Analysis

  • max time kernel
    123s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2024 23:23

General

  • Target

    546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67.exe

  • Size

    1.1MB

  • MD5

    809d6bfa7a7239d84423a36f2068426e

  • SHA1

    0e1e204e929ffd70eec137f829c007ca234aeeec

  • SHA256

    546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67

  • SHA512

    4d81ace1027d110114ca8733046401ed2f806d30aaae93a39ff66a1e40eccde7c823f8f82c6811a645001655dc49d3f5aea48b3fdd3eb7887ab4f0d39e69671d

  • SSDEEP

    24576:zEYQQljC3yuDAKKlgFNAsMnIHE1rw5pr3cLrNMTO/EraVEhaWTQht5:wYQojd9KEgFNDo1E5RMHarr5aWTK5

Malware Config

Extracted

Family

vidar

C2

https://t.me/asg7rd

https://steamcommunity.com/profiles/76561199794498376

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 13 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.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 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 17 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67.exe
    "C:\Users\Admin\AppData\Local\Temp\546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2772
    • C:\Users\Admin\AppData\Local\Temp\546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67.exe
      "C:\Users\Admin\AppData\Local\Temp\546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67.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:2844
      • 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:816
        • 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,0x7fefb979758,0x7fefb979768,0x7fefb979778
          4⤵
            PID:2536
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:2576
            • 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=1156 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:2
              4⤵
                PID:2312
              • 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=1496 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:8
                4⤵
                  PID:1804
                • 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=1572 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:8
                  4⤵
                    PID:2032
                  • 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=2320 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1592
                  • 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=2344 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2212
                  • 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=1452 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:2
                    4⤵
                      PID:3000
                    • 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=1492 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:2968
                    • 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=3468 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:8
                      4⤵
                        PID:2892
                      • 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=3604 --field-trial-handle=1228,i,15190529520411080798,8681535930770774112,131072 /prefetch:8
                        4⤵
                          PID:2976
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\546c0f8d118d343cb245782f395c205b1ad1ab1c44906059c357bcb65f2efe67.exe" & rd /s /q "C:\ProgramData\FIDAFIEBFCBK" & exit
                        3⤵
                        • Deletes itself
                        • System Location Discovery: System Language Discovery
                        PID:2824
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /t 10
                          4⤵
                          • System Location Discovery: System Language Discovery
                          • Delays execution with timeout.exe
                          PID:2800
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2772 -s 96
                      2⤵
                      • Program crash
                      PID:2456
                  • 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:2832

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • 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\Site Characteristics Database\000007.dbtmp

                      Filesize

                      16B

                      MD5

                      18e723571b00fb1694a3bad6c78e4054

                      SHA1

                      afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                      SHA256

                      8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                      SHA512

                      43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                    • C:\Users\Admin\AppData\Local\Temp\Cab4D38.tmp

                      Filesize

                      70KB

                      MD5

                      49aebf8cbd62d92ac215b2923fb1b9f5

                      SHA1

                      1723be06719828dda65ad804298d0431f6aff976

                      SHA256

                      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                      SHA512

                      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                    • C:\Users\Admin\AppData\Local\Temp\Tar4D6A.tmp

                      Filesize

                      181KB

                      MD5

                      4ea6026cf93ec6338144661bf1202cd1

                      SHA1

                      a1dec9044f750ad887935a01430bf49322fbdcb7

                      SHA256

                      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                      SHA512

                      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                    • \ProgramData\chrome.dll

                      Filesize

                      676KB

                      MD5

                      eda18948a989176f4eebb175ce806255

                      SHA1

                      ff22a3d5f5fb705137f233c36622c79eab995897

                      SHA256

                      81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

                      SHA512

                      160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

                    • \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/2772-2-0x000000000103B000-0x000000000103C000-memory.dmp

                      Filesize

                      4KB

                    • memory/2844-193-0x0000000017CC0000-0x0000000017F1F000-memory.dmp

                      Filesize

                      2.4MB

                    • memory/2844-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2844-3-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-4-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-155-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-5-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-6-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-8-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-16-0x0000000000F20000-0x0000000001041000-memory.dmp

                      Filesize

                      1.1MB

                    • memory/2844-13-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-272-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-302-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-303-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-11-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-7-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-427-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-470-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-489-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2844-508-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB