Analysis

  • max time kernel
    52s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-12-2024 02:58

General

  • Target

    Unlock_App_v1.4.exe

  • Size

    323KB

  • MD5

    34f45d20fef7dd9c8e8d7f5b9d5fa6a7

  • SHA1

    4270a1cf22a0183d772bf143bec8a81b8b4ac51e

  • SHA256

    42226b9f119843f7ff26e7d50895564d59fe8bf8db1830047c86298d8bc22d74

  • SHA512

    11a4e65e08a6f948336971e612f859429c4c58c6443ba85fc3b7a5165040bde57555c596a8c0322cd71b8e1fa3758dd7f6a247de5197b32212d9a90c37fe2410

  • SSDEEP

    6144:bspY93m4ezZF197TvhhFUJi7AuRQ1zkIFZQRhtinsoCiiEI+:bWym4ezxLhKAkuRQtkIjQRGns2iEz

Malware Config

Signatures

  • Detect Vidar Stealer 5 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Unlock_App_v1.4.exe
    "C:\Users\Admin\AppData\Local\Temp\Unlock_App_v1.4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\Unlock_App_v1.4.exe
      "C:\Users\Admin\AppData\Local\Temp\Unlock_App_v1.4.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5088
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Unlock_App_v1.4.exe" & rd /s /q "C:\ProgramData\LXBAIMOPZ58Y" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3964
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3032
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4408
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2864
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ffdf08a46f8,0x7ffdf08a4708,0x7ffdf08a4718
        2⤵
          PID:3572
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2072 /prefetch:2
          2⤵
            PID:460
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2144 /prefetch:3
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1056
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
            2⤵
              PID:1060
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3356 /prefetch:1
              2⤵
                PID:2352
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3376 /prefetch:1
                2⤵
                  PID:3924
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5040 /prefetch:1
                  2⤵
                    PID:4656
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5028 /prefetch:1
                    2⤵
                      PID:1836
                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
                      2⤵
                        PID:3248
                      • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2044,3121909823883287078,13929126726271433420,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5368 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:4184
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:4852
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:2364

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                          Filesize

                          152B

                          MD5

                          f426165d1e5f7df1b7a3758c306cd4ae

                          SHA1

                          59ef728fbbb5c4197600f61daec48556fec651c1

                          SHA256

                          b68dfc21866d0abe5c75d70acc54670421fa9b26baf98af852768676a901b841

                          SHA512

                          8d437fcb85acb0705bf080141e7a021740901248985a76299ea8c43e46ad78fb88c738322cf302f6a550caa5e79d85b36827e9b329b1094521b17cf638c015b6

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                          Filesize

                          152B

                          MD5

                          6960857d16aadfa79d36df8ebbf0e423

                          SHA1

                          e1db43bd478274366621a8c6497e270d46c6ed4f

                          SHA256

                          f40b812ce44e391423eb66602ac0af138a1e948aa8c4116045fef671ef21cd32

                          SHA512

                          6deb2a63055a643759dd0ae125fb2f68ec04a443dbf8b066a812b42352bbcfa4517382ed0910c190c986a864559c3453c772e153ee2e9432fb2de2e1e49ca7fe

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                          Filesize

                          180B

                          MD5

                          00a455d9d155394bfb4b52258c97c5e5

                          SHA1

                          2761d0c955353e1982a588a3df78f2744cfaa9df

                          SHA256

                          45a13c77403533b12fbeeeb580e1c32400ca17a32e15caa8c8e6a180ece27fed

                          SHA512

                          9553f8553332afbb1b4d5229bbf58aed7a51571ab45cbf01852b36c437811befcbc86f80ec422f222963fa7dabb04b0c9ae72e9d4ff2eeb1e58cde894fbe234f

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                          Filesize

                          6KB

                          MD5

                          bdaaf68d1cde70612bc991f78e423aa4

                          SHA1

                          5b5b7c3bf1275c038ecfe7aef48e869dcbe5b105

                          SHA256

                          b192e8909041a3a79ce32bc1504e2edb8976470b2ce4ba70922a22738b31dd59

                          SHA512

                          22da575b4cd19f5635ab221c93e947a3cbb8603a5b80ea5d414a27b57eddca8202e6ed9bff8f76a37d36ce717ddc11f14e9516b295b094fd26d07baa077c1461

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                          Filesize

                          5KB

                          MD5

                          65d6e0fd8eb8466ec7430031ff0f7104

                          SHA1

                          a6753afa84cca3b259579b9efacd27cfd69cc881

                          SHA256

                          f6e80a6fe24e4b7a43248ced4972bafc7521bf9d417d2cb93d863d7001e1995e

                          SHA512

                          97592cf0f5afd313fd43eb653fbfa406bb2926a28ff3c899c783a8ea0f5805fa4be4417ad1d847b93d0677b0d1816af59690780376c42bd4a1deff163fdad262

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                          Filesize

                          16B

                          MD5

                          46295cac801e5d4857d09837238a6394

                          SHA1

                          44e0fa1b517dbf802b18faf0785eeea6ac51594b

                          SHA256

                          0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                          SHA512

                          8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                          Filesize

                          16B

                          MD5

                          206702161f94c5cd39fadd03f4014d98

                          SHA1

                          bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                          SHA256

                          1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                          SHA512

                          0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                          Filesize

                          10KB

                          MD5

                          a03ad5e796e55eb5adeb6a0bba9015f7

                          SHA1

                          e9143ebd1f877d5fc862bbfa2fd2047e71c3d117

                          SHA256

                          3f522666537b2e0012ce235a2e10e962a2c336b4e15503af1cca3d527c1889c7

                          SHA512

                          b9acfb5048224cb9be12e63f9ad64b85c6bc00c0eaa1b703282f23633c0d4f9b0de8e25a742c79a1d76b69b5191a63ccbd48d85ad47e61004d9630fd0935ae0e

                        • memory/1988-0-0x0000000000BBB000-0x0000000000BBC000-memory.dmp

                          Filesize

                          4KB

                        • memory/5088-12-0x0000000000400000-0x0000000000639000-memory.dmp

                          Filesize

                          2.2MB

                        • memory/5088-11-0x0000000000400000-0x0000000000639000-memory.dmp

                          Filesize

                          2.2MB

                        • memory/5088-3-0x0000000000400000-0x0000000000639000-memory.dmp

                          Filesize

                          2.2MB

                        • memory/5088-4-0x0000000000B90000-0x0000000000BE7000-memory.dmp

                          Filesize

                          348KB

                        • memory/5088-2-0x0000000000400000-0x0000000000639000-memory.dmp

                          Filesize

                          2.2MB

                        • memory/5088-1-0x0000000000400000-0x0000000000639000-memory.dmp

                          Filesize

                          2.2MB