Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 15:47

General

  • Target

    build.exe

  • Size

    196KB

  • MD5

    11f55c34bc3a925022890e513d97b1af

  • SHA1

    c5e84d0973494f2ba79dc952d401e09e36d6d13f

  • SHA256

    e6ecece69a1919271ece2bbe62c2fde40d29aa539bd3bc18d4b626deef423afc

  • SHA512

    bfd5b754059f4afd17352f6d9570173a11d36bc52875017be58f0d78836b279df00c0fb49a34644e5c89ce7252a173607ccd5d61156bc2df49431d73849e698e

  • SSDEEP

    3072:WKHsQPsIH+WQuCw5fp4b/7XHrRKl/OiJeNKUjQHFZy+j6WafP:ROvu5fp4Dcl/OMeNfsrjiX

Malware Config

Extracted

Family

vidar

Botnet

ir7am

C2

https://t.me/l793oy

https://steamcommunity.com/profiles/76561199829660832

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 28 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 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\build.exe
    "C:\Users\Admin\AppData\Local\Temp\build.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Users\Admin\AppData\Local\Temp\build.exe
      "C:\Users\Admin\AppData\Local\Temp\build.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:2272
      • 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:2444
        • 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,0x7fef7099758,0x7fef7099768,0x7fef7099778
          4⤵
            PID:1604
          • C:\Windows\system32\ctfmon.exe
            ctfmon.exe
            4⤵
              PID:772
            • 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=1128 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:2
              4⤵
                PID:2776
              • 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=1468 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:8
                4⤵
                  PID:2808
                • 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=1564 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:8
                  4⤵
                    PID:2736
                  • 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=2312 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2316
                  • 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=2320 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:1
                    4⤵
                    • Uses browser remote debugging
                    PID:2276
                  • 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=1432 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:2
                    4⤵
                      PID:2408
                    • 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=1396 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:1
                      4⤵
                      • Uses browser remote debugging
                      PID:828
                    • 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=3492 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:8
                      4⤵
                        PID:1252
                      • 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=3608 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:8
                        4⤵
                          PID:296
                        • 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=3492 --field-trial-handle=1252,i,11143307410233927326,1498576568040035538,131072 /prefetch:8
                          4⤵
                            PID:1760
                        • C:\Windows\SysWOW64\cmd.exe
                          "C:\Windows\system32\cmd.exe" /c timeout /t 11 & rd /s /q "C:\ProgramData\lnyu3" & exit
                          3⤵
                          • System Location Discovery: System Language Discovery
                          PID:2004
                          • C:\Windows\SysWOW64\timeout.exe
                            timeout /t 11
                            4⤵
                            • System Location Discovery: System Language Discovery
                            • Delays execution with timeout.exe
                            PID:2828
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 500
                        2⤵
                        • Program crash
                        PID:2464
                    • 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:2944

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

                        Filesize

                        71KB

                        MD5

                        83142242e97b8953c386f988aa694e4a

                        SHA1

                        833ed12fc15b356136dcdd27c61a50f59c5c7d50

                        SHA256

                        d72761e1a334a754ce8250e3af7ea4bf25301040929fd88cf9e50b4a9197d755

                        SHA512

                        bb6da177bd16d163f377d9b4c63f6d535804137887684c113cc2f643ceab4f34338c06b5a29213c23d375e95d22ef417eac928822dfb3688ce9e2de9d5242d10

                      • 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\TarC836.tmp

                        Filesize

                        183KB

                        MD5

                        109cab5505f5e065b63d01361467a83b

                        SHA1

                        4ed78955b9272a9ed689b51bf2bf4a86a25e53fc

                        SHA256

                        ea6b7f51e85835c09259d9475a7d246c3e764ad67c449673f9dc97172c351673

                        SHA512

                        753a6da5d6889dd52f40208e37f2b8c185805ef81148682b269fff5aa84a46d710fe0ebfe05bce625da2e801e1c26745998a41266fa36bf47bc088a224d730cc

                      • memory/2016-16-0x0000000074AC0000-0x00000000751AE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2016-1-0x0000000000340000-0x0000000000378000-memory.dmp

                        Filesize

                        224KB

                      • memory/2016-247-0x0000000074AC0000-0x00000000751AE000-memory.dmp

                        Filesize

                        6.9MB

                      • memory/2016-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2272-223-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-10-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-15-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-17-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-5-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-6-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-7-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-176-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-197-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-202-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-8-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-226-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-9-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-251-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-272-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-276-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-277-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-3-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-304-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-11-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                        Filesize

                        4KB

                      • memory/2272-340-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-13-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-4-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-393-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-396-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-419-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-440-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-441-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-462-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-503-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-524-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-525-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB

                      • memory/2272-588-0x0000000000400000-0x0000000000429000-memory.dmp

                        Filesize

                        164KB