Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2024, 08:54

General

  • Target

    40ebefdec6870263827ce6425702e785_JaffaCakes118.exe

  • Size

    654KB

  • MD5

    40ebefdec6870263827ce6425702e785

  • SHA1

    6eeb5a2e81f54e1eec1eb7af2ed621504011065b

  • SHA256

    0d0ec7cc3b6c9ca1251cfb8672cd4e9c68080f7f0a67ad17357f62a9fd4aea5d

  • SHA512

    62e1f05949536d7ac5ae878c5eff25dda11cb44073c27d93a203b39fd029664b17966c60a047bf7a3345ab0bee99548b589fef20e8257c8351c18fbd6459c54d

  • SSDEEP

    12288:/jmKnV9Lv7w9/X/cqujXisFagbSn7Iu+Oyj6IS4fGY9+HcmH:/xnfS/XfuDisAgbeUup4OY9+F

Malware Config

Signatures

  • Locky (Lukitus variant)

    Variant of the Locky ransomware seen in the wild since late 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\40ebefdec6870263827ce6425702e785_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40ebefdec6870263827ce6425702e785_JaffaCakes118.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\lukitus.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:1168
      • 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,0x100,0x104,0xd8,0x108,0x7ffe0dd546f8,0x7ffe0dd54708,0x7ffe0dd54718
        3⤵
          PID:1044
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,3575939720039435139,7227516266447961150,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
          3⤵
            PID:936
          • 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=2140,3575939720039435139,7227516266447961150,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2204 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4820
          • 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=2140,3575939720039435139,7227516266447961150,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2824 /prefetch:8
            3⤵
              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=2140,3575939720039435139,7227516266447961150,131072 --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=3272 /prefetch:1
              3⤵
                PID:4720
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3575939720039435139,7227516266447961150,131072 --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=3292 /prefetch:1
                3⤵
                  PID:2888
                • 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=2140,3575939720039435139,7227516266447961150,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5160 /prefetch:8
                  3⤵
                    PID:1960
                  • 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=2140,3575939720039435139,7227516266447961150,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5160 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1968
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3575939720039435139,7227516266447961150,131072 --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=2132 /prefetch:1
                    3⤵
                      PID:4796
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3575939720039435139,7227516266447961150,131072 --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=4768 /prefetch:1
                      3⤵
                        PID:1048
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3575939720039435139,7227516266447961150,131072 --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=5376 /prefetch:1
                        3⤵
                          PID:2704
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,3575939720039435139,7227516266447961150,131072 --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=5448 /prefetch:1
                          3⤵
                            PID:2220
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\40ebefdec6870263827ce6425702e785_JaffaCakes118.exe"
                          2⤵
                            PID:1648
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3936
                          • C:\Windows\System32\CompPkgSrv.exe
                            C:\Windows\System32\CompPkgSrv.exe -Embedding
                            1⤵
                              PID:3060

                            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

                                    4dc6fc5e708279a3310fe55d9c44743d

                                    SHA1

                                    a42e8bdf9d1c25ef3e223d59f6b1d16b095f46d2

                                    SHA256

                                    a1c5f48659d4b3af960971b3a0f433a95fee5bfafe5680a34110c68b342377d8

                                    SHA512

                                    5874b2310187f242b852fa6dcded244cc860abb2be4f6f5a6a1db8322e12e1fef8f825edc0aae75adbb7284a2cd64730650d0643b1e2bb7ead9350e50e1d8c13

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

                                    Filesize

                                    152B

                                    MD5

                                    c9c4c494f8fba32d95ba2125f00586a3

                                    SHA1

                                    8a600205528aef7953144f1cf6f7a5115e3611de

                                    SHA256

                                    a0ca609205813c307df9122c0c5b0967c5472755700f615b0033129cf7d6b35b

                                    SHA512

                                    9d30cea6cfc259e97b0305f8b5cd19774044fb78feedfcef2014b2947f2e6a101273bc4ad30db9cc1724e62eb441266d7df376e28ac58693f128b9cce2c7d20d

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

                                    Filesize

                                    6KB

                                    MD5

                                    ec5fecd2f433a351beac6297e2f96f21

                                    SHA1

                                    1eda79082a22d379d887c8e21f6911567547ea27

                                    SHA256

                                    754ba04ee0f830e8cc1f8dabed125d2044e7cc28582f7d40539cd490e46d33b6

                                    SHA512

                                    30d133175619720985012284053e06d14953f0ca5321ca5c1cafbcdc97e382c4a5133f984f4f636657b0faa86f8c53a391485e2fd36d6839236487c3c056d68a

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

                                    Filesize

                                    5KB

                                    MD5

                                    46c739e8589e708b123a41edfb9437fe

                                    SHA1

                                    6f4a72af48f19feebbd2d5200d90536957b2a4bf

                                    SHA256

                                    a339c29f4807c244026ba6c7c8adf4cf90490c1d3f4ad1aabaeafff75187a3d2

                                    SHA512

                                    84560714d07e51ec57d64b154adc1744d8dbcb82c9675bc9a2cb4a1f81838cc26f5ce6a08f60df678f5fca0ba36fa2aa4f45e326a48a42b2424cc091a13fcac4

                                  • 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\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\Local State

                                    Filesize

                                    11KB

                                    MD5

                                    4b727650e0ceaab91ba3dc36c7eec2b5

                                    SHA1

                                    892e39254785068a24fd9a6ec8f7a087dca8f2df

                                    SHA256

                                    5548f6bd88182b101fdab86834170cee5c91568d22ea9f6c4e561eb606da9283

                                    SHA512

                                    7e6dc7f4c855dd4b27f79605418ba75281152507d391a461c1ecf611f5b4b5d89a9f5f61822a44459b080f0167b12eccd2bd3f2e1a8f4cbab5e54f0c651e4e20

                                  • C:\lukitus-17ac.htm

                                    Filesize

                                    7KB

                                    MD5

                                    8f5059154de4b32928653ce3d7175505

                                    SHA1

                                    bae183efe9566d6b6d4e8fce3935952eb780fbce

                                    SHA256

                                    eba2cd0e5770de3213ff411e3a6f68fdb3660200b34d61d3b98ef5ffdc8a31b4

                                    SHA512

                                    a9ceebaacd9331728d5f22f1155d32c4bab231e31c596dc141f5f0df2443e3dcda0306adb97722f772c1b636ec287a7fd75505e2912a59360de0b4a56f46d4c0

                                  • memory/2544-2-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB

                                  • memory/2544-306-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB

                                  • memory/2544-13-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB

                                  • memory/2544-9-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB

                                  • memory/2544-7-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB

                                  • memory/2544-5-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB

                                  • memory/2544-0-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB

                                  • memory/2544-4-0x00000000001D0000-0x00000000001D1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2544-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2544-1-0x0000000000400000-0x00000000004A6000-memory.dmp

                                    Filesize

                                    664KB