Analysis

  • max time kernel
    87s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/11/2024, 11:52

General

  • Target

    UnlockSteam.rar

  • Size

    1.2MB

  • MD5

    e662d370d877c6ff931a7ae4847680ce

  • SHA1

    32ee64093d22a9bccae95534d6a66a43ca07163e

  • SHA256

    bc21d8349fece9e42811e44231c98468413b412b5ad3b1088a6702616303c2c0

  • SHA512

    a5f75ea5485a62e7dd0301b1b4473e365e080a1c827a5ca3370267e5893526a79a27e4ba1ebe5548af1fd99f598e670cbacddd625c442334993f83bc76a63b1e

  • SSDEEP

    24576:lzxvkcfD+N7rtKStoycmLTFbZ0kY8zI7XB/mJ/u/q53rPcRDDT6:lzNZfD0PbFXFFFmXsJJrwnG

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 57 IoCs
  • Suspicious use of FindShellTrayWindow 41 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\UnlockSteam.rar"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\7zO488512C6\SteamtoolsSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO488512C6\SteamtoolsSetup.exe"
      2⤵
      • Executes dropped EXE
      PID:1780
    • C:\Users\Admin\AppData\Local\Temp\7zO48801867\SteamtoolsSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO48801867\SteamtoolsSetup.exe"
      2⤵
      • Executes dropped EXE
      PID:2692
    • C:\Users\Admin\AppData\Local\Temp\7zO48871577\UnlockGenerator.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO48871577\UnlockGenerator.exe"
      2⤵
      • Executes dropped EXE
      PID:2772
    • C:\Users\Admin\AppData\Local\Temp\7zO488D08A7\SteamtoolsSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO488D08A7\SteamtoolsSetup.exe"
      2⤵
      • Executes dropped EXE
      PID:2792
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\7zO48827F87\Readme.txt
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:2560
    • C:\Users\Admin\AppData\Local\Temp\7zO488837C8\SteamtoolsSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\7zO488837C8\SteamtoolsSetup.exe"
      2⤵
        PID:1324
    • 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:2980
      • 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,0x7fef6f09758,0x7fef6f09768,0x7fef6f09778
        2⤵
          PID:3012
        • 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=1168 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:2
          2⤵
            PID:796
          • 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=1500 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:8
            2⤵
              PID:2368
            • 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=1180,i,791350006587824151,302984939662640284,131072 /prefetch:8
              2⤵
                PID:1988
              • 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=2312 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:1
                2⤵
                  PID:2872
                • 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=2324 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:1
                  2⤵
                    PID:2128
                  • 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=1456 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:2
                    2⤵
                      PID:1016
                    • 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=1412 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:1
                      2⤵
                        PID:2068
                      • 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=3660 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:8
                        2⤵
                          PID:1932
                        • 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=10 --mojo-platform-channel-handle=3696 --field-trial-handle=1180,i,791350006587824151,302984939662640284,131072 /prefetch:1
                          2⤵
                            PID:2676
                        • 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:2996

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\56204708-7a1c-45a3-b508-7847639ad47a.tmp

                            Filesize

                            6KB

                            MD5

                            f798de44d0dad40d1be71ff7182692df

                            SHA1

                            badd6f09158dbe98a803086df08c758cd7cf2dce

                            SHA256

                            a114709ef2bb0d9812e00525097d759b91d1dcef467159374ad9831f3b27c7f4

                            SHA512

                            5adc9bb52dc5f22f1a2319aa2556024de1619e669e0ffcde45d6490a53409fa03b4c73afce297215f4ff118422faaa82a463188039a874f3a6b6612147bf8c93

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000001

                            Filesize

                            215KB

                            MD5

                            e579aca9a74ae76669750d8879e16bf3

                            SHA1

                            0b8f462b46ec2b2dbaa728bea79d611411bae752

                            SHA256

                            6e51c7866705bf0098febfaf05cf4652f96e69ac806c837bfb1199b6e21e6aaf

                            SHA512

                            df22f1dff74631bc14433499d1f61609de71e425410067fd08ec193d100b70d98672228906081c309a06bcba03c097ace885240a3ce71e0da4fdb8a022fc9640

                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

                            Filesize

                            168B

                            MD5

                            3d2b9803657e7738ace5383821d97a89

                            SHA1

                            28e1b2e1d86fb026818c0c3a9c949164d83b16b9

                            SHA256

                            dced6be3ecc1de07dd99afd703b325b3766fd7b25aec82cece7f5bd2fe32280d

                            SHA512

                            8f476f882c467a216670089a25c47f6aaa87c91f25670df64be9911dd715114678c13d6f5b02ddc49c03f428a1c7420a0975420a683804fa9ac0426e29b83bc4

                          • 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\Network\TransportSecurity

                            Filesize

                            361B

                            MD5

                            f4b234c3c8f803e87a365dd5a662cb81

                            SHA1

                            f41ffae8606b62571b74f6943d69997d6eeda4f9

                            SHA256

                            6cae098e3cb2d76eb2d29565c0a99176bbc3b43d26dd292385cd307e8a75c3f9

                            SHA512

                            6db0df7abcec8838450bedc0faba346dc8affc806d633c712a30127ed09f7d76efa1f67beb4b9172ef17ec74e8f7794ec52e070e9944ce9fb3b6a72f7ea54b4a

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

                            Filesize

                            5KB

                            MD5

                            cfd01e49371a252069224aee4d8a7938

                            SHA1

                            96bcb86dc4eab77b077dd5d1993d37ed25d9b156

                            SHA256

                            a232806ebf7b861403d80e4200f96482d0c40129776f56a8c435aabdd7d1287e

                            SHA512

                            6b2ab06043b38c0a640f9f620021e2971d1068bed2b2040d3593080cb3d925a68334b5a5336d24f64286f7baa5e30558a55233cd3734ca17180c03cb54128792

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

                            Filesize

                            6KB

                            MD5

                            4548eae8980c6960457057405d8d844c

                            SHA1

                            b1194bc1b7fc21aeefaf1578822d03703f2d1684

                            SHA256

                            ddc78264687dd0df93e08a02ed88314bc72798150c5b9049ab4ac29f406b37bb

                            SHA512

                            7f2bd3266604e848f034e6020f81f89fc89ba7798a760364d605b2c0feb7a91dc87f00a0ea006fd03e0f1439d437f8284f3709d5084ac9c3cc28d511b76f0989

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

                            Filesize

                            5KB

                            MD5

                            9048aea67fb87b14c0d598baf6236406

                            SHA1

                            001861c4346bd07ef58b214f604dd6855ba690c1

                            SHA256

                            8aeffbbbb1ddc222f0e057bd60fe58bc37020fd534b80681ec7fb73b2ec22796

                            SHA512

                            0439aa8a0fa0e485fb9ff816d5fb4d3e1ae8737be82f378971765bbeba04e307d07255395a5ef71446404ccf3dae27a54fb9d928045eee20678b60890d3f41b3

                          • 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\Google\Chrome\User Data\ShaderCache\data_1

                            Filesize

                            264KB

                            MD5

                            f50f89a0a91564d0b8a211f8921aa7de

                            SHA1

                            112403a17dd69d5b9018b8cede023cb3b54eab7d

                            SHA256

                            b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                            SHA512

                            bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                          • C:\Users\Admin\AppData\Local\Temp\7zO48827F87\Readme.txt

                            Filesize

                            1KB

                            MD5

                            d0e3cc1db36597cb168556a6ea90a218

                            SHA1

                            50dc75091dd4e60e2691886708e97c6d21090ca6

                            SHA256

                            0eff33c482dd84c8391c59d42c472cd0d3ef908f57623d42132e826b1a696260

                            SHA512

                            c1002035ffe3d57e6d1889993bf9e98a0b630ffc1ba5acc8651c791f7ca1ac590697d4f6074cbaaf09835f95b31b6a0c77985165a3b78c84899bb6ea77b48e68

                          • \Users\Admin\AppData\Local\Temp\7zO488512C6\SteamtoolsSetup.exe

                            Filesize

                            2.7MB

                            MD5

                            5321690369d17547a978cd28f45f5ea6

                            SHA1

                            173b7be12e9ef3af91e2a7cbfe63a313134c9e32

                            SHA256

                            14224256268d10452893cae5d330262b6dd8f854e7f2e8bfbc2d050eb0d0f80f

                            SHA512

                            4f2aa0801d685195570c62ce19335465e85d19f04335fe56945207482893d1181c04bbfe18230bf0a490f8f5cf2998bee7f2c1c17146126555dd780d2dd085b4

                          • \Users\Admin\AppData\Local\Temp\7zO48871577\UnlockGenerator.exe

                            Filesize

                            414KB

                            MD5

                            f93e366f232ae6f5be5ca6ab840d93ac

                            SHA1

                            1d6ca041a887eccaebd8bbc4f9a425d2b6584103

                            SHA256

                            fdc6c51cc64f09cfd8848d7d537cf059fe3073d80d0fb1d750ef9ee859f1f050

                            SHA512

                            941c0a2be2c948966f1e299c285195b791a411f8352ef73966ecb78096e49d74f169dde036298626fd91ead5a8c1540f3a396b490e3a43c9cdd707d6dfbfe39a