Analysis

  • max time kernel
    483s
  • max time network
    487s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/03/2025, 05:00

General

  • Target

    f329ea2c754ab196d15c20fbf9abd722fa63630631144c5a409bd2a20172196b (2).dll

  • Size

    159KB

  • MD5

    7932ee5fa6f83b149569752c47e04b87

  • SHA1

    6eb115feadc5808507fb5a666dd18aa89a45616c

  • SHA256

    f329ea2c754ab196d15c20fbf9abd722fa63630631144c5a409bd2a20172196b

  • SHA512

    17ba26e69f7536f5adaa52454fbd407338be61d97bc396baa591de9fa19aab3e539b4ca32059b2ddb1b901ac7ecd341dff9ead706fc0d058086e6b3795642f58

  • SSDEEP

    3072:pusrpo1j49JvKa0ePbh37E6ZO78buZKxrF:ZQcvKpE37E6nmKhF

Malware Config

Signatures

  • Locky

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

  • Locky (Osiris variant)

    Variant of the Locky ransomware seen in the wild since early 2017.

  • Locky family
  • Locky_osiris family
  • Blocklisted process makes network request 6 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f329ea2c754ab196d15c20fbf9abd722fa63630631144c5a409bd2a20172196b (2).dll",#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\f329ea2c754ab196d15c20fbf9abd722fa63630631144c5a409bd2a20172196b (2).dll",#1
      2⤵
      • Blocklisted process makes network request
      • Sets desktop wallpaper using registry
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\DesktopOSIRIS.htm
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:5112
        • 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=0xfc,0x100,0x104,0xe8,0x108,0x7ffebbe246f8,0x7ffebbe24708,0x7ffebbe24718
          4⤵
            PID:856
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
            4⤵
              PID:1128
            • 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=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2220 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4592
            • 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=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2740 /prefetch:8
              4⤵
                PID:3828
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3260 /prefetch:1
                4⤵
                  PID:4292
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3276 /prefetch:1
                  4⤵
                    PID:3528
                  • 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=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5080 /prefetch:8
                    4⤵
                      PID:820
                    • 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=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5080 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:8
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4672 /prefetch:1
                      4⤵
                        PID:4960
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4676 /prefetch:1
                        4⤵
                          PID:2080
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3292 /prefetch:1
                          4⤵
                            PID:2700
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3252 /prefetch:1
                            4⤵
                              PID:1644
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,1649132685388820683,15516515734655739643,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=4880 /prefetch:2
                              4⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3004
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:3588
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:740

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

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                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            bdaedf93fae9e360102755d7afa6a1ac

                            SHA1

                            6610c7468628638312b517b2c742a554f99e33c1

                            SHA256

                            d2e4474dadaaec1340b726f419b5c6c7805f4b5ae1c4696883154b15ea61cae7

                            SHA512

                            46dc085db56b18d7c9d2fc063209fa21e4abfc075f2b5fa372e552f6b1934b832313181aa8f82023afe4f44efe2bca6f88e542105a554d8e2e21557c9f3b4ffb

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                            Filesize

                            152B

                            MD5

                            14f0f5365d298c4c594511d4b640d918

                            SHA1

                            dad4fce934487e4c8b165091612810cb6c506864

                            SHA256

                            6daeea78cfe22986edcfd55f7a4ba48b4b6caf3d4bb0de97c72a85d1288fdf20

                            SHA512

                            a9dbbf2e2d383ae5eb6d9a3fe9557018a9e3783b685c57bcbfb99300b3213bbe766e1a17a43c55022debca66e94d8a36e9c0871f80f5ac3dbef58bca3acfc1cb

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            a22d1df947891f57045739beeb900f78

                            SHA1

                            f388f1abefc6a14b3748ecbd266e65dc0b1522fd

                            SHA256

                            97f439fe2da47eaafd568e630ce9b6445bafc7e37af4f84c6708367f2d0bd6ad

                            SHA512

                            646a7640fa5158f00b3c47cad343137f98c42a03e974b8653ad45d982db250c2d628d664c0379abd979b0b38346d6c22ed0c1568bb39da223983bd1cf6f605c6

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                            Filesize

                            5KB

                            MD5

                            7dd562c81e956b225bb001eee69e27c9

                            SHA1

                            a893fc962824b6dbacafbc217e05fef5b2e84f3a

                            SHA256

                            928d7edd186eca23bcfe33c85a317ddff683e329ab796bcaad3371564c176500

                            SHA512

                            8358ace57bba02d21e311691790f739c8f7bc8d091291eb88aa7c59fb30b01dfec991d7ad10c6f18f7ea8ef3c4fd0aacd55df451a5f574936c30bdf761fa2407

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

                            Filesize

                            24KB

                            MD5

                            be2e01d46a759918e5b1bfe5114152b6

                            SHA1

                            f062c27f24d107e592bb1cce90c15f558a33bb7a

                            SHA256

                            58922444301f69a352797d030fdbca04e7f97381703419595cf6935c9276df34

                            SHA512

                            2d5bc30bf2a147e3d7703a7aaa1d1feb75d4bdf0eab4d4004dd4e397706ad783c5d1fa4d0415e00338a454bf2579bd50f4e6f661c0ed3645b449577037cec94a

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                            Filesize

                            16B

                            MD5

                            6752a1d65b201c13b62ea44016eb221f

                            SHA1

                            58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                            SHA256

                            0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                            SHA512

                            9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                            Filesize

                            10KB

                            MD5

                            bb757c1e63d698b61055a6aa3d68baa0

                            SHA1

                            0d45e1642da4ad284043494c6905c36757e862cd

                            SHA256

                            988867a4d33f10eaaf7864b8b2fc50efcd383de901723119cd7feb6bf58fe6a3

                            SHA512

                            431d05b2802342a5d9ab7c99b6c4823ff377a251bb6019c3c415637ed0dbe915e2bc7930fb3891b2d681d01cb3b33a73412fa3e631eb1043e7d3499a96ddf7ae

                          • C:\Users\Admin\Music\OSIRIS-b535.htm

                            Filesize

                            8KB

                            MD5

                            f820c1ea7dbe6ac3f5b53554e4a9633e

                            SHA1

                            3cf20f96c7c31ee064a68ff70bbcc246d8006eaf

                            SHA256

                            8a1c1569d77ae40aa94a815fae89a2e29784edabe1c317db60b6603e0fd2f206

                            SHA512

                            22c05eae27552e378d2959177f99b814bb67b3de7ba0ca1897b57621fd70b5d12cada49236793e993af69806d5f34c83f1592a198ebd0ccb687e1125e3e3e9ae

                          • memory/4776-5-0x0000000002A10000-0x0000000002A11000-memory.dmp

                            Filesize

                            4KB

                          • memory/4776-16-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-14-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-12-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-9-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-7-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-0-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-4-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-2-0x0000000074BB0000-0x0000000074BE2000-memory.dmp

                            Filesize

                            200KB

                          • memory/4776-1-0x0000000002A10000-0x0000000002A11000-memory.dmp

                            Filesize

                            4KB