Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    17/07/2024, 03:58

General

  • Target
    file.exe
  • Size 1.1MB
  • Sample240717-ejg4psvdpk
  • 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 2 IoCs
  • Downloads MZ/PE file
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

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

  • Loads dropped DLL 7 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 6 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.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:2072
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\EBAKKFHJDB.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2456
      • C:\Users\Admin\AppData\Local\Temp\EBAKKFHJDB.exe
        "C:\Users\Admin\AppData\Local\Temp\EBAKKFHJDB.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Checks BIOS information in registry
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Loads dropped DLL
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:616
        • 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
          • Loads dropped DLL
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1932
          • C:\Users\Admin\AppData\Local\Temp\1000006001\3918545757.exe
            "C:\Users\Admin\AppData\Local\Temp\1000006001\3918545757.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of SetWindowsHookEx
            PID:2400
          • C:\Users\Admin\AppData\Local\Temp\1000011001\1c9cde84f4.exe
            "C:\Users\Admin\AppData\Local\Temp\1000011001\1c9cde84f4.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SendNotifyMessage
            • Suspicious use of WriteProcessMemory
            PID:3064
            • 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:3068
              • 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 SendNotifyMessage
                • Suspicious use of WriteProcessMemory
                PID:700
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="700.0.1255829199\178247347" -parentBuildID 20221007134813 -prefsHandle 1216 -prefMapHandle 1208 -prefsLen 20847 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a3c05a3b-e72a-4ba3-9e2f-6fd3ab3af623} 700 "\\.\pipe\gecko-crash-server-pipe.700" 1292 116d9e58 gpu
                  8⤵
                    PID:2712
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="700.1.1048736593\145613958" -parentBuildID 20221007134813 -prefsHandle 1484 -prefMapHandle 1480 -prefsLen 21708 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {9f270bb0-389a-44d4-ac4b-fcfe70112588} 700 "\\.\pipe\gecko-crash-server-pipe.700" 1496 d71658 socket
                    8⤵
                      PID:2588
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="700.2.1456596158\1447662737" -childID 1 -isForBrowser -prefsHandle 2108 -prefMapHandle 2104 -prefsLen 21811 -prefMapSize 233444 -jsInitHandle 856 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {27aeedb6-ab4f-4388-91c5-af1ed29a9aae} 700 "\\.\pipe\gecko-crash-server-pipe.700" 2120 1a2af958 tab
                      8⤵
                        PID:284
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="700.3.1547593327\1097678950" -childID 2 -isForBrowser -prefsHandle 2940 -prefMapHandle 2936 -prefsLen 26216 -prefMapSize 233444 -jsInitHandle 856 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6cc8928f-f3ff-457e-b5b8-42e06100f16d} 700 "\\.\pipe\gecko-crash-server-pipe.700" 2952 d62558 tab
                        8⤵
                          PID:2360
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="700.4.22968711\589069355" -childID 3 -isForBrowser -prefsHandle 3772 -prefMapHandle 1068 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 856 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f908ac58-2f81-4c10-93ec-2b3115ca3fe6} 700 "\\.\pipe\gecko-crash-server-pipe.700" 3776 20062b58 tab
                          8⤵
                            PID:2528
                          • C:\Program Files\Mozilla Firefox\firefox.exe
                            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="700.5.1225087724\1928544476" -childID 4 -isForBrowser -prefsHandle 3892 -prefMapHandle 3896 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 856 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {98111d0e-3e1f-4f81-871e-848de609cbab} 700 "\\.\pipe\gecko-crash-server-pipe.700" 3880 20063458 tab
                            8⤵
                              PID:2896
                            • C:\Program Files\Mozilla Firefox\firefox.exe
                              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="700.6.659795158\897799474" -childID 5 -isForBrowser -prefsHandle 4056 -prefMapHandle 4060 -prefsLen 26275 -prefMapSize 233444 -jsInitHandle 856 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {e469b7cb-5f78-446d-becc-254931bf70e8} 700 "\\.\pipe\gecko-crash-server-pipe.700" 4044 20065558 tab
                              8⤵
                                PID:2948
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BFIJKEBFBF.exe"
                    2⤵
                      PID:2488

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        activity-stream.discovery_stream.json.tmp

                        • Path C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\nndpnsl0.default-release\activity-stream.discovery_stream.json.tmp
                        • Size 27KB
                        • SHA256 3256d76f1ef9d6abbf75d00ea3f04cbdbdfde14b5a7d9fa9c9adf9392ec8fc73
                        • MD5 SHA1 SHA512 SSDEEP

                        3918545757.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\1000006001\3918545757.exe
                        • Size 1.1MB
                        • SHA256 88a73f617072b319fd87cbce1a0874c705ef077fcc0bb09a7037f9762368a0ca
                        • MD5 SHA1 SHA512 SSDEEP

                        1c9cde84f4.exe

                        • Path C:\Users\Admin\AppData\Local\Temp\1000011001\1c9cde84f4.exe
                        • Size 1.2MB
                        • SHA256 fbdd974a0c3fd11ac9428cc2c063b87d91b8e94dc4982e8c1a34b038c4cce60d
                        • MD5 SHA1 SHA512 SSDEEP

                        tmpaddon

                        • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon
                        • Size 442KB
                        • SHA256 a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e
                        • MD5 SHA1 SHA512 SSDEEP

                        tmpaddon-1

                        • Path C:\Users\Admin\AppData\Local\Temp\tmpaddon-1
                        • Size 8.0MB
                        • SHA256 345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42
                        • MD5 SHA1 SHA512 SSDEEP

                        data.safe.bin

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\datareporting\glean\db\data.safe.bin
                        • Size 9KB
                        • SHA256 9b5f4bdd8d4eeec850efe23e09d3a2a2a4b6b29cb760bd844fffc934e124a46a
                        • MD5 SHA1 SHA512 SSDEEP

                        873e6b73-f9c8-43ed-a34c-eb501910da7a

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\datareporting\glean\pending_pings\873e6b73-f9c8-43ed-a34c-eb501910da7a
                        • Size 733B
                        • SHA256 1a00e07033134676103ccf4474730a859a8d029b30edb9810e93ddc8c5f841e1
                        • MD5 SHA1 SHA512

                        gmpopenh264.dll

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll
                        • Size 997KB
                        • SHA256 1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e
                        • MD5 SHA1 SHA512 SSDEEP

                        gmpopenh264.info

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info
                        • Size 116B
                        • SHA256 f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b
                        • MD5 SHA1 SHA512

                        LICENSE.txt

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt
                        • Size 479B
                        • SHA256 2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539
                        • MD5 SHA1 SHA512

                        manifest.json

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json
                        • Size 372B
                        • SHA256 e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd
                        • MD5 SHA1 SHA512

                        widevinecdm.dll

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll
                        • Size 11.8MB
                        • SHA256 8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e
                        • MD5 SHA1 SHA512 SSDEEP

                        widevinecdm.dll.lib

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib
                        • Size 1KB
                        • SHA256 33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237
                        • MD5 SHA1 SHA512

                        widevinecdm.dll.sig

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig
                        • Size 1KB
                        • SHA256 68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81
                        • MD5 SHA1 SHA512

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\prefs-1.js
                        • Size 6KB
                        • SHA256 c123a15bb192844787a081f6ab8c148934bca06c9404ff5079897b0e932271d0
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\prefs-1.js
                        • Size 7KB
                        • SHA256 e4da47418a55fe236c7964eb13befa5307665b4eb0b565b6054d1c6f1af40f40
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs-1.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\prefs-1.js
                        • Size 7KB
                        • SHA256 f54386ecaa42c3618069fe870e98c25b19961f41a9053d62735cd5decdf0c406
                        • MD5 SHA1 SHA512 SSDEEP

                        prefs.js

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\prefs.js
                        • Size 6KB
                        • SHA256 de9bfc53eca1a7716547f8db0ec17e6e89e593c7878f128b4d3d98753926f622
                        • MD5 SHA1 SHA512 SSDEEP

                        recovery.jsonlz4

                        • Path C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nndpnsl0.default-release\sessionstore-backups\recovery.jsonlz4
                        • Size 4KB
                        • SHA256 702daa217f2c80d713583f7ad9b6ac6419e11f56ef534c2db4acb5a135af194b
                        • MD5 SHA1 SHA512 SSDEEP

                        mozglue.dll

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

                        nss3.dll

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

                        EBAKKFHJDB.exe

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

                        memory/616-115-0x0000000000A60000-0x0000000000F13000-memory.dmp

                        memory/616-116-0x0000000006AD0000-0x0000000006F83000-memory.dmp

                        memory/616-281-0x0000000006AD0000-0x0000000006F83000-memory.dmp

                        memory/616-95-0x0000000000A60000-0x0000000000F13000-memory.dmp

                        memory/1932-138-0x0000000006DA0000-0x0000000007331000-memory.dmp

                        memory/1932-117-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-425-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-307-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-233-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-139-0x0000000006DA0000-0x0000000007331000-memory.dmp

                        memory/1932-419-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-291-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-288-0x0000000006DA0000-0x0000000007331000-memory.dmp

                        memory/1932-402-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-418-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-282-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-417-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-407-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-381-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-406-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-392-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/1932-394-0x0000000000340000-0x00000000007F3000-memory.dmp

                        memory/2072-0-0x0000000000960000-0x0000000000EF1000-memory.dmp

                        memory/2072-1-0x0000000061E00000-0x0000000061EF3000-memory.dmp

                        memory/2072-61-0x0000000000960000-0x0000000000EF1000-memory.dmp

                        memory/2072-64-0x0000000000960000-0x0000000000EF1000-memory.dmp

                        memory/2400-140-0x0000000001130000-0x00000000016C1000-memory.dmp

                        memory/2400-143-0x0000000001130000-0x00000000016C1000-memory.dmp

                        memory/2456-94-0x00000000020B0000-0x0000000002563000-memory.dmp