      • SHA256 de2f3b21830228e66a0d8f3d345985bcb3282255c221cf7a47cafb7ff5b9472e
                      • 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\1l89xtkq.default-release\AlternateServices.bin
                      • Size 8KB
                      • SHA256 262ebaebd5072877699f74a1320ccbd2262ee4c7c02a27d90da90540855efe27
                      • MD5 SHA1 SHA512 SSDEEP

                      AlternateServices.bin

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\AlternateServices.bin
                      • Size 11KB
                      • SHA256 1c1bc46441e534eaa9e11be537eb3ded782627728908c83b612af99d21ebce96
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 22KB
                      • SHA256 1203c1522535b5bb4e446d33c2c82c2d691632c74942af005770e56cd0ff0388
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 23KB
                      • SHA256 5c1b062a727d220c69061a0b9092a5e177d2106935d461bc3e57e6cd121990af
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 25KB
                      • SHA256 c14872c3721425d98b137f802c818822b6c195e8ce8405b11e8e2aad548a467b
                      • MD5 SHA1 SHA512 SSDEEP

                      data.safe.tmp

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\datareporting\glean\db\data.safe.tmp
                      • Size 23KB
                      • SHA256 c63065f8a70d8e86b3f50224bfae54cd96c46e1ae9daa98fc29597489cf892f0
                      • MD5 SHA1 SHA512 SSDEEP

                      068372b5-7410-4fb3-b78a-9c00569a95f3

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\datareporting\glean\pending_pings\068372b5-7410-4fb3-b78a-9c00569a95f3
                      • Size 982B
                      • SHA256 58d484992e46d0f6e6dec66447aabf93a000c28778082848de79b5121be71c6f
                      • MD5 SHA1 SHA512

                      8100b1c6-3747-47fe-a998-7c0032cd639e

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\datareporting\glean\pending_pings\8100b1c6-3747-47fe-a998-7c0032cd639e
                      • Size 659B
                      • SHA256 77f4549335b15c766281574ff9ef81a5b804ed8420b93fea566ef6f515bbe895
                      • MD5 SHA1 SHA512

                      gmpopenh264.dll

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.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\1l89xtkq.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\1l89xtkq.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\1l89xtkq.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\1l89xtkq.default-release\prefs-1.js
                      • Size 12KB
                      • SHA256 0257efe2dd889312d84238c9dc3b8e53b30f94b0770bbdda448c5a6dacbccd98
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs-1.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\prefs-1.js
                      • Size 16KB
                      • SHA256 d0f6e0a9d037d3f26979797787c442d47e1da695a3bf0c490adbddc6be33a7f3
                      • MD5 SHA1 SHA512 SSDEEP

                      prefs.js

                      • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\1l89xtkq.default-release\prefs.js
                      • Size 8KB
                      • SHA256 a7c98c63df9966d04793fb8f0ff16705bd44b9f76a62716105a18b94f3b3d118
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/1148-37-0x0000000000860000-0x0000000000E38000-memory.dmp

                      memory/1148-48-0x0000000000860000-0x0000000000E38000-memory.dmp

                      memory/3672-2547-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-373-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-391-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-392-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-397-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-2566-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-21-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-20-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-19-0x0000000000771000-0x000000000079F000-memory.dmp

                      memory/3672-2560-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-16-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-2559-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-2558-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-2557-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-390-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-2551-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-2552-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-675-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-1590-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3672-2542-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/3960-2-0x0000000000571000-0x000000000059F000-memory.dmp

                      memory/3960-3-0x0000000000570000-0x0000000000A35000-memory.dmp

                      memory/3960-1-0x0000000076EF4000-0x0000000076EF6000-memory.dmp

                      memory/3960-4-0x0000000000570000-0x0000000000A35000-memory.dmp

                      memory/3960-18-0x0000000000570000-0x0000000000A35000-memory.dmp

                      memory/3960-0-0x0000000000570000-0x0000000000A35000-memory.dmp

                      memory/4836-515-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/4836-485-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/5868-2554-0x0000000000770000-0x0000000000C35000-memory.dmp

                      memory/5868-2556-0x0000000000770000-0x0000000000C35000-memory.dmp