Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-08-2024 17:57

General

  • Target

    8175d23d9793f4d94b56ccf99a02e1d4_JaffaCakes118.exe

  • Size

    356KB

  • MD5

    8175d23d9793f4d94b56ccf99a02e1d4

  • SHA1

    59c2ec2588b74cd1dce34a75709eb0b9a28ad47e

  • SHA256

    0e6b60cda28f2cd36c50a9e8d2560a68df7dc906555579aa9e2a2beb9558ab80

  • SHA512

    4b589f73b153f8d927884249eb087c077b08e1ca0545fee79ac13e5e930ff59838416645a058899856da324cef911bb88f3ee2baa085b1151c361aa99a6b813f

  • SSDEEP

    6144:f+yzrbgfQXhVQ0reKnkuHpRD+3nRUX1jlk2m4PvZRrJ0441eIMm8iCWNfukr5BxH:f+yzrbgfQXhVQ0reKnkuHp9+tjGRd04O

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 5 IoCs

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

  • 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\8175d23d9793f4d94b56ccf99a02e1d4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8175d23d9793f4d94b56ccf99a02e1d4_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Users\Admin\AppData\Local\Temp-.exe
      "C:\Users\Admin\AppData\Local\Temp-.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:216
      • 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:3652
        • 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:2144
    • 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:4360
      • 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,0x100,0x104,0xd8,0x108,0x7ffc39d246f8,0x7ffc39d24708,0x7ffc39d24718
        3⤵
          PID:4884
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
          3⤵
            PID:4348
          • 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=1824,1187849993569606675,3877628128213540994,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2400 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4536
          • 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=1824,1187849993569606675,3877628128213540994,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2804 /prefetch:8
            3⤵
              PID:1612
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --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=3252 /prefetch:1
              3⤵
                PID:2432
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --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=3284 /prefetch:1
                3⤵
                  PID:4120
                • 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=1824,1187849993569606675,3877628128213540994,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
                  3⤵
                    PID:2796
                  • 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=1824,1187849993569606675,3877628128213540994,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5196 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:4612
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --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=4764 /prefetch:1
                    3⤵
                      PID:2212
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --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=4740 /prefetch:1
                      3⤵
                        PID:1536
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --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=4140 /prefetch:1
                        3⤵
                          PID:5052
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --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=5624 /prefetch:1
                          3⤵
                            PID:436
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1824,1187849993569606675,3877628128213540994,131072 --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=1308 /prefetch:2
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:544
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4940
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:1708

                          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

                            94c981336abc388ca817dab46e7fc547

                            SHA1

                            2d0f8d89a31adb0aad5c599a195ff40ecf4b161f

                            SHA256

                            4d44efbb5447fedc3cb21311290fe6a9d0e5a0e682387a1a341bd214df820ef2

                            SHA512

                            f1c9c98f6642ea3b90c8667a4871d5a3b8c05eb0c50d5dc31e32704e0eeca1d33add414df485aced130523d6be824c48e37d0022b4d58db60006efe3e337fdbc

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

                            Filesize

                            152B

                            MD5

                            b55d2d2ff2a4d5d7eeaff5ebb96f3b4a

                            SHA1

                            12d94b9e84142b10d6347a2ff3b634a20f692c7a

                            SHA256

                            3d249eae36cfc3837b043e4b8df670724fee5657b302c77d488f1da3d835f776

                            SHA512

                            4dc2fe1eeaca5f9c91d548c70a44ffd12b806a385e22a3c5f724b6f749a15c9ccb3ac1a752c63225bd4d1d90f2b25d8004a15d3912ca6a3cb92fcba91248626f

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

                            Filesize

                            6KB

                            MD5

                            ecf5b52a08565324e3fb3c23d166622b

                            SHA1

                            974aa39e5afc7d54e837a53ab3b1a863d885ee57

                            SHA256

                            06b36e0cd0970a3a8cf1658f49a4f457806a70da9a2c5c4868a81c072843e47d

                            SHA512

                            0e561936ad7b977d3880d0961588394767056c1b7b9212668f55f0b6ecd47a3ad92e1b18c72c086d55de070b2a66a757b3ac08b3f1d99ee2f8eeaa56d88a863b

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

                            Filesize

                            6KB

                            MD5

                            bea4f6c8a078053386df2405dec69f65

                            SHA1

                            c181cc1ddaf100b93aabfb8e3ed9e3d4e1aa80a4

                            SHA256

                            8e8ecb66e73111c3c978e3c75a58f9a96d8c0b304ab8de9f7aa47bdadee8848f

                            SHA512

                            7628dbf8301d6e80f2ce81b6d6368064373ffa80cf4f896f0596e7f8ffb18ead96c4f55120fff9292c877db65c8f95f724343ac38f76ca1d68c794218eb6bdfa

                          • 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

                            4af23b9057c4e8b4d7df2dc7c4349e97

                            SHA1

                            a0509d726d63ead7081669e8e1a56e5acfc1e090

                            SHA256

                            64defe0775fd0204d78991fb31f50203c5ef8efff41ac87742302ea55c5eed07

                            SHA512

                            8c4d913aec5ab074249dabdf9da6ed4b32ac32d52d0772c7426fd453b6c1b40c65e70f10ccbb4adad9f34da8552a92bfa18481ef064b6cea9d8e954bc96b0d02

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

                            Filesize

                            336KB

                            MD5

                            fc45fa3d41a14e87a9c8dadc1f8e560e

                            SHA1

                            84082505bcf16e04a1bcb9d128da26adc8559ef5

                            SHA256

                            06553b252a56506e403a4e344d28d992a9a329f9e24ff576d73992d3d397c330

                            SHA512

                            12b03003f10095eb6b9670023b53049cdc194284df0b0ddd8477e2b8c1d13f3296047627dd6dfaa1f0d0a0d08eb676201d8b6738e06c1b810ce44c92f9197a15

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

                            Filesize

                            104B

                            MD5

                            c713264e2a6e4760599627fd5bb46f4e

                            SHA1

                            129ff949bc6912173cb6535a91a3d4581f9e7e51

                            SHA256

                            ca83465c499b4150eb9a8398caaf5211fef4d3c318520aff5899db2b55baa582

                            SHA512

                            deb4f5afdf750251cc9f03cc2dce34db92956f5d91ee00fd6fe4273d876df0ef56501def96ca95222e76d3cccce0731ad12a5602af9cb62fd03cf508e07ea40f

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

                            Filesize

                            5B

                            MD5

                            d1ea279fb5559c020a1b4137dc4de237

                            SHA1

                            db6f8988af46b56216a6f0daf95ab8c9bdb57400

                            SHA256

                            fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba

                            SHA512

                            720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

                          • memory/2144-32-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/2144-39-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/2144-40-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/2144-37-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/2144-36-0x0000000000400000-0x0000000000453000-memory.dmp

                            Filesize

                            332KB

                          • memory/3652-28-0x0000000000400000-0x0000000000432000-memory.dmp

                            Filesize

                            200KB

                          • memory/3652-29-0x0000000000400000-0x0000000000432000-memory.dmp

                            Filesize

                            200KB

                          • memory/3652-69-0x0000000000400000-0x0000000000432000-memory.dmp

                            Filesize

                            200KB