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Resubmissions

13/02/2022, 15:34 UTC

220213-sz5ftsbch7 10

13/02/2022, 15:31 UTC

220213-syb3wsbcg4 10

13/02/2022, 15:17 UTC

220213-sn7rtadbaq 10

Analysis

  • max time kernel
    166s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    13/02/2022, 15:31 UTC

General

  • Target

    Endermanch@WannaCrypt0r.exe

  • Size

    3.4MB

  • MD5

    84c82835a5d21bbcf75a61706d8ab549

  • SHA1

    5ff465afaabcbf0150d1a3ab2c2e74f3a4426467

  • SHA256

    ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

  • SHA512

    90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\@Please_Read_Me@.txt

Family

wannacry

Ransom Note
Q: What's wrong with my files? A: Ooops, your important files are encrypted. It means you will not be able to access them anymore until they are decrypted. If you follow our instructions, we guarantee that you can decrypt all your files quickly and safely! Let's start decrypting! Q: What do I do? A: First, you need to pay service fees for the decryption. Please send $300 worth of bitcoin to this bitcoin address: 12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw Next, please find an application file named "@WanaDecryptor@.exe". It is the decrypt software. Run and follow the instructions! (You may need to disable your antivirus for a while.) Q: How can I trust? A: Don't worry about decryption. We will decrypt your files surely because nobody will trust us if we cheat users. * If you need our assistance, send a message by clicking <Contact Us> on the decryptor window. �
Wallets

12t9YDPgwueZ9NyMgw519p7AA8isjr6SMw

Signatures

  • Wannacry

    WannaCry is a ransomware cryptoworm.

  • Executes dropped EXE 4 IoCs
  • Modifies file permissions 1 TTPs 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of FindShellTrayWindow 52 IoCs
  • Suspicious use of SendNotifyMessage 48 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2768
  • C:\Users\Admin\AppData\Local\Temp\Endermanch@WannaCrypt0r.exe
    "C:\Users\Admin\AppData\Local\Temp\Endermanch@WannaCrypt0r.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1220
    • C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      2⤵
      • Views/modifies file attributes
      PID:2420
    • C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      2⤵
      • Modifies file permissions
      PID:1188
    • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
      taskdl.exe
      2⤵
      • Executes dropped EXE
      PID:660
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c 286281644769963.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2316
      • C:\Windows\SysWOW64\cscript.exe
        cscript.exe //nologo m.vbs
        3⤵
          PID:1120
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:2144
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:760
      • C:\Users\Admin\AppData\Local\Temp\taskdl.exe
        taskdl.exe
        2⤵
        • Executes dropped EXE
        PID:3500
    • 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: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=89.0.4389.114 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffe435b4f50,0x7ffe435b4f60,0x7ffe435b4f70
        2⤵
          PID:864
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1624,14364782139186522990,5917603968391526008,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1636 /prefetch:2
          2⤵
            PID:3720
          • 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=1624,14364782139186522990,5917603968391526008,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1940 /prefetch:8
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:628
          • 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=1624,14364782139186522990,5917603968391526008,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2272 /prefetch:8
            2⤵
              PID:444
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1624,14364782139186522990,5917603968391526008,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2760 /prefetch:1
              2⤵
                PID:552
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1624,14364782139186522990,5917603968391526008,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2904 /prefetch:1
                2⤵
                  PID:3472
                • 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 --field-trial-handle=1624,14364782139186522990,5917603968391526008,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4012 /prefetch:8
                  2⤵
                    PID:3848
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe"
                  1⤵
                  • Suspicious use of WriteProcessMemory
                  PID:1428
                  • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffe435b4f50,0x7ffe435b4f60,0x7ffe435b4f70
                    2⤵
                      PID:3724
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1720,18030504528405036982,12775874388489121762,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1728 /prefetch:2
                      2⤵
                        PID:1356
                      • 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=1720,18030504528405036982,12775874388489121762,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1796 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:3908
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe"
                      1⤵
                      • Suspicious use of WriteProcessMemory
                      PID:3016
                      • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffe435b4f50,0x7ffe435b4f60,0x7ffe435b4f70
                        2⤵
                          PID:372
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1708,1506975779705565083,9020489910136587516,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1720 /prefetch:2
                          2⤵
                            PID:1952
                          • 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=1708,1506975779705565083,9020489910136587516,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1792 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:1224

                        Network

                        • flag-us
                          DNS
                          api.msn.com
                          Remote address:
                          8.8.8.8:53
                          Request
                          api.msn.com
                          IN A
                          Response
                          api.msn.com
                          IN CNAME
                          api-msn-com.a-0003.a-msedge.net
                          api-msn-com.a-0003.a-msedge.net
                          IN CNAME
                          a-0003.a-msedge.net
                          a-0003.a-msedge.net
                          IN A
                          204.79.197.203
                        • flag-us
                          DNS
                          dns.google
                          chrome.exe
                          Remote address:
                          8.8.8.8:53
                          Request
                          dns.google
                          IN A
                          Response
                          dns.google
                          IN A
                          8.8.8.8
                          dns.google
                          IN A
                          8.8.4.4
                        • flag-us
                          DNS
                          clientservices.googleapis.com
                          chrome.exe
                          Remote address:
                          8.8.8.8:53
                          Request
                          clientservices.googleapis.com
                          IN A
                          Response
                          clientservices.googleapis.com
                          IN A
                          142.251.39.99
                        • flag-us
                          DNS
                          clients2.google.com
                          chrome.exe
                          Remote address:
                          8.8.8.8:53
                          Request
                          clients2.google.com
                          IN A
                          Response
                          clients2.google.com
                          IN CNAME
                          clients.l.google.com
                          clients.l.google.com
                          IN A
                          142.250.179.206
                        • flag-us
                          DNS
                          accounts.google.com
                          chrome.exe
                          Remote address:
                          8.8.8.8:53
                          Request
                          accounts.google.com
                          IN A
                          Response
                          accounts.google.com
                          IN A
                          142.250.179.173
                        • flag-us
                          GET
                          http://edgedl.me.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvNzI0QUFXNV9zT2RvdUwyMERESEZGVmJnQQ/1.0.0.6_nmmhkkegccagdldgiimedpiccmgmieda.crx
                          chrome.exe
                          Remote address:
                          34.104.35.123:80
                          Request
                          GET /edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvNzI0QUFXNV9zT2RvdUwyMERESEZGVmJnQQ/1.0.0.6_nmmhkkegccagdldgiimedpiccmgmieda.crx HTTP/1.1
                          Host: edgedl.me.gvt1.com
                          Connection: keep-alive
                          User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
                          Accept-Encoding: gzip, deflate
                          Accept-Language: en-US,en;q=0.9
                          Response
                          HTTP/1.1 200 OK
                          accept-ranges: bytes
                          content-disposition: attachment
                          content-length: 248531
                          content-security-policy: default-src 'none'
                          content-type: application/x-chrome-extension
                          etag: "83cafb"
                          last-modified: Fri, 29 Jan 2021 00:09:35 GMT
                          server: Google-Edge-Cache
                          x-content-type-options: nosniff
                          x-frame-options: SAMEORIGIN
                          x-xss-protection: 0
                          date: Sun, 13 Feb 2022 10:31:03 GMT
                          age: 18220
                          alt-svc: h3=":443"; ma=2592000, h3-29=":443"; ma=2592000
                          x-request-id: 2aaf10a5-5ee6-46a4-99d4-b94db0a0d228
                          cache-control: public,max-age=86400
                        • flag-nl
                          GET
                          https://ssl.gstatic.com/safebrowsing/csd/client_model_v5_variation_6.pb
                          chrome.exe
                          Remote address:
                          142.250.179.131:443
                          Request
                          GET /safebrowsing/csd/client_model_v5_variation_6.pb HTTP/2.0
                          host: ssl.gstatic.com
                          sec-fetch-site: none
                          sec-fetch-mode: no-cors
                          sec-fetch-dest: empty
                          user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.114 Safari/537.36
                          accept-encoding: gzip, deflate, br
                          accept-language: en-US,en;q=0.9
                        • 93.184.220.29:80
                          260 B
                          5
                        • 204.79.197.203:443
                          api.msn.com
                          tls
                          3.9kB
                          44.1kB
                          52
                          50
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          2.5kB
                          9.2kB
                          21
                          24
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          2.8kB
                          10.1kB
                          24
                          30
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          943 B
                          5.8kB
                          8
                          8
                        • 8.8.8.8:443
                          dns.google
                          tls
                          chrome.exe
                          839 B
                          5.1kB
                          7
                          7
                        • 8.8.8.8:443
                          dns.google
                          tls
                          chrome.exe
                          839 B
                          5.1kB
                          7
                          7
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          943 B
                          5.8kB
                          8
                          8
                        • 8.8.8.8:443
                          dns.google
                          tls
                          chrome.exe
                          839 B
                          5.1kB
                          7
                          7
                        • 8.8.8.8:443
                          dns.google
                          tls
                          chrome.exe
                          839 B
                          5.1kB
                          7
                          7
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          943 B
                          5.8kB
                          8
                          8
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          943 B
                          5.8kB
                          8
                          8
                        • 142.250.179.173:443
                          accounts.google.com
                          tls, https
                          chrome.exe
                          1.7kB
                          6.9kB
                          13
                          15
                        • 142.250.179.206:443
                          clients2.google.com
                          tls, https
                          chrome.exe
                          1.9kB
                          9.6kB
                          13
                          15
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          943 B
                          5.8kB
                          8
                          8
                        • 8.8.8.8:443
                          dns.google
                          tls, https
                          chrome.exe
                          943 B
                          5.8kB
                          8
                          8
                        • 34.104.35.123:80
                          http://edgedl.me.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvNzI0QUFXNV9zT2RvdUwyMERESEZGVmJnQQ/1.0.0.6_nmmhkkegccagdldgiimedpiccmgmieda.crx
                          http
                          chrome.exe
                          4.5kB
                          256.1kB
                          90
                          176

                          HTTP Request

                          GET http://edgedl.me.gvt1.com/edgedl/chromewebstore/L2Nocm9tZV9leHRlbnNpb24vYmxvYnMvNzI0QUFXNV9zT2RvdUwyMERESEZGVmJnQQ/1.0.0.6_nmmhkkegccagdldgiimedpiccmgmieda.crx

                          HTTP Response

                          200
                        • 172.217.168.193:443
                          clients2.googleusercontent.com
                          tls, https
                          chrome.exe
                          14.8kB
                          849.7kB
                          298
                          585
                        • 142.250.179.131:443
                          https://ssl.gstatic.com/safebrowsing/csd/client_model_v5_variation_6.pb
                          tls, http2
                          chrome.exe
                          3.3kB
                          91.8kB
                          51
                          69

                          HTTP Request

                          GET https://ssl.gstatic.com/safebrowsing/csd/client_model_v5_variation_6.pb
                        • 8.8.8.8:53
                          api.msn.com
                          dns
                          57 B
                          132 B
                          1
                          1

                          DNS Request

                          api.msn.com

                          DNS Response

                          204.79.197.203

                        • 8.8.8.8:53
                          dns.google
                          dns
                          chrome.exe
                          56 B
                          88 B
                          1
                          1

                          DNS Request

                          dns.google

                          DNS Response

                          8.8.8.8
                          8.8.4.4

                        • 224.0.0.251:5353
                          1.1kB
                          18
                        • 8.8.8.8:53
                          dns.google
                          dns
                          chrome.exe
                          75 B
                          91 B
                          1
                          1

                          DNS Request

                          clientservices.googleapis.com

                          DNS Response

                          142.251.39.99

                        • 8.8.8.8:53
                          dns.google
                          dns
                          chrome.exe
                          65 B
                          105 B
                          1
                          1

                          DNS Request

                          clients2.google.com

                          DNS Response

                          142.250.179.206

                        • 8.8.8.8:53
                          dns.google
                          dns
                          chrome.exe
                          65 B
                          81 B
                          1
                          1

                          DNS Request

                          accounts.google.com

                          DNS Response

                          142.250.179.173

                        • 8.8.8.8:443
                          dns.google
                          https
                          chrome.exe
                          3.5kB
                          7.1kB
                          8
                          8

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/1220-166-0x0000000010000000-0x0000000010010000-memory.dmp

                          Filesize

                          64KB

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