Analysis

  • max time kernel
    104s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2024 17:01

General

  • Target

    fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe

  • Size

    1.2MB

  • MD5

    39dc4e7aa1db2a3eb2443ea94fc30810

  • SHA1

    e99a14c9c19a38e65ba11cf553cd0caa7a99a99a

  • SHA256

    fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867

  • SHA512

    c1ab6354dd79f025cbca5195598672ad436a48ba5fe8b9716db206f15abe5fff41b896f0aebeb009cc2e510667944649c5a4c7ee518d3e33ba432ea2dbffee2b

  • SSDEEP

    24576:bI4I50fsFt+jC1OVomH2F5ZdUDY+rRaGDqdmnJpRpaeya7lk2Zrxb:m50ItCGmY5Zd+rRJDqdCpfacCMB

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 7 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 1 IoCs
  • 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 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe
    "C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2112
    • C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe
      "C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe"
      2⤵
        PID:2776
      • C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe
        "C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe"
        2⤵
          PID:2792
        • C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe
          "C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe"
          2⤵
            PID:2796
          • C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe
            "C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe"
            2⤵
              PID:2804
            • C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe
              "C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe"
              2⤵
                PID:2816
              • C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.exe
                "C:\Users\Admin\AppData\Local\Temp\fc279f2d04c64f49776605d028fd002930a803a49ff4711847b5025a76de1867N.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:2780
                • 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:1048
                  • 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,0x7fef6ec9758,0x7fef6ec9768,0x7fef6ec9778
                    4⤵
                      PID:1996
                    • C:\Windows\system32\ctfmon.exe
                      ctfmon.exe
                      4⤵
                        PID:2336
                      • 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=1072 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:2
                        4⤵
                          PID:2896
                        • 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=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:8
                          4⤵
                            PID:2448
                          • 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=1628 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:8
                            4⤵
                              PID:2340
                            • 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=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:1
                              4⤵
                              • Uses browser remote debugging
                              PID:2704
                            • 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=2332 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:1
                              4⤵
                              • Uses browser remote debugging
                              PID:2564
                            • 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=1272 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:2
                              4⤵
                                PID:968
                              • 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=1280 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:1
                                4⤵
                                • Uses browser remote debugging
                                PID:2792
                              • 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=3488 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:8
                                4⤵
                                  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=3600 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:8
                                  4⤵
                                    PID:1984
                                  • 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=2200 --field-trial-handle=1264,i,8590025286308744141,7490855208649878638,131072 /prefetch:8
                                    4⤵
                                      PID:2396
                                  • C:\Windows\SysWOW64\WerFault.exe
                                    C:\Windows\SysWOW64\WerFault.exe -u -p 2780 -s 1528
                                    3⤵
                                    • Program crash
                                    PID:1708
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 96
                                  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:1808

                                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\Preferences

                                  Filesize

                                  5KB

                                  MD5

                                  53062354291b81d69ee8ba23a8f803f1

                                  SHA1

                                  f2c08fdfe89f4d7152bba6f058b2ccbe32de2d51

                                  SHA256

                                  966b5e0a43e61ccceb6aad6ab47412d29577787fd15d95e39af260eff8c446c5

                                  SHA512

                                  ad06df44cfd53d33db48296848852facf1f1a0d019372564ca9d133e8ca8645309f9920a434357fc9d8ba93ca4f84973dd7166b50ec958a633e22f38b2a8a0a3

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

                                  Filesize

                                  5KB

                                  MD5

                                  3ddabb7d8806fa4c46f66d36818dc73f

                                  SHA1

                                  d469be28546cc7f8c44faa8743448947c306a0c1

                                  SHA256

                                  fa76be92c8600b0994f7a3825b52adadbf2339b82a57b19bdcc520f49ced9229

                                  SHA512

                                  1aa38bf88f29d9128947661d09f491560a77cefb199ff39602a5f28f2aead1bf797c300861d2e483780417128c48aa634871d5b97683400c500c3da87490978c

                                • 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\Cab1872.tmp

                                  Filesize

                                  70KB

                                  MD5

                                  49aebf8cbd62d92ac215b2923fb1b9f5

                                  SHA1

                                  1723be06719828dda65ad804298d0431f6aff976

                                  SHA256

                                  b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                                  SHA512

                                  bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

                                • C:\Users\Admin\AppData\Local\Temp\Tar1885.tmp

                                  Filesize

                                  181KB

                                  MD5

                                  4ea6026cf93ec6338144661bf1202cd1

                                  SHA1

                                  a1dec9044f750ad887935a01430bf49322fbdcb7

                                  SHA256

                                  8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                                  SHA512

                                  6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                                • \ProgramData\chrome.dll

                                  Filesize

                                  676KB

                                  MD5

                                  eda18948a989176f4eebb175ce806255

                                  SHA1

                                  ff22a3d5f5fb705137f233c36622c79eab995897

                                  SHA256

                                  81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

                                  SHA512

                                  160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85

                                • memory/2112-0-0x00000000000AD000-0x00000000000AE000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2780-11-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-1-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-2-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-153-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-172-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-191-0x000000001A580000-0x000000001A7DF000-memory.dmp

                                  Filesize

                                  2.4MB

                                • memory/2780-4-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-5-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-14-0x0000000000060000-0x00000000001A2000-memory.dmp

                                  Filesize

                                  1.3MB

                                • memory/2780-6-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/2780-9-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB

                                • memory/2780-3-0x0000000000400000-0x0000000000700000-memory.dmp

                                  Filesize

                                  3.0MB