Analysis

  • max time kernel
    146s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-09-2024 09:24

General

  • Target

    cf378ff9c338f8e3fe2ccbc279ccb2d8_JaffaCakes118.exe

  • Size

    276KB

  • MD5

    cf378ff9c338f8e3fe2ccbc279ccb2d8

  • SHA1

    aa49bb7ae6537617c001e72b1bb3add56fb25340

  • SHA256

    ba59dfee0118b34605cc03bb0b53033adf9f84d97f3dd91c41a857708237dfd9

  • SHA512

    bbed1e295569b7b7d06ea64a710a9f860fa4d4a137d0face966a86dccce65e88258f21463d17aada2e118f36d42b5c3f4da2ce1eaf50a8f2f9d082d73aaeeeae

  • SSDEEP

    6144:h+fyWABddKtrqpOsJ2as+/IkgW86+qy9EWL1nhAGEr3nX1l:h+fqdstrqQsJb/ccy9EWhhQ1

Malware Config

Signatures

  • ISR Stealer

    ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

  • ISR Stealer payload 3 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 2 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 4 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
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf378ff9c338f8e3fe2ccbc279ccb2d8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cf378ff9c338f8e3fe2ccbc279ccb2d8_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\AppData\Local\Temp-.exe
      "C:\Users\Admin\AppData\Local\Temp-.exe"
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1148
      • C:\Users\Admin\AppData\Local\Temp-.exe
        "C:\Users\Admin\AppData\Local\Temp-.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:640
        • C:\Users\Admin\AppData\Local\Temp-.exe
          /scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3752
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\AppData\Local\Temp-.html
      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:3360
      • 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,0x100,0x104,0xd8,0x108,0x7ffcb54d46f8,0x7ffcb54d4708,0x7ffcb54d4718
        3⤵
          PID:568
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2036 /prefetch:2
          3⤵
            PID:3012
          • 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=2016,3852296194806252624,9415652941064171002,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2428 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3316
          • 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=2016,3852296194806252624,9415652941064171002,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2932 /prefetch:8
            3⤵
              PID:1760
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --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:4112
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --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=3280 /prefetch:1
                3⤵
                  PID:3788
                • 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=2016,3852296194806252624,9415652941064171002,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4992 /prefetch:8
                  3⤵
                    PID:2388
                  • 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=2016,3852296194806252624,9415652941064171002,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4992 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:852
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --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:2088
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --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=5068 /prefetch:1
                      3⤵
                        PID:264
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --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=5520 /prefetch:1
                        3⤵
                          PID:752
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --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=5572 /prefetch:1
                          3⤵
                            PID:1312
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2016,3852296194806252624,9415652941064171002,131072 --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=1848 /prefetch:2
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:2780
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4540
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1316

                          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

                            b9569e123772ae290f9bac07e0d31748

                            SHA1

                            5806ed9b301d4178a959b26d7b7ccf2c0abc6741

                            SHA256

                            20ab88e23fb88186b82047cd0d6dc3cfa23422e4fd2b8f3c8437546a2a842c2b

                            SHA512

                            cfad8ce716ac815b37e8cc0e30141bfb3ca7f0d4ef101289bddcf6ed3c579bc34d369f2ec2f2dab98707843015633988eb97f1e911728031dd897750b8587795

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

                            Filesize

                            152B

                            MD5

                            eeaa8087eba2f63f31e599f6a7b46ef4

                            SHA1

                            f639519deee0766a39cfe258d2ac48e3a9d5ac03

                            SHA256

                            50fe80c9435f601c30517d10f6a8a0ca6ff8ca2add7584df377371b5a5dbe2d9

                            SHA512

                            eaabfad92c84f422267615c55a863af12823c5e791bdcb30cabe17f72025e07df7383cf6cf0f08e28aa18a31c2aac5985cf5281a403e22fbcc1fb5e61c49fc3c

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            183B

                            MD5

                            f0ea19a9382db53475591ae11cbae88e

                            SHA1

                            614e9954fed60729697bee986299b4217409c06f

                            SHA256

                            ab92ce10420273e9b5451e551258b3f9a6972c18b743200c6f79d9f5f250ba31

                            SHA512

                            64715ddee3c0bbfc44e52fb018871e2f4b2a58c6d983c259df9c3411269238a76f8167d5efb63711a233dcc59cf51ff09e4e5530c0d6b8ec1f7245dc62ad79f3

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

                            Filesize

                            111B

                            MD5

                            807419ca9a4734feaf8d8563a003b048

                            SHA1

                            a723c7d60a65886ffa068711f1e900ccc85922a6

                            SHA256

                            aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

                            SHA512

                            f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

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

                            Filesize

                            5KB

                            MD5

                            f841630d4b0bd6a311d3948e07e29da2

                            SHA1

                            77cbab6c7ef406821d94bdc50c693f4d6c08df2e

                            SHA256

                            029b728bab40bdd69854f2e880d97e23080c47fbf531009431a80e1c2dabf05d

                            SHA512

                            8a925f17595856a0f6cfa1d573bfa9b98de5fdc4c383a3331041a0d349b452dfcc7895334e62c7bdcfd4bc33acfa0b0fa937d54d16086537ce1c5097b34c29f0

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

                            Filesize

                            6KB

                            MD5

                            e7d592dcf84ad04e1fea903b7e89d1b6

                            SHA1

                            2918189d54b0b5becfc27df4ed30183e2cdaa53c

                            SHA256

                            847341a8fce9ffd4b70cded16cb5486d0647199416f490c5933c6feb5284df20

                            SHA512

                            9db860eebeb288c390dc2b9cedf8f74320d067c60a87dbad82913a84c5db0799cb2ea4d3ac296d8d5c372c1d5dd26ef75a2f39031bb56c6f2975cf69bc03112d

                          • 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

                            cc20dc687c8e2416d1a4923e80567fa6

                            SHA1

                            cd89d0361faf1f95856b68a133d988c734f70181

                            SHA256

                            d88c3932a2d91bb857f4ada17d1cad3474e9b38d656f09b938cd5347ac097c59

                            SHA512

                            f95852895845eea0146232bb7f3c11b54315c5b74e9fb61ce2ebf9f0efd1e8a3c3cfaad2a8e5cd1efcb2106d659c2b89498989089b3281b85004d62c146cd6b8

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

                            Filesize

                            252KB

                            MD5

                            14c6fe940d7a17dd0ca995e5ff6c903d

                            SHA1

                            2e21cb731406fb73a06d937f973c86c839ba62d7

                            SHA256

                            225829356ad00c2f1c3e5d8dd4edb61ae446d3b2ec4ed3a9f282715a36a72b7f

                            SHA512

                            971b0bbc3f7767b460fcfc424352b5f22afe8f95035ba878ba0e803af52c19deb97587c27bcc53cc6cedec57a4ec06d007818c3ec11b3ccdc096a2c9133fa937

                          • C:\Users\Admin\AppData\Local\Temp-.html

                            Filesize

                            3KB

                            MD5

                            ee0470cddec41881566c6738b0025fac

                            SHA1

                            bfb7329dea0bad12b08a2d507cc49565071b276a

                            SHA256

                            3b260c0436e2b8aa665fae8c96d9086ba8946215679a36ce53630854b60591c6

                            SHA512

                            fb531cd4b74d0a9f94e738dbafab33c65cd59ad4ea62e5cb8d8a2d4e58bfbf71b9314226fd9bf95095dbc3e67887445e09c84a7819efc3060f60af9caf7d94e0

                          • C:\Users\Admin\AppData\Local\Temp\tmp.ini

                            Filesize

                            5B

                            MD5

                            d1ea279fb5559c020a1b4137dc4de237

                            SHA1

                            db6f8988af46b56216a6f0daf95ab8c9bdb57400

                            SHA256

                            fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

                            SHA512

                            720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

                          • memory/640-67-0x0000000000400000-0x0000000000432000-memory.dmp

                            Filesize

                            200KB

                          • memory/640-26-0x0000000000400000-0x0000000000432000-memory.dmp

                            Filesize

                            200KB

                          • memory/640-29-0x0000000000400000-0x0000000000432000-memory.dmp

                            Filesize

                            200KB

                          • memory/3752-36-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/3752-40-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/3752-37-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/3752-32-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB