Analysis

  • max time kernel
    145s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-09-2024 04:51

General

  • Target

    ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe

  • Size

    659KB

  • MD5

    ef18fa4495106a68af61c1d0d648ba82

  • SHA1

    4b693c53b6894266e5e016253bda958ae7c612a8

  • SHA256

    aab0204705447fbf2ab759e57a9baebba3c36ea59799b5a774c9265032f502c5

  • SHA512

    bf368e77cf8fdb67fb6221e6020149747bfb85f70691954029cd2e42a5b42f98d344cce682ea4796cff14e0b03fd15ce1390b88d8425a279bc2411de15971447

  • SSDEEP

    12288:KVi5h23Ks1mQnWattmsbMVSH05SxQiEQ9jmE56r:KVia3p0RzYa+E

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.

  • 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
  • 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\ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe"
    1⤵
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:2128
    • 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:1944
      • 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,0x100,0x104,0xd8,0x108,0x7ff9d75546f8,0x7ff9d7554708,0x7ff9d7554718
        3⤵
          PID:1252
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
          3⤵
            PID:3616
          • 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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2424 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4936
          • 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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:8
            3⤵
              PID:1152
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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:1016
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=3312 /prefetch:1
                3⤵
                  PID:4008
                • 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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4760 /prefetch:8
                  3⤵
                    PID:5008
                  • 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=2124,184392754391857281,13545192828793186828,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4760 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4940
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=4376 /prefetch:1
                    3⤵
                      PID:3336
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=4052 /prefetch:1
                      3⤵
                        PID:4488
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=3292 /prefetch:1
                        3⤵
                          PID:2564
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,184392754391857281,13545192828793186828,131072 --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=3560 /prefetch:1
                          3⤵
                            PID:4852
                        • C:\Windows\SysWOW64\cmd.exe
                          cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\ef18fa4495106a68af61c1d0d648ba82_JaffaCakes118.exe"
                          2⤵
                          • System Location Discovery: System Language Discovery
                          PID:2448
                      • C:\Windows\system32\vssvc.exe
                        C:\Windows\system32\vssvc.exe
                        1⤵
                        • Suspicious use of AdjustPrivilegeToken
                        PID:2456
                      • C:\Windows\system32\vssadmin.exe
                        C:\Windows\system32\vssadmin.exe Delete Shadows /Quiet /All
                        1⤵
                        • Interacts with shadow copies
                        PID:3736
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:440
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:5076

                          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

                            6KB

                            MD5

                            db8b4b00cf395e4f49a74485485717eb

                            SHA1

                            236f800969345ef89f17b8d4b918b78dbf153774

                            SHA256

                            a273fe24c9a7183546f46033dbc9003915ed1217bd3110e934eec68b2e256eeb

                            SHA512

                            cc1694de46f80f6f21e6c15d96e1184e0320eaaf6ad39843f5a8078b00fdab49ed16fea4e0a0b3fbb83bffabba176a8b9b578636e3338d04035aa95ae303e24c

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

                            Filesize

                            6KB

                            MD5

                            19b38ea2f9d63b1cd51315093503a652

                            SHA1

                            f7fc9fac8dbbb62bdcce3c089bb483b099e17384

                            SHA256

                            b26e2565fc6ba202a2e717b818e6881ea136e9372b445732cd72cb782821910b

                            SHA512

                            c2de185b16c473fcca89ef3febde1f5b14aa77c8da34126e11e4a1b4c38ab12eb109f34636bd81b4f28a4696bcb1d21860c20f3cfcc8813da8bf2de438d79a88

                          • 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

                            9e4296fc9ddf7fd00d4581297b9372a0

                            SHA1

                            01c0a4756a924a3c636d582f8a3d03689a889dcf

                            SHA256

                            d9840ec4e5071877755f2d21d55e029047640e5ccdd12c2087aeaccaec2299bc

                            SHA512

                            2bd62e82500fbb1ad661d68284e54377ef9daa8fd1b7d5bc61a8db5bef306c9c2e40eeb370663eae43b115b0f04243ea1bea42c31cdb144e94a69caec7282e00

                          • C:\lukitus-7203.htm

                            Filesize

                            8KB

                            MD5

                            a3c9502a04e23c086abdf74e847d405a

                            SHA1

                            1f097414199cbc8ab51674f711b98e565997a631

                            SHA256

                            8e555e69c1741b8a3d71912df3e8234907d975d347c7bc33232af34eaf11448b

                            SHA512

                            60e9f732fd815969d08ba8e58bd06b5725132b7d272733073713c6e3935977ee475aea520bb55a7fb013765b47f42967ef05c23a9e943723698bb6ce765b89b8

                          • memory/2128-296-0x0000000000400000-0x00000000004A7000-memory.dmp

                            Filesize

                            668KB

                          • memory/2128-0-0x00000000004B0000-0x00000000004B1000-memory.dmp

                            Filesize

                            4KB

                          • memory/2128-4-0x0000000000400000-0x00000000004A7000-memory.dmp

                            Filesize

                            668KB

                          • memory/2128-5-0x00000000004C0000-0x00000000004C1000-memory.dmp

                            Filesize

                            4KB

                          • memory/2128-3-0x0000000000400000-0x00000000004A7000-memory.dmp

                            Filesize

                            668KB

                          • memory/2128-2-0x0000000000400000-0x00000000004A7000-memory.dmp

                            Filesize

                            668KB

                          • memory/2128-1-0x00000000004C0000-0x00000000004C1000-memory.dmp

                            Filesize

                            4KB