Analysis

  • max time kernel
    135s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 15:00

General

  • Target

    c537ad6b878730ba88834bdb361e3bd7_JaffaCakes118.exe

  • Size

    595KB

  • MD5

    c537ad6b878730ba88834bdb361e3bd7

  • SHA1

    f6568b081dd562bcee939c9f691184b37ac10046

  • SHA256

    4b6ffe7c8bb710c3b3e7eef0a79dae32ec9c3a4a3684d252caff3f8a33bd8856

  • SHA512

    1e3b631f5178084ed49c5d22513c67aa6f8291aeb7a513f5aaeca44c83bd0bd0efb02c0d67b21e8829fe277c1befed01ae5e4bb5dca4befd2a28069e20451f05

  • SSDEEP

    12288:/mDxN5Hef7wWHX+IuNEFVqhJuWYI17c8Z7zo1N92:YN5+f7t3cEFVq5Y0wu7zoI

Malware Config

Signatures

  • Locky (Lukitus variant)

    Variant of the Locky ransomware seen in the wild since late 2017.

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 4 IoCs
  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies Control Panel 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\c537ad6b878730ba88834bdb361e3bd7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c537ad6b878730ba88834bdb361e3bd7_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:2624
    • 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:4476
      • 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,0x100,0x104,0xd8,0x108,0x7ff80ee546f8,0x7ff80ee54708,0x7ff80ee54718
        3⤵
          PID:4512
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1924,8534919550374596387,18191693890716204264,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1948 /prefetch:2
          3⤵
            PID:4480
          • 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=1924,8534919550374596387,18191693890716204264,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2544 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1620
          • 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=1924,8534919550374596387,18191693890716204264,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2936 /prefetch:8
            3⤵
              PID:628
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8534919550374596387,18191693890716204264,131072 --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=3240 /prefetch:1
              3⤵
                PID:3620
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8534919550374596387,18191693890716204264,131072 --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=3256 /prefetch:1
                3⤵
                  PID:4004
                • 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=1924,8534919550374596387,18191693890716204264,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
                  3⤵
                    PID:3884
                  • 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=1924,8534919550374596387,18191693890716204264,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2600
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8534919550374596387,18191693890716204264,131072 --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=5248 /prefetch:1
                    3⤵
                      PID:1844
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8534919550374596387,18191693890716204264,131072 --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=5264 /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=1924,8534919550374596387,18191693890716204264,131072 --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=3648 /prefetch:1
                        3⤵
                          PID:280
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8534919550374596387,18191693890716204264,131072 --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=3244 /prefetch:1
                          3⤵
                            PID:4340
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\c537ad6b878730ba88834bdb361e3bd7_JaffaCakes118.exe"
                          2⤵
                          • System Location Discovery: System Language Discovery
                          PID:2552
                      • C:\Windows\system32\vssvc.exe
                        C:\Windows\system32\vssvc.exe
                        1⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:3724
                      • C:\Windows\system32\vssadmin.exe
                        C:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All
                        1⤵
                        • Interacts with shadow copies
                        PID:3416
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:1532
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:4652

                          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

                            4dd2754d1bea40445984d65abee82b21

                            SHA1

                            4b6a5658bae9a784a370a115fbb4a12e92bd3390

                            SHA256

                            183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

                            SHA512

                            92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

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

                            Filesize

                            152B

                            MD5

                            ecf7ca53c80b5245e35839009d12f866

                            SHA1

                            a7af77cf31d410708ebd35a232a80bddfb0615bb

                            SHA256

                            882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

                            SHA512

                            706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

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

                            Filesize

                            5KB

                            MD5

                            ca54ccb8efcc0ea4ca7107f2ddaedb61

                            SHA1

                            7a8e975267d65806a8d8efa02e5919e2bf6b19d8

                            SHA256

                            1956ce766d98e82562a222ca99aced500c43a241fcb5c33b0fca7f692b3cbc07

                            SHA512

                            a30b267c112290d97a0186b68ae4e434500b9dcf5b0593dcc11297785b0530ac4dc72928c76d7c65e648c0013e1be7df73a7f9a30a7d7564cf7fbf7b256e481a

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

                            Filesize

                            6KB

                            MD5

                            e20ec98d44ba8cd2fbb4414307d9886b

                            SHA1

                            9d49d3a6c83b7f58cd54d03c95995529bcbe01f8

                            SHA256

                            829b35f0042aeca3c596ca8be13eb8aab5e48fadf0e7c11f2e8f0c76a82c50ec

                            SHA512

                            4e54996fb1ca94a53d3f251db593604ed271fe4582d2a5a3ee7487959c51ae82faae98b385a1ef8c8c47dfdb22be2c9909c7b400ebbd0619b9d5ab732d6556f9

                          • 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

                            890b2445adf9c29829a2a58dcf1e116a

                            SHA1

                            00f501ab1323592660251950df727fac4f719649

                            SHA256

                            cc255a8774dfeb0ca4defa6d08d055abfac73cd8d22d59cb972bbb25e34391f4

                            SHA512

                            c72606d6a9d7d1a3236e7bf83fc20107b94e3dbe2075f4d52dfa7a80dcadd18ed0a12fcc91c2a7f0dd71ae08a1b95952f1f269a6575cce14eba2d3fe2bcc65e6

                          • C:\Users\Admin\Desktop\lukitus.htm

                            Filesize

                            7KB

                            MD5

                            97becdac57fd42f32256adf2e3eee9cd

                            SHA1

                            0f458f928e29bbfc30283d1355cd5cbaa7300929

                            SHA256

                            e3099b26d18259741893c1a6123ca5bf0f8441aa5fd8a19d90ee4277b1dea926

                            SHA512

                            fbe98b894024543a38ef5f1131146a8945105a1019406963e0a646bcf5b7e307af80a05cae72a97db2d500f43f10da5917fe94c5d08d4f0b56d780f1dd10f7aa

                          • memory/2624-4-0x0000000000400000-0x0000000000496000-memory.dmp

                            Filesize

                            600KB

                          • memory/2624-7-0x0000000000400000-0x0000000000496000-memory.dmp

                            Filesize

                            600KB

                          • memory/2624-294-0x0000000000400000-0x0000000000496000-memory.dmp

                            Filesize

                            600KB

                          • memory/2624-8-0x00000000009B0000-0x00000000009B1000-memory.dmp

                            Filesize

                            4KB

                          • memory/2624-6-0x0000000002690000-0x0000000002691000-memory.dmp

                            Filesize

                            4KB

                          • memory/2624-5-0x0000000000400000-0x0000000000496000-memory.dmp

                            Filesize

                            600KB

                          • memory/2624-0-0x0000000000400000-0x0000000000496000-memory.dmp

                            Filesize

                            600KB

                          • memory/2624-3-0x00000000009B0000-0x00000000009B1000-memory.dmp

                            Filesize

                            4KB

                          • memory/2624-2-0x0000000002690000-0x0000000002691000-memory.dmp

                            Filesize

                            4KB

                          • memory/2624-1-0x0000000000400000-0x0000000000496000-memory.dmp

                            Filesize

                            600KB