Resubmissions

23-06-2024 18:06

240623-wp2tqssbpj 3

23-06-2024 18:04

240623-wnmy7aybrf 1

14-06-2024 20:34

240614-zcpkesyejk 10

Analysis

  • max time kernel
    26s
  • max time network
    66s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-06-2024 18:04

General

  • Target

    us.txt

  • Size

    173B

  • MD5

    6b6c81989aa83c39a795eec2ea4692d7

  • SHA1

    91c2949ba4e3832b32d7c9e3083d265cebaf69b4

  • SHA256

    f4682ac003ffe913d397b9f2f5d3a4e251feae26e704827e1f495d9240b17e20

  • SHA512

    6e13df78169a1a0f8dc8069aaec1da8a12db976fe57fecf30d59dfc6a0820c7e45d1b90187ac4763fbefdafb8313a8523a5f954f882b3891c7ed9d8ee5ce069a

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 26 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\us.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1800
  • 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:636
    • 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,0x7fef6c49758,0x7fef6c49768,0x7fef6c49778
      2⤵
        PID:2036
      • 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=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:2
        2⤵
          PID:2604
        • 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=1504 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:8
          2⤵
            PID:2948
          • 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=1604 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:8
            2⤵
              PID:2652
            • 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=2296 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:1
              2⤵
                PID:2748
              • 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=2304 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:1
                2⤵
                  PID:2868
                • 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=1416 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:2
                  2⤵
                    PID:1544
                  • 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=3192 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:1
                    2⤵
                      PID:2280
                    • 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=3168 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:8
                      2⤵
                        PID:2300
                      • 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=3560 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:8
                        2⤵
                          PID:2912
                        • 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=3672 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:8
                          2⤵
                            PID:1708
                          • 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=12 --mojo-platform-channel-handle=3712 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:1
                            2⤵
                              PID:2776
                            • 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=13 --mojo-platform-channel-handle=3860 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:1
                              2⤵
                                PID:1700
                              • 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=4092 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:8
                                2⤵
                                  PID:592
                                • 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=15 --mojo-platform-channel-handle=2328 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:1
                                  2⤵
                                    PID:772
                                  • 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=3864 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:8
                                    2⤵
                                      PID:1928
                                    • 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=17 --mojo-platform-channel-handle=3856 --field-trial-handle=1284,i,5154670391224754074,5946472884974065380,131072 /prefetch:1
                                      2⤵
                                        PID:1684
                                    • 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:1324

                                      Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

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

                                        Filesize

                                        70KB

                                        MD5

                                        49aebf8cbd62d92ac215b2923fb1b9f5

                                        SHA1

                                        1723be06719828dda65ad804298d0431f6aff976

                                        SHA256

                                        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                                        SHA512

                                        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

                                        Filesize

                                        342B

                                        MD5

                                        70428e836974f1168c5ef9ffb741dfc6

                                        SHA1

                                        1c838c7025ea3b057b3c77c0ecb1443721838989

                                        SHA256

                                        844f5b5166684437f891219bcc3163ee57bb369e09ee96d0e7a430d0c618d313

                                        SHA512

                                        bfea28e4d8dfc3846dd8f150d4bc97015dac658e386c13610fd696c9c0aa5b071c7aef94e92083c6826dd0b0511eb485258247683f431112c9a3f411f4724e2c

                                      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000012

                                        Filesize

                                        20KB

                                        MD5

                                        87e8230a9ca3f0c5ccfa56f70276e2f2

                                        SHA1

                                        eb116c8fd20cb2f85b7a942c7dae3b0ed6d27fe7

                                        SHA256

                                        e18d7214e7d3d47d913c0436f5308b9296ca3c6cd34059bf9cbf03126bafafe9

                                        SHA512

                                        37690a81a9e48b157298080746aa94289a4c721c762b826329e70b41ba475bb0261d048f9ab8e7301e43305c5ebf53246c20da8cd001130bf156e8b3bd38b9b8

                                      • 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\TransportSecurity

                                        Filesize

                                        527B

                                        MD5

                                        0c08913557e8b3171aa1e0b33644627c

                                        SHA1

                                        bb23987da5cd1a3928f8cd0313fa858b5dad055f

                                        SHA256

                                        5f28740342683d43ea5ae5213f01496f4c0b7eeb066ea99e336fea7e90c5624a

                                        SHA512

                                        948346180d794c4282807a42cc6af361337456b09b1135123bdf50bb654ee590820ce647e4633b3d90302678bbe4e8825b474ab62e5299cd9de89f3214f2eefc

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

                                        Filesize

                                        6KB

                                        MD5

                                        1866d4d72db2763badbab911062e5f4d

                                        SHA1

                                        efa6525c0b2ce8284c0e7ba64ce5c4209a8cb3ae

                                        SHA256

                                        a71a5caae42ffdc61b6ea20d67474770a95ea48556a3a95b447b6225fbd9ec39

                                        SHA512

                                        973371b4853e30fd5ae86ef3934cd6953d3475bbe644de28e2cd41d237c489546235ec77cf2403a17668405451a8d2bb64e273e3320ee277f738617303cb6fa1

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

                                        Filesize

                                        5KB

                                        MD5

                                        e296cda4b48b4a205cb73d10042b381d

                                        SHA1

                                        3de8252fc30dafe5f86fe0573b5e1f2fdb5d18fc

                                        SHA256

                                        46ff819edd159b32667fa9cb084ac77d6d3a5be4d460c95b6782a7b649b6800c

                                        SHA512

                                        4a6993b87d7def2c97a7f17153a008ac3df658f1a1389492ccb21dd86c15062269f865d4dba2ab22c5b993dc3342805653c24f3ab89e57601745c2c339020719

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

                                        Filesize

                                        5KB

                                        MD5

                                        e6d4724aefe7ac6dc07d774823c63110

                                        SHA1

                                        e934ca74d68465bc7acd811d59e867250220f491

                                        SHA256

                                        4ce68287cabf39dd22e1d1a89f6606ae542abbd5c54b10e7dbdf86f34a456b6e

                                        SHA512

                                        1c7b0f2b77f2ee91962eec681e9667f975d1f53edb311be4b921adf35a378835c19788c8480777c833c7161cb2bf9255d697fe6ee1c5e2d9d54c53db77f661ff

                                      • 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\Local State

                                        Filesize

                                        281KB

                                        MD5

                                        dc890e7b9d9047843de470d8d1437aa7

                                        SHA1

                                        f0327cfa4274b07ec1c9b6441432dcb97dd4251a

                                        SHA256

                                        eb83f8842223968152dc2864528100aac28753acdb60c71c5eb9dcdb124da79a

                                        SHA512

                                        02588e8f3de891737618ebaad26c68364753123363cf50c4557610309df3c3ce30b5c2ab3d25369492224074247844d0e355bd51b3835a93e11d47245682c251

                                      • C:\Users\Admin\AppData\Local\Temp\Tar9100.tmp

                                        Filesize

                                        181KB

                                        MD5

                                        4ea6026cf93ec6338144661bf1202cd1

                                        SHA1

                                        a1dec9044f750ad887935a01430bf49322fbdcb7

                                        SHA256

                                        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                                        SHA512

                                        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

                                      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\5d696d521de238c3.customDestinations-ms~RFf77280a.TMP

                                        Filesize

                                        7KB

                                        MD5

                                        a00df3a6c8c950f1621581e26b9fa580

                                        SHA1

                                        4ade9f83c6eeb6b457de9f2c0ff7cac3fe7f0bc4

                                        SHA256

                                        2601a03a2235b50ab40f7b0d5a116c3225815091667b0b53250e5840663904b5

                                        SHA512

                                        f9aff0b715147c6bc3b57ec24f7d8631743b7d20b3d771348766ab4f96ea7578ddc6ac6866276868ea15996fa1df1951a562a8771d605e13c08193b28af9ad85