Analysis

  • max time kernel
    190s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 10:32

General

  • Target

    RecoverKeysInstaller.exe

  • Size

    8.9MB

  • MD5

    14d68897c90cc7a664444ab814514e9f

  • SHA1

    2f295f5dc8d6b5c515fdeb45645c5a380dcf899d

  • SHA256

    9ec7ff8bff95cb87561940849e877cb12f3e07d50762f2dc1c474b39d7c74b6a

  • SHA512

    2c0ca9d49f5be5cbf3a1f3d629bccf0d0fdd4d0bf3f2b4222d9c763ac4df3b5924b37b97ea86aa95112a4cf1c9bb7509c97b02b91260b566143e117b4475ce91

  • SSDEEP

    196608:StJMM796FzCSsOhQPsaOlzwSN+nGDuLbbGB6srwkv6y/2AQ:6JMM7yzQOuPxyj9aLbQ6sd7/2n

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RecoverKeysInstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\RecoverKeysInstaller.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4540
    • C:\Users\Admin\AppData\Local\Temp\is-TSK2P.tmp\RecoverKeysInstaller.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-TSK2P.tmp\RecoverKeysInstaller.tmp" /SL5="$80042,8764450,404480,C:\Users\Admin\AppData\Local\Temp\RecoverKeysInstaller.exe"
      2⤵
      • Executes dropped EXE
      PID:2624
  • 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 behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2696
    • 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=89.0.4389.114 --initial-client-data=0x120,0x124,0x128,0xfc,0x12c,0x7ffaa1c84f50,0x7ffaa1c84f60,0x7ffaa1c84f70
      2⤵
        PID:1452
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1620,4894990129069037595,9483183768007355995,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1624 /prefetch:2
        2⤵
          PID:3684
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1620,4894990129069037595,9483183768007355995,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=2020 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1324
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1620,4894990129069037595,9483183768007355995,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2292 /prefetch:8
          2⤵
            PID:4960
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,4894990129069037595,9483183768007355995,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2944 /prefetch:1
            2⤵
              PID:4236
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1620,4894990129069037595,9483183768007355995,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3148 /prefetch:1
              2⤵
                PID:3212
            • C:\Windows\System32\CompPkgSrv.exe
              C:\Windows\System32\CompPkgSrv.exe -Embedding
              1⤵
                PID:2472

              Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\is-TSK2P.tmp\RecoverKeysInstaller.tmp

                Filesize

                1.4MB

                MD5

                2cd98880a00b07767aba76e78a28e92a

                SHA1

                7a659d5eb6f465a238550914c92a3f45b4de4b94

                SHA256

                7afc059d3953168ba0ae1e1b2bfb307f26f2f6d86b752e22c38d31ff18ec8918

                SHA512

                106eb0da5bc5165378ee11421658d3478b59618a150a85068e7a968739a276ae70d5af3aba96c65965fd0f6b1cfb7d2714f4442f4dfb5e9d0e097dad6801a883

              • \??\pipe\crashpad_2696_HPEQSAMCVHETDGYU

                MD5

                d41d8cd98f00b204e9800998ecf8427e

                SHA1

                da39a3ee5e6b4b0d3255bfef95601890afd80709

                SHA256

                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                SHA512

                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

              • memory/2624-135-0x0000000000000000-mapping.dmp

              • memory/4540-132-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/4540-134-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/4540-137-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB

              • memory/4540-138-0x0000000000400000-0x000000000046D000-memory.dmp

                Filesize

                436KB