Resubmissions

09/07/2024, 00:43

240709-a2wmlaxcpj 4

09/07/2024, 00:37

240709-ayql6szcja 3

09/07/2024, 00:35

240709-axsedazbnh 3

09/07/2024, 00:32

240709-avreaswhrp 5

05/07/2024, 08:57

240705-kwn1nsvhmq 10

11/12/2023, 16:03

231211-thl4lachb3 10

Analysis

  • max time kernel
    211s
  • max time network
    583s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 00:43

General

  • Target

    wncry_sample1.exe

  • Size

    3.6MB

  • MD5

    db349b97c37d22f5ea1d1841e3c89eb4

  • SHA1

    e889544aff85ffaf8b0d0da705105dee7c97fe26

  • SHA256

    24d004a104d4d54034dbcffc2a4b19a11f39008a575aa614ea04703480b1022c

  • SHA512

    d6c60b8f22f89cbd1262c0aa7ae240577a82002fb149e9127d4edf775a25abcda4e585b6113e79ab4a24bb65f4280532529c2f06f7ffe4d5db45c0caf74fea38

  • SSDEEP

    98304:wDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3R:wDqPe1Cxcxk3ZAEUadzR8yc4gB

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\wncry_sample1.exe
    "C:\Users\Admin\AppData\Local\Temp\wncry_sample1.exe"
    1⤵
      PID:1988
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe"
      1⤵
        PID:2952
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe"
        1⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:1156
        • 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,0x7fef57f9758,0x7fef57f9768,0x7fef57f9778
          2⤵
            PID:1488
          • 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=1116 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:2
            2⤵
              PID:1848
            • 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=1512 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:8
              2⤵
                PID:784
              • 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=1536 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:8
                2⤵
                  PID:2552
                • 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 --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2248 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:1
                  2⤵
                    PID:2004
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2260 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:1
                    2⤵
                      PID:2088
                    • 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=1304 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:2
                      2⤵
                        PID:2444
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --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=3172 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:1
                        2⤵
                          PID:2856
                        • 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=3576 --field-trial-handle=1292,i,5473375397148622666,1740331975443202899,131072 /prefetch:8
                          2⤵
                            PID:2844
                        • 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:2344
                          • C:\Windows\explorer.exe
                            "C:\Windows\explorer.exe"
                            1⤵
                              PID:3040
                            • C:\Windows\system32\mspaint.exe
                              "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\CheckpointDebug.emf"
                              1⤵
                              • Drops file in Windows directory
                              • Suspicious use of SetWindowsHookEx
                              PID:1284
                            • C:\Windows\system32\rundll32.exe
                              "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\Desktop\PopUnlock.dxf
                              1⤵
                              • Modifies registry class
                              PID:1652
                            • C:\Windows\system32\mspaint.exe
                              "C:\Windows\system32\mspaint.exe" "C:\Users\Admin\Desktop\SendDismount.wmf"
                              1⤵
                              • Drops file in Windows directory
                              • Suspicious use of SetWindowsHookEx
                              PID:1952
                            • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
                              "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"
                              1⤵
                              • Suspicious use of SetWindowsHookEx
                              PID:2620
                            • C:\Program Files\Microsoft Games\solitaire\solitaire.exe
                              "C:\Program Files\Microsoft Games\solitaire\solitaire.exe"
                              1⤵
                                PID:2688

                              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\Network\Network Persistent State

                                      Filesize

                                      1KB

                                      MD5

                                      7b09eefa1628499a05afbf66ef77a646

                                      SHA1

                                      d9b79ae7fb2966aa32123c7b5651a86a2554a897

                                      SHA256

                                      7cdb00c8f458e2f25c13426135f22777f61a31ab66f48d4f7d2fe9efba93a8b3

                                      SHA512

                                      1d5e5e26aa59998cdf10aa323a65f97e43d00132c968cae5aff779ffdb0bd35db6fccb3faed916fed8b67d542475028f2aefd2ec12ea58500df96b05beeb48be

                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

                                      Filesize

                                      987B

                                      MD5

                                      134462270c35ddf38605141586a3ba09

                                      SHA1

                                      4f9ec8df8e017e76a530818aabf14c7fda5aa652

                                      SHA256

                                      b0f4724960cac6ad02c92658cf92a5a8627de9a9895e3cf069160c37a2d84478

                                      SHA512

                                      cbae0dacd6a6bdde3264ca4d8da738d26412aa428ac13d0350b7efe5e8d8eb8b14f97a8ec7ce30722fa2fbaad8bace4d713390df0b43e2d6a70a9dc2803b4064

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

                                      Filesize

                                      4KB

                                      MD5

                                      bbcc5804627a8ae8220c1305c1cc00b4

                                      SHA1

                                      13990fc710f847b82db5c75f7bdcd6585bd7e201

                                      SHA256

                                      bcf14bcc916308068c64197700d9252d9227f550bae1481d41963ac216123925

                                      SHA512

                                      4199be1b9052f799faa21e940036e5b6fbd1ba22f28d2c10c5df5692486b86255ce5eb09ad8af63fe98ae90b5bb2e853dbdeca06f12f7f6896f543d395dd919d

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

                                      Filesize

                                      4KB

                                      MD5

                                      877cd71801bb1fe10df18cdb157f9439

                                      SHA1

                                      71e38783e34cbf168bb74bdd6ef070b6c3d94409

                                      SHA256

                                      7b0740faf9a98a8556e9196c79543bb48da8fa06d6beaae835a3e51d75f6b94c

                                      SHA512

                                      3a0a7430f4e4d7a847887f23b84aa4b9d18bf0900a0626718fd1f04ed44a45ffdd8e9a8523ff1582af58359b742f6ac8578f094edc35a5c29ce8d1c7f236e4ca

                                    • 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\Google\Chrome\User Data\Default\a563aeda-f807-4db9-89b5-05f5916c4fa4.tmp

                                      Filesize

                                      4KB

                                      MD5

                                      7e69e71d2aa842df47349146b200590d

                                      SHA1

                                      f4bc1625e03f216e6a8725155484d99a897f4553

                                      SHA256

                                      7fea1bcd2f1710893311da1e9ac51d223e502fe44e8c16eab4e46f525408e79d

                                      SHA512

                                      f1956ea948fed66c409b781ce0469513232250c8d09d96cad0b18576e7e3be7514e5c6ca4f5a4b197b390cdaf6aa676c6e26092c68d034ebd6b417fb0a42bb4b

                                    • memory/1284-79-0x000007FEF3080000-0x000007FEF30CC000-memory.dmp

                                      Filesize

                                      304KB

                                    • memory/1284-82-0x000007FEF3080000-0x000007FEF30CC000-memory.dmp

                                      Filesize

                                      304KB

                                    • memory/1952-80-0x000007FEF3080000-0x000007FEF30CC000-memory.dmp

                                      Filesize

                                      304KB

                                    • memory/1952-81-0x000007FEF3080000-0x000007FEF30CC000-memory.dmp

                                      Filesize

                                      304KB

                                    • memory/2688-118-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-131-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-96-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-121-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-120-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-119-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-98-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-117-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-116-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-129-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-128-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-132-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-133-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-97-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-130-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-139-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-138-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-137-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-136-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-135-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-134-0x0000000002180000-0x000000000218A000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-99-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-159-0x00000000002D0000-0x00000000002D4000-memory.dmp

                                      Filesize

                                      16KB

                                    • memory/2688-100-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB

                                    • memory/2688-101-0x00000000002D0000-0x00000000002DA000-memory.dmp

                                      Filesize

                                      40KB