Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 09:50

General

  • Target
    542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe
  • Size 206KB
  • Sample240518-lvbjmaea27
  • SHA256 803a9fdb26c22ecd599f25f30e79c4914c75e45c2613718c4a25b16112222726
  • MD5 SHA1 SHA512 SSDEEP

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.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 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\542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:3084
    • 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:4600
      • 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=0x100,0x104,0x108,0xfc,0x10c,0x7ffc7c3346f8,0x7ffc7c334708,0x7ffc7c334718
        3⤵
          PID:2796
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2028,17827961984379445484,1483894159087789815,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2044 /prefetch:2
          3⤵
            PID:928
          • 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=2028,17827961984379445484,1483894159087789815,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3400
          • 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=2028,17827961984379445484,1483894159087789815,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2948 /prefetch:8
            3⤵
              PID:2408
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,17827961984379445484,1483894159087789815,131072 --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=3336 /prefetch:1
              3⤵
                PID:4972
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,17827961984379445484,1483894159087789815,131072 --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=3340 /prefetch:1
                3⤵
                  PID:3340
                • 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=2028,17827961984379445484,1483894159087789815,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
                  3⤵
                    PID:4816
                  • 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=2028,17827961984379445484,1483894159087789815,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2760
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,17827961984379445484,1483894159087789815,131072 --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=4816 /prefetch:1
                    3⤵
                      PID:1920
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,17827961984379445484,1483894159087789815,131072 --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=4800 /prefetch:1
                      3⤵
                        PID:3236
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,17827961984379445484,1483894159087789815,131072 --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=4072 /prefetch:1
                        3⤵
                          PID:4732
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2028,17827961984379445484,1483894159087789815,131072 --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=3480 /prefetch:1
                          3⤵
                            PID:2228
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\542751e8e64d10ff82ff68c514486246_JaffaCakes118.exe"
                          2⤵
                            PID:5076
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4928
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:4912

                            Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 2dc0bf08246ddd5a32288c895d676017578d792349ca437b1b36e7b2f0ade6d6
                                  • MD5 SHA1 SHA512

                                  settings.dat

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                  • Size 152B
                                  • SHA256 f65058c6f1a745b37a64d4c97a8e8ee940210273130cec97a67f568088b5d4d4
                                  • MD5 SHA1 SHA512

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 5KB
                                  • SHA256 3483c43064ae30ebe686ca4c43f4b6abdd39911ed48f812c140daaab37348334
                                  • MD5 SHA1 SHA512 SSDEEP

                                  Preferences

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                  • Size 6KB
                                  • SHA256 f6b07fa97b1d83e635e085845135222658aaafd827d26b78930c2c784d813c22
                                  • MD5 SHA1 SHA512 SSDEEP

                                  CURRENT

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                  • Size 16B
                                  • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                  • MD5 SHA1 SHA512

                                  Local State

                                  • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                  • Size 11KB
                                  • SHA256 d699e1897513c42cb206a498b4506acc6bf1e5d2267e321adbaff904f8b3796f
                                  • MD5 SHA1 SHA512 SSDEEP

                                  OSIRIS-af45.htm

                                  • Path C:\Users\Admin\Music\OSIRIS-af45.htm
                                  • Size 8KB
                                  • SHA256 0152bb19c937d5f779403ab0c787fc0d359c312fd2bb4766692fdc0a67b4e557
                                  • MD5 SHA1 SHA512 SSDEEP

                                  memory/3084-17-0x0000000000A70000-0x0000000000A97000-memory.dmp

                                  memory/3084-350-0x0000000000A70000-0x0000000000A97000-memory.dmp

                                  memory/3084-0-0x00000000005E0000-0x00000000005E1000-memory.dmp

                                  memory/3084-18-0x0000000000A70000-0x0000000000A97000-memory.dmp

                                  memory/3084-19-0x0000000000A70000-0x0000000000A97000-memory.dmp

                                  memory/3084-8-0x00000000005E0000-0x00000000005E1000-memory.dmp

                                  memory/3084-344-0x0000000000A70000-0x0000000000A97000-memory.dmp

                                  memory/3084-10-0x0000000000A70000-0x0000000000A97000-memory.dmp

                                  memory/3084-7-0x0000000000400000-0x0000000000436000-memory.dmp

                                  memory/3084-5-0x0000000000A70000-0x0000000000A97000-memory.dmp

                                  memory/3084-6-0x0000000000630000-0x0000000000631000-memory.dmp

                                  memory/3084-4-0x0000000077922000-0x0000000077923000-memory.dmp

                                  memory/3084-3-0x00000000005F0000-0x00000000005F1000-memory.dmp

                                  memory/3084-2-0x0000000000400000-0x0000000000436000-memory.dmp

                                  memory/3084-1-0x0000000000400000-0x0000000000436000-memory.dmp