Analysis

  • max time kernel
    142s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/05/2024, 08:11

General

  • Target

    4a2592bc635987fa01678a5eff79cdde_JaffaCakes118.exe

  • Size

    392KB

  • MD5

    4a2592bc635987fa01678a5eff79cdde

  • SHA1

    f7554f1f50e31080f6dd6946fc3755984ab4993e

  • SHA256

    47f9ce6bbefff2abe7311f6d02196722c95ae080cfb352aea478600a144204e0

  • SHA512

    807fbeb38bf285780a1cdb4dee569a077123fbeb28861738f001334171d6d89b7d30e53546f878cd3eff2e8e0763b92ed0331e59397a013150df13860e7e9d52

  • SSDEEP

    12288:7pNnoX9enkmyy1SHZNZlnb/vMR7EFE9bthaxS8g3n:s9enkmbSHZNrbI7EGwxkn

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.

  • 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 AdjustPrivilegeToken 2 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\4a2592bc635987fa01678a5eff79cdde_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4a2592bc635987fa01678a5eff79cdde_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:1640
    • 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:1256
      • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ffcaa6046f8,0x7ffcaa604708,0x7ffcaa604718
        3⤵
          PID:1148
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2196,2537353670224224524,20830150174907930,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2208 /prefetch:2
          3⤵
            PID:1488
          • 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=2196,2537353670224224524,20830150174907930,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2260 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1524
          • 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=2196,2537353670224224524,20830150174907930,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2864 /prefetch:8
            3⤵
              PID:3100
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,2537353670224224524,20830150174907930,131072 --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=3300 /prefetch:1
              3⤵
                PID:4044
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,2537353670224224524,20830150174907930,131072 --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=3444 /prefetch:1
                3⤵
                  PID:376
                • 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=2196,2537353670224224524,20830150174907930,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5204 /prefetch:8
                  3⤵
                    PID:4572
                  • 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=2196,2537353670224224524,20830150174907930,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5204 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4200
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,2537353670224224524,20830150174907930,131072 --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=4756 /prefetch:1
                    3⤵
                      PID:2984
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,2537353670224224524,20830150174907930,131072 --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=5288 /prefetch:1
                      3⤵
                        PID:440
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,2537353670224224524,20830150174907930,131072 --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=3296 /prefetch:1
                        3⤵
                          PID:4988
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,2537353670224224524,20830150174907930,131072 --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=5624 /prefetch:1
                          3⤵
                            PID:5084
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\4a2592bc635987fa01678a5eff79cdde_JaffaCakes118.exe"
                          2⤵
                            PID:4484
                        • C:\Windows\system32\AUDIODG.EXE
                          C:\Windows\system32\AUDIODG.EXE 0x338 0x150
                          1⤵
                          • Suspicious use of AdjustPrivilegeToken
                          PID:2680
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4504
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:212

                            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

                              f53207a5ca2ef5c7e976cbb3cb26d870

                              SHA1

                              49a8cc44f53da77bb3dfb36fc7676ed54675db43

                              SHA256

                              19ab4e3c9da6d9cedda7461efdba9a2085e743513ab89f1dd0fd5a8f9486ad23

                              SHA512

                              be734c7e8afda19f445912aef0d78f9941add29baebd4a812bff27f10a1d78b52aeb11c551468c8644443c86e1a2a6b2e4aead3d7f81d39925e3c20406ac1499

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

                              Filesize

                              152B

                              MD5

                              ae54e9db2e89f2c54da8cc0bfcbd26bd

                              SHA1

                              a88af6c673609ecbc51a1a60dfbc8577830d2b5d

                              SHA256

                              5009d3c953de63cfd14a7d911156c514e179ff07d2b94382d9caac6040cb72af

                              SHA512

                              e3b70e5eb7321b9deca6f6a17424a15b9fd5c4008bd3789bd01099fd13cb2f4a2f37fe4b920fb51c50517745b576c1f94df83efd1a7e75949551163985599998

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

                              Filesize

                              6KB

                              MD5

                              20493ea7a09e6e3d13ce64e30964f38e

                              SHA1

                              3d31b3bb9b08789fde827c8dd548e6dde335025b

                              SHA256

                              41aac849549a1375dc58b46ff6980179991d71b8cd8fb4888aa639d59a5a1b99

                              SHA512

                              3c527a951bcb5b97267852f8795319c785063a1fa0e8bb8e3b31c2efab1c4d0759baba269012042f434bde4a96a8de0234ab3d6e87d1f4806f97c70781cb0625

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

                              Filesize

                              5KB

                              MD5

                              bddfd92e33cd1af4bd20c6b44f37cf4c

                              SHA1

                              27af34707fe63a2d6c7681d273de02ee3b22442a

                              SHA256

                              a86ef11bd3294f0a638d002dfd5d91d3730091b3fc15e455aad1d82284fa4bf6

                              SHA512

                              be24f0fea0b558ce4ae2feaf3cde3d0bfad090388fba15c9a28d2928d3975b3e067015f0b19fa3a579495605fe92f04fe9ea79c9c70568a1aff4fcb68b4661ca

                            • 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

                              11KB

                              MD5

                              5379296f0346c5a897e413f192434261

                              SHA1

                              bfd446974af7de50c8b846a3154e8a3682a6af86

                              SHA256

                              5ac59ac94f6b6e15ad35831f5b5b05f6d5513d7cf48a8febf69a2e2dea569099

                              SHA512

                              156c3c6dbf96940050c0bb01e239b94bda7de57157f0bd16b965a75cf859c0d5481c7e140eaf1b5bd3fa7e5137484af7b596f0b94c76e03a218f0d133e2d5370

                            • C:\Users\Admin\Downloads\OSIRIS-f5e5.htm

                              Filesize

                              8KB

                              MD5

                              5d0676005617bf85794ab50df9758438

                              SHA1

                              a9836cf6b787c4ed630cc3ea17970439d2a2b51a

                              SHA256

                              0abc0d68d1b70cde95b71e40300d2839b074cebed1b6a3b66deb2bece6f41b0c

                              SHA512

                              201d5691ed851593d79c0a2714ad3b9a691a9a6cb37fafbd9212ff6e38a13ee616b3f9649df9ce8aeea6a8386800ea7ed56e3de82f35469c9bc33d2c14ac7745

                            • memory/1640-4-0x0000000000400000-0x0000000000468000-memory.dmp

                              Filesize

                              416KB

                            • memory/1640-17-0x0000000003510000-0x0000000003537000-memory.dmp

                              Filesize

                              156KB

                            • memory/1640-15-0x0000000003510000-0x0000000003537000-memory.dmp

                              Filesize

                              156KB

                            • memory/1640-338-0x0000000003510000-0x0000000003537000-memory.dmp

                              Filesize

                              156KB

                            • memory/1640-16-0x0000000003510000-0x0000000003537000-memory.dmp

                              Filesize

                              156KB

                            • memory/1640-7-0x0000000000400000-0x0000000000468000-memory.dmp

                              Filesize

                              416KB

                            • memory/1640-6-0x0000000002770000-0x0000000002771000-memory.dmp

                              Filesize

                              4KB

                            • memory/1640-0-0x0000000002840000-0x00000000028F4000-memory.dmp

                              Filesize

                              720KB

                            • memory/1640-3-0x0000000002770000-0x0000000002771000-memory.dmp

                              Filesize

                              4KB

                            • memory/1640-2-0x0000000002840000-0x00000000028F4000-memory.dmp

                              Filesize

                              720KB

                            • memory/1640-1-0x0000000002770000-0x0000000002771000-memory.dmp

                              Filesize

                              4KB