Analysis

  • max time kernel
    143s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 07:30

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
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 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:\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
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1448
    • 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:4332
      • 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,0x100,0x104,0xd8,0x108,0x7ffe6e1246f8,0x7ffe6e124708,0x7ffe6e124718
        3⤵
          PID:3300
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2072,10754519983492284364,671182228200421571,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2084 /prefetch:2
          3⤵
            PID:1928
          • 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=2072,10754519983492284364,671182228200421571,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2424 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2932
          • 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=2072,10754519983492284364,671182228200421571,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2880 /prefetch:8
            3⤵
              PID:4704
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,10754519983492284364,671182228200421571,131072 --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=3288 /prefetch:1
              3⤵
                PID:2868
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,10754519983492284364,671182228200421571,131072 --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=3304 /prefetch:1
                3⤵
                  PID:2288
                • 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=2072,10754519983492284364,671182228200421571,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4960 /prefetch:8
                  3⤵
                    PID:3580
                  • 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=2072,10754519983492284364,671182228200421571,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4960 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4116
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,10754519983492284364,671182228200421571,131072 --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=5296 /prefetch:1
                    3⤵
                      PID:3316
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,10754519983492284364,671182228200421571,131072 --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=5320 /prefetch:1
                      3⤵
                        PID:1772
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,10754519983492284364,671182228200421571,131072 --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=5112 /prefetch:1
                        3⤵
                          PID:2152
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2072,10754519983492284364,671182228200421571,131072 --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=3440 /prefetch:1
                          3⤵
                            PID:1092
                        • 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:1936
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:1008
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4676

                          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

                            2783c40400a8912a79cfd383da731086

                            SHA1

                            001a131fe399c30973089e18358818090ca81789

                            SHA256

                            331fa67da5f67bbb42794c3aeab8f7819f35347460ffb352ccc914e0373a22c5

                            SHA512

                            b7c7d3aa966ad39a86aae02479649d74dcbf29d9cb3a7ff8b9b2354ea60704da55f5c0df803fd0a7191170a8e72fdd5eacfa1a739d7a74e390a7b74bdced1685

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

                            Filesize

                            152B

                            MD5

                            ff63763eedb406987ced076e36ec9acf

                            SHA1

                            16365aa97cd1a115412f8ae436d5d4e9be5f7b5d

                            SHA256

                            8f460e8b7a67f0c65b7248961a7c71146c9e7a19772b193972b486dbf05b8e4c

                            SHA512

                            ce90336169c8b2de249d4faea2519bf7c3df48ae9d77cdf471dd5dbd8e8542d47d9348080a098074aa63c255890850ee3b80ddb8eef8384919fdca3bb9371d9f

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

                            Filesize

                            5KB

                            MD5

                            247f93c8a880f2efec6d7d6cd7636315

                            SHA1

                            77166c80c8dfcf4390ae7f90b25716ee5926b31e

                            SHA256

                            ae121c568a93b2753983b81200d310b8dd3ec4df265a34730dd7f793c43b9a47

                            SHA512

                            9d85ac656a7ebcdce8c1673623db5c3a8b340174f8763d55ee1815cbc1f500cc020ff9ec1c621cf0b9fe9c54a86ffd75c79eecedb9166a11cf7f2ad40e4d19c2

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

                            Filesize

                            6KB

                            MD5

                            b43af9842269e316effb7fe6d911f4ea

                            SHA1

                            7f768c6720725967a64d7cbe0bf7fcde67fefdd7

                            SHA256

                            969b0ee594197c1cbbe9706ddee58b52dd3ab01369fec2ce40e5b73d95110a9b

                            SHA512

                            357c885e4098cd1fdef44a3e383d084d8d2abb8a382d8a8d0fbfb43413d343dcda9b4a8da7fa567d6f63d947405331860e2d66bdded669ca1e6fac337ef2a7c8

                          • 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

                            d836188fa6997b8145d6d519f53d8ce3

                            SHA1

                            63937d53540e33141ce921557b3a7fe6455644ab

                            SHA256

                            9cd5241105c2713e849d427f3e3fbf6151db9d089e56bbabd1fd3c8fd8578428

                            SHA512

                            b5342ce114cb320943d8ae06b9ca74db42df3951b4e88a79e1344c8ef51162a4b990ac2c31b8a85d68a078786fa32c66d8860a1bf41aac06c51728d692267324

                          • C:\Users\Admin\Desktop\OSIRIS-b263.htm

                            Filesize

                            8KB

                            MD5

                            7e8cd4a98917694cf50e6027b56ba050

                            SHA1

                            433780f74be22a1cedebbaa6c62f9039ac3210cb

                            SHA256

                            52a20df4cbb51b14b376206dfba63b9372dc60383870c42551209d1fcfe2dc31

                            SHA512

                            7312665c859d60dc0d81f3d2142d40f4b5680d2328c9389bf48442780b0805f70f8cb6fdbc21e93c9f3c739cbe0d585e8e236c86aebcfc3f0261914fcdfb0517

                          • memory/1448-5-0x0000000002E90000-0x0000000002F25000-memory.dmp

                            Filesize

                            596KB

                          • memory/1448-11-0x0000000003B10000-0x0000000003B37000-memory.dmp

                            Filesize

                            156KB

                          • memory/1448-13-0x0000000003B10000-0x0000000003B37000-memory.dmp

                            Filesize

                            156KB

                          • memory/1448-12-0x0000000003B10000-0x0000000003B37000-memory.dmp

                            Filesize

                            156KB

                          • memory/1448-9-0x0000000000400000-0x0000000000462000-memory.dmp

                            Filesize

                            392KB

                          • memory/1448-324-0x0000000003B10000-0x0000000003B37000-memory.dmp

                            Filesize

                            156KB

                          • memory/1448-8-0x00000000033F0000-0x00000000033F1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-6-0x0000000000400000-0x0000000000462000-memory.dmp

                            Filesize

                            392KB

                          • memory/1448-0-0x0000000002E90000-0x0000000002F25000-memory.dmp

                            Filesize

                            596KB

                          • memory/1448-4-0x00000000033F0000-0x00000000033F1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-3-0x00000000033F0000-0x00000000033F1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-2-0x00000000033F0000-0x00000000033F1000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-1-0x00000000033F0000-0x00000000033F1000-memory.dmp

                            Filesize

                            4KB