Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-02-2025 15:03

General

  • Target

    Setup.exe

  • Size

    131KB

  • MD5

    abf2df1aba1a934b229a5c6c26954414

  • SHA1

    18ee222087a4f65366a24df3998f17e760ad7aa2

  • SHA256

    29c88d185c4c1bee7944a0dc0a53bb5809eba3691b147a8361300b5a2572e350

  • SHA512

    ec19194c5ee91d59c3681f50ffd0b7a8afe1dd65b835418f136e9b4185465b16bb286ed60d77f816421c4d4af80806576dbce351a224975e63ed1ce10cdb280d

  • SSDEEP

    3072:/dK22H8N0c2rPy+nm493gs39GgFNTIGHSxYld4RTV82Sq0:168mPD93ga7yeSgq0

Malware Config

Extracted

Family

vidar

C2

https://t.me/g02f04

https://steamcommunity.com/profiles/76561199828130190

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/131.0.0.0 Safari/537.36 OPR/116.0.0.0

Signatures

  • Detect Vidar Stealer 14 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Uses browser remote debugging 2 TTPs 4 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

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

  • 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\Setup.exe
      "C:\Users\Admin\AppData\Local\Temp\Setup.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2832
      • 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:1040
        • 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,0x7fefb8d9758,0x7fefb8d9768,0x7fefb8d9778
          4⤵
            PID:1656
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:2240
            • 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=1140 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:2
              4⤵
                PID:236
              • 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=1480 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:8
                4⤵
                  PID:2772
                • 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=1584 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:8
                  4⤵
                    PID:2308
                  • 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=2224 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:1632
                  • 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=2244 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2472
                  • 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=1560 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:2
                    4⤵
                      PID:1468
                    • 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=3268 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:2372
                    • 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=3496 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:8
                      4⤵
                        PID:2320
                      • 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=3612 --field-trial-handle=1280,i,15169099090276758894,17651007876757581251,131072 /prefetch:8
                        4⤵
                          PID:1280
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 76
                      2⤵
                      • Program crash
                      PID:1076
                  • 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:2784

                    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\Cab8068.tmp

                      Filesize

                      70KB

                      MD5

                      49aebf8cbd62d92ac215b2923fb1b9f5

                      SHA1

                      1723be06719828dda65ad804298d0431f6aff976

                      SHA256

                      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                      SHA512

                      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                    • C:\Users\Admin\AppData\Local\Temp\Tar80B9.tmp

                      Filesize

                      181KB

                      MD5

                      4ea6026cf93ec6338144661bf1202cd1

                      SHA1

                      a1dec9044f750ad887935a01430bf49322fbdcb7

                      SHA256

                      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                      SHA512

                      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                    • memory/1612-0-0x000000007496E000-0x000000007496F000-memory.dmp

                      Filesize

                      4KB

                    • memory/1612-1-0x0000000000F40000-0x0000000000F68000-memory.dmp

                      Filesize

                      160KB

                    • memory/1612-19-0x0000000074960000-0x000000007504E000-memory.dmp

                      Filesize

                      6.9MB

                    • memory/1612-146-0x0000000074960000-0x000000007504E000-memory.dmp

                      Filesize

                      6.9MB

                    • memory/2832-13-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-185-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-20-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-18-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-3-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-7-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-9-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-165-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-184-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-15-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                      Filesize

                      4KB

                    • memory/2832-204-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-11-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-4-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-5-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-264-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-291-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-294-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-316-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                    • memory/2832-335-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB