Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-07-2022 22:39

General

  • Target

    60f634413cb2e27303ef7854667c967ae1253266bc19fc3331943e82d38fccf3.dll

  • Size

    110KB

  • MD5

    7e65a93663960c7c40c36953cbfb5f6f

  • SHA1

    cd8b22a6c8dc5a3b9dd795824aa0b99359e63d94

  • SHA256

    60f634413cb2e27303ef7854667c967ae1253266bc19fc3331943e82d38fccf3

  • SHA512

    0b674a73f5fbc4be14d951f3aadbed617310a2b21aa08489bab7bd07d57b1bcd812e411070e569af7fa5d3383264178c9e60dc03238a9d668b4464db8ed69782

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Control Panel 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\60f634413cb2e27303ef7854667c967ae1253266bc19fc3331943e82d38fccf3.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3536
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\60f634413cb2e27303ef7854667c967ae1253266bc19fc3331943e82d38fccf3.dll,#1
      2⤵
      • Modifies extensions of user files
      • Sets desktop wallpaper using registry
      • Modifies Control Panel
      • Suspicious use of WriteProcessMemory
      PID:4724
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\_WHAT_is.html
        3⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:3024
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xc0,0x104,0x7ffc2a6446f8,0x7ffc2a644708,0x7ffc2a644718
          4⤵
            PID:4156
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2084 /prefetch:2
            4⤵
              PID:1368
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4652
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2756 /prefetch:8
              4⤵
                PID:4880
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3472 /prefetch:1
                4⤵
                  PID:4840
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3484 /prefetch:1
                  4⤵
                    PID:2596
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5360 /prefetch:8
                    4⤵
                      PID:4904
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5464 /prefetch:8
                      4⤵
                        PID:3192
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5560 /prefetch:1
                        4⤵
                          PID:3732
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5620 /prefetch:1
                          4⤵
                            PID:3648
                          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5996 /prefetch:8
                            4⤵
                              PID:4704
                            • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                              4⤵
                              • Drops file in Program Files directory
                              PID:4348
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x220,0x224,0x228,0x1fc,0x22c,0x7ff6dba85460,0x7ff6dba85470,0x7ff6dba85480
                                5⤵
                                  PID:832
                              • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5996 /prefetch:8
                                4⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:3864
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4232 /prefetch:8
                                4⤵
                                  PID:4900
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2164,7416604074649510227,1267030182213667847,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2344 /prefetch:8
                                  4⤵
                                    PID:2028
                            • C:\Windows\system32\vssvc.exe
                              C:\Windows\system32\vssvc.exe
                              1⤵
                              • Suspicious use of AdjustPrivilegeToken
                              PID:2152
                            • C:\Windows\system32\vssadmin.exe
                              C:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All
                              1⤵
                              • Interacts with shadow copies
                              PID:2792
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:1696

                              Network

                              MITRE ATT&CK Enterprise v6

                              Replay Monitor

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                              Downloads

                              • C:\Users\Admin\Desktop\_WHAT_is.html

                                Filesize

                                9KB

                                MD5

                                e25f364554be186d9d006f368547db14

                                SHA1

                                fecf441bbec79db5b4b27a9847fdfab8edcda586

                                SHA256

                                ac5391deae5ee918f098e82f99c3831a99eef5dda0f277851dfaed888bda479c

                                SHA512

                                1551f17ddd2d10ee8ccea8ab14725fd3ebcb0f811c76477437e900a3d787e730d319302bf06d6364e90de027f32ab0702c7df814df4d1eeb7e4084962ac8756e

                              • \??\pipe\LOCAL\crashpad_3024_LUVAICZQLTRCUFZV

                                MD5

                                d41d8cd98f00b204e9800998ecf8427e

                                SHA1

                                da39a3ee5e6b4b0d3255bfef95601890afd80709

                                SHA256

                                e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                SHA512

                                cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                              • memory/832-156-0x0000000000000000-mapping.dmp

                              • memory/1368-137-0x0000000000000000-mapping.dmp

                              • memory/2028-161-0x0000000000000000-mapping.dmp

                              • memory/2596-145-0x0000000000000000-mapping.dmp

                              • memory/3024-134-0x0000000000000000-mapping.dmp

                              • memory/3192-150-0x0000000000000000-mapping.dmp

                              • memory/3648-154-0x0000000000000000-mapping.dmp

                              • memory/3732-152-0x0000000000000000-mapping.dmp

                              • memory/3864-157-0x0000000000000000-mapping.dmp

                              • memory/4156-135-0x0000000000000000-mapping.dmp

                              • memory/4348-155-0x0000000000000000-mapping.dmp

                              • memory/4652-138-0x0000000000000000-mapping.dmp

                              • memory/4724-133-0x0000000075520000-0x0000000075549000-memory.dmp

                                Filesize

                                164KB

                              • memory/4724-131-0x0000000075520000-0x0000000075549000-memory.dmp

                                Filesize

                                164KB

                              • memory/4724-130-0x0000000000000000-mapping.dmp

                              • memory/4840-143-0x0000000000000000-mapping.dmp

                              • memory/4880-140-0x0000000000000000-mapping.dmp

                              • memory/4900-159-0x0000000000000000-mapping.dmp

                              • memory/4904-148-0x0000000000000000-mapping.dmp