Analysis

  • max time kernel
    34s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-11-2024 21:07

General

  • Target

    Unlock_Tool_v2.5.3.exe

  • Size

    1014KB

  • MD5

    f42bf5672f267e2c91ab15cf5e62a65b

  • SHA1

    91a7fe6ae7b7d65f1d5fd0331e5a5114e00774ba

  • SHA256

    47f4e44456ec5a1e8cd427c76bfbe12285ecf5e4e6b0d0e20114527c5948f1cd

  • SHA512

    2f76684191aa3e186db40d30a606cb0118995e80014ed5f2a2551b9e09ecf82d560fdf7837f5216ae5b51c062b7668dab7770562dd932aee9c4dd879ffdf014a

  • SSDEEP

    12288:A4tEnhbou8tI4N1dM16AO9pRL/y7NEoGYW7p9nOmeymPOtanSX3XxPWxQ1MFMHwF:BtBDay3Gho1fkdQT6mdb9eEnuvr7v

Malware Config

Extracted

Family

vidar

C2

https://t.me/gos90t

https://steamcommunity.com/profiles/76561199800374635

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

  • Detect Vidar Stealer 17 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Downloads MZ/PE file
  • Uses browser remote debugging 2 TTPs 4 IoCs

    Can be used control the browser and steal sensitive information such as credentials and session cookies.

  • 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 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • 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.

  • 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).

  • Program crash 1 IoCs
  • 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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.5.3.exe
    "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.5.3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.5.3.exe
      "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.5.3.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --remote-debugging-port=9223 --profile-directory="Default"
        3⤵
        • Uses browser remote debugging
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:2216
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef73b9758,0x7fef73b9768,0x7fef73b9778
          4⤵
            PID:2108
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:2376
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1124 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:2
              4⤵
                PID:2520
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1520 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:8
                4⤵
                  PID:2068
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1604 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:8
                  4⤵
                    PID:900
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2296 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2760
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2328 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2900
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1392 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:2
                    4⤵
                      PID:1000
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --remote-debugging-port=9223 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1400 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:1608
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3512 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:8
                      4⤵
                        PID:2660
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3636 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:8
                        4⤵
                          PID:2128
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3620 --field-trial-handle=1380,i,11902844678385388354,10066676798697688360,131072 /prefetch:8
                          4⤵
                            PID:2076
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EBGCBAFCGDAA" & exit
                          3⤵
                          • System Location Discovery: System Language Discovery
                          PID:2352
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout /t 10
                            4⤵
                            • System Location Discovery: System Language Discovery
                            • Delays execution with timeout.exe
                            PID:2344
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2280 -s 92
                        2⤵
                        • Program crash
                        PID:2668
                    • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                      "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                      1⤵
                        PID:2596

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                        Filesize

                        16B

                        MD5

                        aefd77f47fb84fae5ea194496b44c67a

                        SHA1

                        dcfbb6a5b8d05662c4858664f81693bb7f803b82

                        SHA256

                        4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                        SHA512

                        b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                        Filesize

                        264KB

                        MD5

                        f50f89a0a91564d0b8a211f8921aa7de

                        SHA1

                        112403a17dd69d5b9018b8cede023cb3b54eab7d

                        SHA256

                        b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                        SHA512

                        bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                        Filesize

                        16B

                        MD5

                        18e723571b00fb1694a3bad6c78e4054

                        SHA1

                        afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                        SHA256

                        8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                        SHA512

                        43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                      • C:\Users\Admin\AppData\Local\Temp\CabE9B5.tmp

                        Filesize

                        70KB

                        MD5

                        49aebf8cbd62d92ac215b2923fb1b9f5

                        SHA1

                        1723be06719828dda65ad804298d0431f6aff976

                        SHA256

                        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                        SHA512

                        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                      • C:\Users\Admin\AppData\Local\Temp\TarE9D7.tmp

                        Filesize

                        181KB

                        MD5

                        4ea6026cf93ec6338144661bf1202cd1

                        SHA1

                        a1dec9044f750ad887935a01430bf49322fbdcb7

                        SHA256

                        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                        SHA512

                        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                      • \ProgramData\mozglue.dll

                        Filesize

                        593KB

                        MD5

                        c8fd9be83bc728cc04beffafc2907fe9

                        SHA1

                        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

                        SHA256

                        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

                        SHA512

                        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

                      • \ProgramData\nss3.dll

                        Filesize

                        2.0MB

                        MD5

                        1cc453cdf74f31e4d913ff9c10acdde2

                        SHA1

                        6e85eae544d6e965f15fa5c39700fa7202f3aafe

                        SHA256

                        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

                        SHA512

                        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

                      • memory/2164-192-0x000000001A2D0000-0x000000001A52F000-memory.dmp

                        Filesize

                        2.4MB

                      • memory/2164-358-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-3-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-7-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-154-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-173-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-545-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-199-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-218-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-8-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2164-11-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-13-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-289-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-308-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-315-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-2-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-1-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-5-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-464-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-483-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2164-526-0x0000000000400000-0x0000000000659000-memory.dmp

                        Filesize

                        2.3MB

                      • memory/2280-0-0x0000000001455000-0x0000000001456000-memory.dmp

                        Filesize

                        4KB