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Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/06/2024, 05:00

General

  • Target

    a3e5d841d9f5d05d54379f2000593a05_JaffaCakes118.exe

  • Size

    1002KB

  • MD5

    a3e5d841d9f5d05d54379f2000593a05

  • SHA1

    e17a8a5b920491f734fcc23196a21aee6404be62

  • SHA256

    5ac90ded16ebe4ad429814e349fcc77f3918d71a2432ec5c88089bde9dad1aee

  • SHA512

    5a7e1d65db314bcd7020ac96abd4dc898d5e109acc42c722fb6be600d7dbea348021ad457cab53e474717bd6df89f62e63b824299c3dc27b0daad34e519e5dbf

  • SSDEEP

    24576:bwbVDOIBEaftjvJmyCcDeDOxg9KRrEyPSocvgZ:GocDSOUKrPevo

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a3e5d841d9f5d05d54379f2000593a05_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a3e5d841d9f5d05d54379f2000593a05_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://appdown.naver.com/naver/font/NanumFont/setup/NanumFontSetup_TTF_ALL_totalsearch.exe
      2⤵
      • Enumerates system info in registry
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:752
      • 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,0x100,0x104,0xd8,0x108,0x7ff94a1446f8,0x7ff94a144708,0x7ff94a144718
        3⤵
          PID:1828
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2240 /prefetch:2
          3⤵
            PID:2256
          • 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=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3608
          • 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=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
            3⤵
              PID:928
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --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=3264 /prefetch:1
              3⤵
                PID:1112
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --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:412
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5220 /prefetch:8
                  3⤵
                    PID:3912
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5228 /prefetch:1
                    3⤵
                      PID:3224
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --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=5568 /prefetch:1
                      3⤵
                        PID:4380
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --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=5584 /prefetch:1
                        3⤵
                          PID:2868
                        • 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=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5840 /prefetch:8
                          3⤵
                            PID:2788
                          • 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=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5840 /prefetch:8
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:5104
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6140 /prefetch:8
                            3⤵
                              PID:3404
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5980 /prefetch:1
                              3⤵
                                PID:4828
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5836 /prefetch:1
                                3⤵
                                  PID:372
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2228,11774808109526806819,8734375454425563409,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2544 /prefetch:2
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1464
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4784
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3844

                                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

                                  c39b3aa574c0c938c80eb263bb450311

                                  SHA1

                                  f4d11275b63f4f906be7a55ec6ca050c62c18c88

                                  SHA256

                                  66f8d413a30451055d4b6fa40e007197a4bb93a66a28ca4112967ec417ffab6c

                                  SHA512

                                  eeca2e21cd4d66835beb9812e26344c8695584253af397b06f378536ca797c3906a670ed239631729c96ebb93acfb16327cf58d517e83fb8923881c5fdb6d232

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

                                  Filesize

                                  152B

                                  MD5

                                  dabfafd78687947a9de64dd5b776d25f

                                  SHA1

                                  16084c74980dbad713f9d332091985808b436dea

                                  SHA256

                                  c7658f407cbe799282ef202e78319e489ed4e48e23f6d056b505bc0d73e34201

                                  SHA512

                                  dae1de5245cd9b72117c430250aa2029eb8df1b85dc414ac50152d8eba4d100bcf0320ac18446f865dc96949f8b06a5b9e7a0c84f9c1b0eada318e80f99f9d2b

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

                                  Filesize

                                  6KB

                                  MD5

                                  6017ea2b6ef141dedaf98cc6fd9c516c

                                  SHA1

                                  716b191a9725a3829ef99163cdfad3d0903ca4ad

                                  SHA256

                                  cc153b49ae266138e7009c29a7b60b80739e3f1923bbb2e6e27f81b7f0b36d12

                                  SHA512

                                  a4f54070b4758dfcbf4ed77deae820c4381e7485fa00e2f5d4fe52abd4945cef0da666e0c68e6b32957f123719e104c34700d1a1328d834146f68609effa687f

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

                                  Filesize

                                  6KB

                                  MD5

                                  fec55d9b8fb8ee62e7f39b11b39ed962

                                  SHA1

                                  af83686c7a3ef528c8978816c28b008c6d421cfc

                                  SHA256

                                  9ae0ca3217dc48be57cbae7722275aa13b0871828224f7c735cd29633412d96a

                                  SHA512

                                  cc17be84b0ae9df5d3276e46723b10b53de5693af645e8078ca6b770fee6c32d209224c97002a779ca9383c4c8cdccbd99904f5b7226f7850a6c827815e99144

                                • 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

                                  2502d305cb9245382625e4897a030fe4

                                  SHA1

                                  75a32a7569cb93c39510ce2d3cffad1f74cbfe41

                                  SHA256

                                  447d3c88207a6dacf74aa92e293631905195ae8ce1e92d5e6b46f2b28dcfc890

                                  SHA512

                                  8b93cfe5e9fa819743a8b2dd792321f5a544ae812f7a243f3bf0f7327f420d96f7ab4815805f0a9165f76a80cf3c3bec4ba3e825ee72c91d2b62227a848b7b40

                                • C:\Users\Admin\AppData\Local\Temp\nsr3F8A.tmp\advsplash.dll

                                  Filesize

                                  5KB

                                  MD5

                                  15d8eee287329e2030c34c6bb3e62c87

                                  SHA1

                                  1de23c0883f7a80a489e140c55b16970dd0264ab

                                  SHA256

                                  9bf33690090655e91389469beb5dbdd45942192f2e2486c9fa82fa6d74a0f88b

                                  SHA512

                                  6ee495dcefd131ca490d6f3077643f49598184c3a49f1f66ed7a6d1559ebb9266c8c87cf49c06cdde8a6cd0643fb46f83d13aa5f27ba0c90de4791cb8bad29c0

                                • C:\Users\Admin\Downloads\Unconfirmed 968487.crdownload

                                  Filesize

                                  20.2MB

                                  MD5

                                  bdc22ed32ac954e144bad424d1cb4e10

                                  SHA1

                                  dc2de09502a8ef3057a9b415f57bfeffd179bc1d

                                  SHA256

                                  63cbbe0fef0a509bed8031976b30a0fa30d1a49c41a0942ea436db9ccec6a849

                                  SHA512

                                  89b1d4f852163cc143384b8e7a037b849657fe05a009a2014ea778014a099711b493ed38ca59e5df8278fee84e6276971a3b4cac35048e032469d76b82765a44