Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/10/2024, 07:26

General

  • Target

    openme.exe

  • Size

    372KB

  • MD5

    e3b3e285390c0e2f7d04bd040bec790d

  • SHA1

    dbee71535e9f1fb23b3f01e25989d22d51237e68

  • SHA256

    21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6

  • SHA512

    6156a6b0ff4f41c823cba68a4596676e357ceb5b8c0848c2828a72321dbc2a731d9ae8f1a417fe27aef7de0080001ad3f77b3809b64a93c610ae99f95b35f5be

  • SSDEEP

    6144:C9dswuuW1sVyO6x5x6bQ5PJIgNdsalkFrgikCxEwdrDY2AotYSNlx4:CtuuiswO696bQXIqSa2FjJG0Y2AotYW4

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.

  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • 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 2 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
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\openme.exe
    "C:\Users\Admin\AppData\Local\Temp\openme.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3596
    • 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
      2⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:3420
      • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffb3f4c3cb8,0x7ffb3f4c3cc8,0x7ffb3f4c3cd8
        3⤵
          PID:2364
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1968 /prefetch:2
          3⤵
            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=1956,9235261152609958628,6739391598980997511,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2088 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3204
          • 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=1956,9235261152609958628,6739391598980997511,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2656 /prefetch:8
            3⤵
              PID:1956
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --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=3152 /prefetch:1
              3⤵
                PID:2096
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --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=3200 /prefetch:1
                3⤵
                  PID:3772
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3956 /prefetch:8
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:4768
                • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5552 /prefetch:8
                  3⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1556
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4764 /prefetch:1
                  3⤵
                    PID:4340
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3988 /prefetch:1
                    3⤵
                      PID:4928
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5204 /prefetch:1
                      3⤵
                        PID:3444
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5196 /prefetch:1
                        3⤵
                          PID:1016
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1956,9235261152609958628,6739391598980997511,131072 --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=10.0.22000.1 --gpu-preferences=SAAAAAAAAADoAAAwAAAAAAAAAAAAAAAAAABgAAAQAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=5428 /prefetch:2
                          3⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:4912
                      • C:\Windows\SysWOW64\cmd.exe
                        cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\openme.exe"
                        2⤵
                        • System Location Discovery: System Language Discovery
                        PID:4908
                    • C:\Windows\system32\OpenWith.exe
                      C:\Windows\system32\OpenWith.exe -Embedding
                      1⤵
                      • Modifies registry class
                      • Suspicious use of SetWindowsHookEx
                      PID:3716
                    • C:\Windows\System32\CompPkgSrv.exe
                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                      1⤵
                        PID:3400
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:3084

                        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

                          4bf4b59c3deb1688a480f8e56aab059d

                          SHA1

                          612c83e7027b3bfb0e9d2c9efad43c5318e731bb

                          SHA256

                          867ab488aa793057395e9c10f237603cfb180689298871cdf0511132f9628c82

                          SHA512

                          2ec6c89f9653f810e9f80f532abaff2a3c0276f6d299dce1b1eadf6a59e8072ed601a4f9835db25d4d2610482a00dd5a0852d0ef828678f5c5ed33fe64dddca9

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

                          Filesize

                          152B

                          MD5

                          b4ae6009e2df12ce252d03722e8f4288

                          SHA1

                          44de96f65d69cbae416767040f887f68f8035928

                          SHA256

                          7778069a1493fdb62e6326ba673f03d9a8f46bc0eea949aabbbbc00dcdaddf9d

                          SHA512

                          bb810721e52c77793993470692bb2aab0466f13ed4576e4f4cfa6bc5fcfc59c13552299feb6dfd9642ea07b19a5513d90d0698d09ca1d15e0598133929c05fe1

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

                          Filesize

                          5KB

                          MD5

                          7995b794d9beedb71d0451718fd61116

                          SHA1

                          0cc09031ef09ac3713b3df55b91bd7230f970da9

                          SHA256

                          a0821f78da16ba1c990c1113a5724b3f95a9fca6c6d371ade54b7330c4a6a0a4

                          SHA512

                          6ab7d71473b05391509c9147521ae016055cf09d218ad02bf8867b68b7cdbc781de1978ff71299eb81040ba6a5d1123a93150422af6968e1f3d901c6c896ae2b

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

                          Filesize

                          5KB

                          MD5

                          e88232985a13bf622c931c9985c36860

                          SHA1

                          474eef0feb94592a038c2df59372ad53ce9deb79

                          SHA256

                          1c9256c33e298af6f849f569830726cdaad8618349a88c809520a1b57da42d4e

                          SHA512

                          b761bd9163c2713c9124fa56fc33f56caa4fba374a844ea3f91da1473e6872a8c30e51ef2312cffd7767f842f30412b49e61f76aec70f440b9b3e6807eeb58b7

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

                          Filesize

                          16B

                          MD5

                          206702161f94c5cd39fadd03f4014d98

                          SHA1

                          bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                          SHA256

                          1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                          SHA512

                          0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

                          Filesize

                          16B

                          MD5

                          46295cac801e5d4857d09837238a6394

                          SHA1

                          44e0fa1b517dbf802b18faf0785eeea6ac51594b

                          SHA256

                          0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                          SHA512

                          8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

                          Filesize

                          10KB

                          MD5

                          2759b077a60833b02cdbecd4966057bc

                          SHA1

                          487fedd3171f83d693ca8ae64f35a5b26dd87e8f

                          SHA256

                          4ee47c60a0bd92f6f9079da5799f8378c8a807a2ca6bae5da9b5b761c6aea6c8

                          SHA512

                          0b68cd89077a5bdc637fd4f82b5b2af1e61a6ecc8cdb19d253e184fbdb2612ec6e54f9bbc2545792ad73c76eb15d6e18fd7cc8029da4055438f3269b27f0fe65

                        • C:\Users\Admin\DesktopOSIRIS.bmp

                          Filesize

                          3.4MB

                          MD5

                          cac68e0603e81727a4a80772c16c3ef7

                          SHA1

                          6778e7b5cffc4e70e232b65e4f7944509a99f2b8

                          SHA256

                          c99488901a9a756b8527a4e123309e7fce687dcd18cf4428818501bdc3ffe62a

                          SHA512

                          4d0e9d9b79135d5482367b3ae09e88133db8f36c0a2d32a6bfc1b03bf780d23f63071262fe0714022a8cb76a10582c078e19138257ee3186adbdcd41d0f32e4c

                        • C:\Users\Admin\Music\OSIRIS-c230.htm

                          Filesize

                          8KB

                          MD5

                          3f22c244ddc295f90d94ecd7f2221f07

                          SHA1

                          389d4fd92aedc20f657b0e8ad6b377201bae4923

                          SHA256

                          e5780863d259c9d1350ed051a85555c504e4ea4d96255636e41dc48c6ed96003

                          SHA512

                          867820b921dc8dfd4e0314b14eb584ba38c86ee836a6d985b3dee2ef2c6f80240a357e4d4888df76d58d4d43762fdbe9e726d8708fe7b15530bdd7501c727fd2

                        • memory/3596-6-0x00000000030D0000-0x00000000030D1000-memory.dmp

                          Filesize

                          4KB

                        • memory/3596-8-0x0000000000400000-0x0000000000462000-memory.dmp

                          Filesize

                          392KB

                        • memory/3596-13-0x0000000003BD0000-0x0000000003BF7000-memory.dmp

                          Filesize

                          156KB

                        • memory/3596-15-0x0000000003BD0000-0x0000000003BF7000-memory.dmp

                          Filesize

                          156KB

                        • memory/3596-11-0x0000000000400000-0x0000000000462000-memory.dmp

                          Filesize

                          392KB

                        • memory/3596-317-0x0000000003BD0000-0x0000000003BF7000-memory.dmp

                          Filesize

                          156KB

                        • memory/3596-10-0x00000000030D0000-0x00000000030D1000-memory.dmp

                          Filesize

                          4KB

                        • memory/3596-14-0x0000000003BD0000-0x0000000003BF7000-memory.dmp

                          Filesize

                          156KB

                        • memory/3596-7-0x00000000030D0000-0x00000000030D1000-memory.dmp

                          Filesize

                          4KB

                        • memory/3596-0-0x00000000030E0000-0x0000000003175000-memory.dmp

                          Filesize

                          596KB

                        • memory/3596-5-0x00000000030D0000-0x00000000030D1000-memory.dmp

                          Filesize

                          4KB

                        • memory/3596-4-0x00000000030D0000-0x00000000030D1000-memory.dmp

                          Filesize

                          4KB

                        • memory/3596-3-0x00000000030D0000-0x00000000030D1000-memory.dmp

                          Filesize

                          4KB

                        • memory/3596-2-0x00000000030E0000-0x0000000003175000-memory.dmp

                          Filesize

                          596KB

                        • memory/3596-1-0x00000000030D0000-0x00000000030D1000-memory.dmp

                          Filesize

                          4KB