Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 06:58

General

  • Target

    38eb1c21485ac830ac935e21437e5676_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    38eb1c21485ac830ac935e21437e5676

  • SHA1

    65b3ace393ca5dae503857a3308b16f23053b986

  • SHA256

    b11f5ffdeee77d18b25bd2594dd3b80014c4715e0497877a0c5faa6032c3fab5

  • SHA512

    9af26770ba2a29e92002c5e44232863f83e64487ce1c2a242e9758ec377d4ead0a57c0c8020e88d691a7c9d425d6be094cffd4e890e36fed948d6926e9791c4b

  • SSDEEP

    24576:hrJKUKRvzuei/bc6EGn5u5TtyJ8adjCzjyhhcDkPQcKiwMH5yUKc5thLfrXa7sju:h1Kbxzur/bc6/nRJ/aOheDkPQcKiwMHk

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops Chrome extension 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 3 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
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38eb1c21485ac830ac935e21437e5676_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\38eb1c21485ac830ac935e21437e5676_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Users\Admin\AppData\Local\Temp\crpF4F0.exe
      /S /notray
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:4032
    • C:\Users\Admin\AppData\Roaming\B1Toolbar\hpet.exe
      -home -home2 -hie -hff -hgc -spff -et -channel 162341
      2⤵
      • Executes dropped EXE
      • Drops Chrome extension
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Suspicious behavior: EnumeratesProcesses
      PID:3960
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.4shared.com/mp3/ipV_Gt_1/Elaine_de_Jesus_-__Demais__pla.html?ref=downloadhelpererror
      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:4812
      • 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,0x100,0x104,0xd8,0x108,0x7ffa6dfa46f8,0x7ffa6dfa4708,0x7ffa6dfa4718
        3⤵
          PID:4728
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2052,6866680938428748773,8747907724802734738,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2080 /prefetch:2
          3⤵
            PID:3144
          • 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=2052,6866680938428748773,8747907724802734738,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2488 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3332
          • 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=2052,6866680938428748773,8747907724802734738,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2820 /prefetch:8
            3⤵
              PID:1640
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,6866680938428748773,8747907724802734738,131072 --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=3248 /prefetch:1
              3⤵
                PID:4732
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,6866680938428748773,8747907724802734738,131072 --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=3276 /prefetch:1
                3⤵
                  PID:1404
                • 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=2052,6866680938428748773,8747907724802734738,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5228 /prefetch:8
                  3⤵
                    PID:4588
                  • 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=2052,6866680938428748773,8747907724802734738,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5228 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:2988
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,6866680938428748773,8747907724802734738,131072 --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=4812 /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=2052,6866680938428748773,8747907724802734738,131072 --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=4952 /prefetch:1
                      3⤵
                        PID:3780
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,6866680938428748773,8747907724802734738,131072 --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=4036 /prefetch:1
                        3⤵
                          PID:5060
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2052,6866680938428748773,8747907724802734738,131072 --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=5556 /prefetch:1
                          3⤵
                            PID:4532
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2052,6866680938428748773,8747907724802734738,131072 --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=3848 /prefetch:2
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:756
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:400
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3580

                          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

                            ba6ef346187b40694d493da98d5da979

                            SHA1

                            643c15bec043f8673943885199bb06cd1652ee37

                            SHA256

                            d86eec91f295dfda8ed1c5fa99de426f2fe359282c7ebf67e3a40be739475d73

                            SHA512

                            2e6cc97330be8868d4b9c53be7e12c558f6eb1ac2c4080a611ba6c43561d0c5bb4791b8a11a8c2371599f0ba73ed1d9a7a2ea6dee2ae6a080f1912e0cb1f656c

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

                            Filesize

                            152B

                            MD5

                            b8880802fc2bb880a7a869faa01315b0

                            SHA1

                            51d1a3fa2c272f094515675d82150bfce08ee8d3

                            SHA256

                            467b8cd4aacac66557712f9843023dcedefcc26efc746f3e44157bc8dac73812

                            SHA512

                            e1c6dba2579357ba70de58968b167d2c529534d24bff70568144270c48ac18a48ee2af2d58d78ae741e5a36958fa78a57955bd2456f1df00b781fc1002e123d2

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

                            Filesize

                            6KB

                            MD5

                            9721f32c2db86a9611c9b1af41f0e05c

                            SHA1

                            3643d98141d157c602ac635d5aed656c4bc6ff0d

                            SHA256

                            ba54351078ac93514302dfbc116e3c9a5c3cb7d3d6786ff09767e2b296359f90

                            SHA512

                            acfac605651d1002e29ddf22f995e10bfcda26effbc7a3f12025114a7a19adcbdc82da9cf3a6708f1d62df59ce34f4977db9a159574e38d63b8ade5d820028e2

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

                            Filesize

                            6KB

                            MD5

                            7ae809576d3d76010718b1298f4629c3

                            SHA1

                            78caec5cb11502236c120aadb3edf9fbc094b7d0

                            SHA256

                            bce68af6c1f69efe5a540af8e553a50845157d374ae6ca92a487c1a978d5f48d

                            SHA512

                            62665a3c5f5609133cb8032b0a93704c7fc3f7abd11a39a41fef1f599315270cd74eff5fd88749b8db0de29e4bf774e0fb76213e1119010ee3e8e0fc077b74c6

                          • 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

                            10KB

                            MD5

                            66370b0667ff924459cab8cd16b87819

                            SHA1

                            f7a8ff95c26a49fa2c038f6f9cfec82e19603add

                            SHA256

                            fb03662bd55558b0965cb6062c0bf54feeb339e92ddb8e5883b6458fd788ccbc

                            SHA512

                            b9224d56e3e35c3150a1337383488b62c60426b9004f5582f9427edec9b898c2e3e08539d2b3087d5ade4232125c5f137118de4bbb4b833fb0198d9310376c28

                          • C:\Users\Admin\AppData\Local\Temp\crpF4F0.exe

                            Filesize

                            806KB

                            MD5

                            14ec55240339c1239a400fbb9bc060a6

                            SHA1

                            428982e064e12a4ebc3dbaab1f205aa17ab6b7c3

                            SHA256

                            9755e30cf56ab363aa55a4b6a74896ab41011c448aaa6c8d658de97c231ff084

                            SHA512

                            56074ff17160fb81aa6e6f0e408c4e91f4e9a8607b0d8a21248cc3b0b632a461f4e2ea4deaa1918cb29c114bb4008f10ce49e32c776a956771b77521bbbbc29c

                          • C:\Users\Admin\AppData\Roaming\B1Toolbar\hpet.exe

                            Filesize

                            331KB

                            MD5

                            a3e93460c26e27a69594dc44eb58e678

                            SHA1

                            a615a8a12aa4e01c2197f4f0d78605a75979a048

                            SHA256

                            3a81cefbc928fe136056257b8b57733164f2d1fa9d944dc02897b31b171335c6

                            SHA512

                            39d17b7190f3ff5b3bc3170c8e21d7bba5c32c0f55bd372af2e848ff1ef1392083218a562f3361fdc2db95e4133a19c4ec1cab3e982174d76b8276358dac6530