Analysis

  • max time kernel
    299s
  • max time network
    304s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    19/07/2024, 20:50

General

  • Target

    wu.zip

  • Size

    2.0MB

  • MD5

    b5442b9d781c1ded5256a10e1c0ca694

  • SHA1

    cb58f3acbbe0ce3e40d2e9909a032828498a81d5

  • SHA256

    1226908774e8d305f882a279ed6db87d18cabe4086a466320bfd9b9158c610b8

  • SHA512

    913144262eef44ea457e2d19b94dec322ceb949507ca5ef3a87f14ca6b9e94a55058263e5b6071c3e960d8ee4327ef0b367964c92351366dcd34a2fc24a9c8c1

  • SSDEEP

    49152:lTtLpSOFo+rL23O7hoM+o4HYGTSqjGSlRHgTTFlX1a+zY:FtdSVTOMomTSYATFlX11zY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.exe
    C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\wu.zip
    1⤵
      PID:2192
    • C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe"
      1⤵
        PID:2668
        • C:\Users\Admin\AppData\Local\Temp\wu.exe
          wu dbs.ini /r /i
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: CmdExeWriteProcessMemorySpam
          • Suspicious use of SetWindowsHookEx
          PID:544
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe"
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:2800
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe"
          2⤵
          • Checks processor information in registry
          • Modifies registry class
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:2808
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.0.598756716\26764802" -parentBuildID 20221007134813 -prefsHandle 1248 -prefMapHandle 1240 -prefsLen 20847 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {d3a7e157-af16-4c56-9cad-3fbe2ca5e7a6} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 1312 45d1e58 gpu
            3⤵
              PID:2652
            • C:\Program Files\Mozilla Firefox\firefox.exe
              "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.1.321308125\1491945225" -parentBuildID 20221007134813 -prefsHandle 1504 -prefMapHandle 1500 -prefsLen 20928 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {dafc542d-7447-4bc9-8eab-3601afff1b55} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 1516 e70a58 socket
              3⤵
                PID:2660
              • C:\Program Files\Mozilla Firefox\firefox.exe
                "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.2.1238735219\834040311" -childID 1 -isForBrowser -prefsHandle 2076 -prefMapHandle 2072 -prefsLen 20966 -prefMapSize 233444 -jsInitHandle 836 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {855d40f9-1570-4fae-ab61-f484d6568815} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 2088 19880358 tab
                3⤵
                  PID:2836
                • C:\Program Files\Mozilla Firefox\firefox.exe
                  "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.3.14106469\421724207" -childID 2 -isForBrowser -prefsHandle 2420 -prefMapHandle 1796 -prefsLen 26216 -prefMapSize 233444 -jsInitHandle 836 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {911e5532-565c-4ff0-9760-d2c367a2ddf6} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 2440 e62258 tab
                  3⤵
                    PID:1912
                  • C:\Program Files\Mozilla Firefox\firefox.exe
                    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.4.1914585207\772722408" -childID 3 -isForBrowser -prefsHandle 2812 -prefMapHandle 2808 -prefsLen 26216 -prefMapSize 233444 -jsInitHandle 836 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {032b3384-360e-4d23-952b-da95648a1dd6} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 2840 1b7b9858 tab
                    3⤵
                      PID:268
                    • C:\Program Files\Mozilla Firefox\firefox.exe
                      "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.5.395936190\125887668" -childID 4 -isForBrowser -prefsHandle 3912 -prefMapHandle 3908 -prefsLen 26356 -prefMapSize 233444 -jsInitHandle 836 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {24ce5131-73b6-4a8a-ba7a-01663535fd62} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 3924 1e311258 tab
                      3⤵
                        PID:2296
                      • C:\Program Files\Mozilla Firefox\firefox.exe
                        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.6.1019632081\1702644529" -childID 5 -isForBrowser -prefsHandle 4036 -prefMapHandle 4040 -prefsLen 26356 -prefMapSize 233444 -jsInitHandle 836 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {a719b08d-9e8d-45de-aa0e-a8d340d2f731} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 4024 1f443358 tab
                        3⤵
                          PID:2520
                        • C:\Program Files\Mozilla Firefox\firefox.exe
                          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2808.7.1663643068\593557955" -childID 6 -isForBrowser -prefsHandle 4216 -prefMapHandle 4220 -prefsLen 26356 -prefMapSize 233444 -jsInitHandle 836 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -appDir "C:\Program Files\Mozilla Firefox\browser" - {51645ae3-a244-42dd-8fc5-f6628c5d0751} 2808 "\\.\pipe\gecko-crash-server-pipe.2808" 4204 1f441258 tab
                          3⤵
                            PID:1548
                      • C:\Windows\explorer.exe
                        "C:\Windows\explorer.exe"
                        1⤵
                          PID:1860
                        • C:\Program Files\7-Zip\7zG.exe
                          "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\AppData\Local\Temp\" -an -ai#7zMap32208:84:7zEvent15493
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          • Suspicious use of FindShellTrayWindow
                          PID:3016

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\pzuz3epu.default-release\activity-stream.discovery_stream.json.tmp

                          Filesize

                          23KB

                          MD5

                          467ea1a8c9a3261f36cd0eaa248de82f

                          SHA1

                          1872657e5bf37d03f35622035b7f01d09358ba87

                          SHA256

                          c0ae905d0b771577a35d4b98010fd7c3447d5276508a052bd7278bbfbbcfa3c4

                          SHA512

                          217d3c76578c70b77b5a1e487b7de005e6cfdcf7c473dd38edf41f9e77404858f34a543af29918b8c48978da885d2a477658a1ce1a5e0a1e88de9fe1d1d7ec4b

                        • C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\pzuz3epu.default-release\cache2\entries\8A2034D325DC0B5C9E11EDDA3FC70A54C8DC1C0D

                          Filesize

                          13KB

                          MD5

                          08b55a3b77aee5ad57746afce7389acf

                          SHA1

                          77647fc55e01f9673fd0157d625909a9f5961f7d

                          SHA256

                          9dee6294f5358740f98ab3fa3b27c00c53c278c8c813bf9fb31fe42aead1d305

                          SHA512

                          5a4d573d747914f9e0aa3ec75e31ed84f81df98b7392a6a93f0b2c7f95c46fba70b5ae2f4cd85ae2ed86602dc1a23b76f88379f8bec490c0a9494086eb543e95

                        • C:\Users\Admin\AppData\Local\Temp\tmpaddon

                          Filesize

                          442KB

                          MD5

                          85430baed3398695717b0263807cf97c

                          SHA1

                          fffbee923cea216f50fce5d54219a188a5100f41

                          SHA256

                          a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

                          SHA512

                          06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

                        • C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

                          Filesize

                          8.0MB

                          MD5

                          a01c5ecd6108350ae23d2cddf0e77c17

                          SHA1

                          c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

                          SHA256

                          345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

                          SHA512

                          b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

                        • C:\Users\Admin\AppData\Local\Temp\wu.exe

                          Filesize

                          4.5MB

                          MD5

                          7a561ae855ed7ed847ff23d5e4968085

                          SHA1

                          6627b693db3a58d7e1c39c38b9ceb46831851d44

                          SHA256

                          7751d1a8bab64fef2f76ef21eff9b6ea128f4eb62fac3e622b0301fce182a572

                          SHA512

                          0d3c22f28e468bea58d17eb65892d4dbf1af4b1c69ce2612996464bf2986234332479a41ddb2409b38d0d44f3e258dbfb0620bf544b6b416884ac4c0af5aae9d

                        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\6824f4a902c78fbd.customDestinations-ms

                          Filesize

                          5KB

                          MD5

                          1d2c85c7cb67eecf8c22a0df9a538580

                          SHA1

                          b41d4f3f2a0be2a4c3f98ff989f767477e48532b

                          SHA256

                          3571b2c90bbd50fd2545441e9a9c19c2298225d7a48c39689d54e66dbc630b59

                          SHA512

                          102d1494b381c6d0e2325910d088df333e9267a534bdad64533094e2301def1eff4dd3377d30eded57b59210101ccb3420c792741da083654448ce0738cb2198

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\datareporting\glean\db\data.safe.bin

                          Filesize

                          2KB

                          MD5

                          699be64da70f4088f3c4deeb36e1e4eb

                          SHA1

                          f740dcaa2acabd1e77de1f0c11bb53d74feb9493

                          SHA256

                          f38260b28b75c47577ffc1606b5d3bf7e324488bd0c297bc0e7dc72d3a85e9d8

                          SHA512

                          b0ce71f0fa7b73d9730e1055c45c3cb1a9bb945a02136076d6b541f0ccdb52cd0d81317b0c9d7d5214cde8fb0fbeaad673ba2c420bb966b8d1d32903b40a6f7d

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\datareporting\glean\pending_pings\789ef7ca-3ceb-42aa-877f-e187f1255182

                          Filesize

                          745B

                          MD5

                          2e83f7513570be5cebc46d4eb805985c

                          SHA1

                          7c60550d52f5f6b77f384fe509a313b20c153e2d

                          SHA256

                          5e7ceeaf4762eecd04a70f938eb49b04f4af9ab2b164ac5e87a055e82ef6a4ac

                          SHA512

                          a87fde367b6485a5d69c27a79768053b92fc08ccd16e179f9f3b77dcf41aa0e0d02004855c0e8eb02f564a79052d4eee65a1659f1d1ae987ea77d1f88942d1fa

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\datareporting\glean\pending_pings\c41c899d-f62b-4ab9-8518-efed422e5625

                          Filesize

                          13KB

                          MD5

                          c01edfbf73def052ffaae936e4bcafd2

                          SHA1

                          bc8184ff0b117f5dc54da749f91f1c4e3fc06bac

                          SHA256

                          9030eefcfef93101a2eee42b8e77de5049c84b43350b72504882fcee918e6c97

                          SHA512

                          d6825a7dda5e279b0dac005b29de8cc0ebcc5795c5c5d8e0c792699028dfad476a438b6e274032c7a782ed33c9effc5bd5dd9a4bc95b693daba6b0616c64d490

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll

                          Filesize

                          997KB

                          MD5

                          fe3355639648c417e8307c6d051e3e37

                          SHA1

                          f54602d4b4778da21bc97c7238fc66aa68c8ee34

                          SHA256

                          1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

                          SHA512

                          8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info

                          Filesize

                          116B

                          MD5

                          3d33cdc0b3d281e67dd52e14435dd04f

                          SHA1

                          4db88689282fd4f9e9e6ab95fcbb23df6e6485db

                          SHA256

                          f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

                          SHA512

                          a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt

                          Filesize

                          479B

                          MD5

                          49ddb419d96dceb9069018535fb2e2fc

                          SHA1

                          62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

                          SHA256

                          2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

                          SHA512

                          48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json

                          Filesize

                          372B

                          MD5

                          8be33af717bb1b67fbd61c3f4b807e9e

                          SHA1

                          7cf17656d174d951957ff36810e874a134dd49e0

                          SHA256

                          e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

                          SHA512

                          6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll

                          Filesize

                          11.8MB

                          MD5

                          33bf7b0439480effb9fb212efce87b13

                          SHA1

                          cee50f2745edc6dc291887b6075ca64d716f495a

                          SHA256

                          8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

                          SHA512

                          d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib

                          Filesize

                          1KB

                          MD5

                          688bed3676d2104e7f17ae1cd2c59404

                          SHA1

                          952b2cdf783ac72fcb98338723e9afd38d47ad8e

                          SHA256

                          33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

                          SHA512

                          7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig

                          Filesize

                          1KB

                          MD5

                          937326fead5fd401f6cca9118bd9ade9

                          SHA1

                          4526a57d4ae14ed29b37632c72aef3c408189d91

                          SHA256

                          68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

                          SHA512

                          b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\prefs-1.js

                          Filesize

                          6KB

                          MD5

                          d35f137b76980258b586423f7f934dcc

                          SHA1

                          fd9b8b4a10bf81383f263179f93f935dd3ed627b

                          SHA256

                          e5ebf826406a9d14edb97b172131ce732d53dc5ffa15ead5f9fdf8122676b531

                          SHA512

                          1658191c61bb625f5e240f4a449d0131a5f74010df6371c54607433f21998c3a433ad416e5acd99c28505a56ec036a5f192649faa5a0598fa5f2cb6860b9bf27

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\prefs.js

                          Filesize

                          6KB

                          MD5

                          86bfcec91d7b86f3140dccfd73a0859f

                          SHA1

                          6948f68a23317b51f4cb30a45e8ffb0988a17a25

                          SHA256

                          5c3a5cef2ddc66be455a113cc87223e71ebbc76bba45dd005ecc86bcc98f067b

                          SHA512

                          124bcd1dea752a9dd88b929fa8ba964b687058c3203eea1e08d70d9fcb51f7607fd3c41acbba6398cda2d918d1c9186e23b2c182ce73876dfb0af94530f4442f

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\sessionstore-backups\recovery.jsonlz4

                          Filesize

                          1KB

                          MD5

                          9493d27a09f7452c89c9908c48c53e78

                          SHA1

                          f9022fe78091635a4bc3b27da5b655a537f2ec58

                          SHA256

                          889c7041053cd3456ed1f252a49fc125cbd8e6a7e018f1e5273a9802b6ed0524

                          SHA512

                          d4add0e86813d427329c260de3cd69a7ad666528ec07a380c53008fa1efb00ba0f80255647140be30a27ddfa68eaed28e6c25f17aa8c3d1400bd72c3fc05236b

                        • C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\pzuz3epu.default-release\storage\permanent\chrome\idb\3870112724rsegmnoittet-es.sqlite

                          Filesize

                          7.7MB

                          MD5

                          e1900149e4d8c8b14b6b6861b151e82a

                          SHA1

                          7af52b397e8d816e2dad65f7ce508eef5e4b12f3

                          SHA256

                          8d609cb63a71329d169932bde00ec1e112b830eddec54f76bc446c437cba79f8

                          SHA512

                          b63f602bb175ea9a2e4d5639d47fb8d1f5de907b27215a06364b7408e195b0c94a7648cd94d705e8ab6bc01d93e2473f561b98c27f53cd7e066e91066f26314e

                        • memory/544-130-0x0000000000400000-0x000000000088F000-memory.dmp

                          Filesize

                          4.6MB