Analysis

  • max time kernel
    118s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2024 17:34

General

  • Target

    544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe

  • Size

    1.1MB

  • MD5

    3dda292f77b97dfbdc3e00053784a136

  • SHA1

    824be91ad1f3422204b8b6368f481c47d5c41338

  • SHA256

    544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da

  • SHA512

    62a7432fb8e4b6a4e1eb0918642d4bee02e55e239d90ce8fc16e4441694c435c11d53a71ac47adf82603679de3b5e7e22dec749394d3c95790c40ce01bf31ca2

  • SSDEEP

    24576:LSeqDj22FCrg559kuT8TBNRU5Vg/8HuvKHR4uCc9lnlJkYn:LhqXlr55XTU3RQ3HWKx1C6ZlJkYn

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.

  • 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).

  • 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 25 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\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe
    "C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.exe
      "C:\Users\Admin\AppData\Local\Temp\544cea9044d4f6cdedc6d41700c7db44194e3ccf1a467bce15b7e013e7b388da.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:2708
      • 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:332
        • 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,0x7fef73d9758,0x7fef73d9768,0x7fef73d9778
          4⤵
            PID:1672
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:1292
            • 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=1164 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:2
              4⤵
                PID:1844
              • 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=1516 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:8
                4⤵
                  PID:1588
                • 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=1612 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:8
                  4⤵
                    PID:1040
                  • 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=1608 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2024
                  • 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=2108 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1960
                  • 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=1288 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:2
                    4⤵
                      PID:2876
                    • 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=1164 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:592
                    • 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=3484 --field-trial-handle=1228,i,15789433237496812299,6142141193306427395,131072 /prefetch:8
                      4⤵
                        PID:1956
                      • 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,15789433237496812299,6142141193306427395,131072 /prefetch:8
                        4⤵
                          PID:2304
                      • C:\Windows\SysWOW64\cmd.exe
                        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGIIIECBGDHJ" & exit
                        3⤵
                        • System Location Discovery: System Language Discovery
                        PID:2224
                        • C:\Windows\SysWOW64\timeout.exe
                          timeout /t 10
                          4⤵
                          • System Location Discovery: System Language Discovery
                          • Delays execution with timeout.exe
                          PID:2400
                  • 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:2600

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

                      Filesize

                      1KB

                      MD5

                      a266bb7dcc38a562631361bbf61dd11b

                      SHA1

                      3b1efd3a66ea28b16697394703a72ca340a05bd5

                      SHA256

                      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

                      SHA512

                      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

                    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

                      Filesize

                      242B

                      MD5

                      5b8448df2bc49b861f9db272e20b8a09

                      SHA1

                      dd3d7a17306f7b0906cfa9cec846d27d0e9528f8

                      SHA256

                      df95871e81e198e6c8760b6092c6bfa8b17e1b8a8d449234ce3a63df08bdf1ef

                      SHA512

                      a05ba8f7f78d036102cc2a07b568d9e7cb18c277b0a237162414defbf84aa66b0f0f2d6d98a64274f333a6b5eca59f7243168cf9b2191ec852d856d70f66d352

                    • 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\CabF874.tmp

                      Filesize

                      70KB

                      MD5

                      49aebf8cbd62d92ac215b2923fb1b9f5

                      SHA1

                      1723be06719828dda65ad804298d0431f6aff976

                      SHA256

                      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                      SHA512

                      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                    • C:\Users\Admin\AppData\Local\Temp\TarF897.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/2280-0-0x0000000000DDF000-0x0000000000DE0000-memory.dmp

                      Filesize

                      4KB

                    • memory/2708-11-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-297-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-153-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-190-0x00000000181A0000-0x00000000183FF000-memory.dmp

                      Filesize

                      2.4MB

                    • memory/2708-4-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-5-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-9-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-14-0x0000000000CC0000-0x0000000000DE6000-memory.dmp

                      Filesize

                      1.1MB

                    • memory/2708-266-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-3-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2708-6-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-421-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-440-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-483-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-506-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-507-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-2-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB

                    • memory/2708-1-0x0000000000400000-0x0000000000700000-memory.dmp

                      Filesize

                      3.0MB