Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2025, 15:10

General

  • Target

    JaffaCakes118_40dadb31be99c854573769b3141c156f.exe

  • Size

    16KB

  • MD5

    40dadb31be99c854573769b3141c156f

  • SHA1

    9e27f172a85337ca340120a26cdac1a74791276f

  • SHA256

    e8bf17254e3a94cf7883caac0fbd2b534f7efc7544d239c12447094be56d5ab0

  • SHA512

    562f98aecef901308fbb59bf510c09b1a01799f08865b194c09c42daae4b03cbeedbc7dedd03b85cf1844942372fa0d3599d196abb49b5b1cdfb454ec51b82aa

  • SSDEEP

    384:P1wPXbtu3BvXuPik8rINykudC+5X8lfPOZQwRt:avbtu3hYGC+5XqfPOZQU

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 6 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
  • Modifies Internet Explorer start page 1 TTPs 4 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dadb31be99c854573769b3141c156f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40dadb31be99c854573769b3141c156f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer start page
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4180
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://mmsf.miwin.net/
      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:3896
      • 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,0x100,0x104,0xd8,0x108,0x7ff9a4b946f8,0x7ff9a4b94708,0x7ff9a4b94718
        3⤵
          PID:3544
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2100 /prefetch:2
          3⤵
            PID:4392
          • 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=2076,669846392436632736,11341062249754883385,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2152 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2980
          • 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=2076,669846392436632736,11341062249754883385,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2612 /prefetch:8
            3⤵
              PID:4652
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=2860 /prefetch:1
              3⤵
                PID:3268
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=2872 /prefetch:1
                3⤵
                  PID:1928
                • 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=2076,669846392436632736,11341062249754883385,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5296 /prefetch:8
                  3⤵
                    PID:1180
                  • 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=2076,669846392436632736,11341062249754883385,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5296 /prefetch:8
                    3⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3248
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=5396 /prefetch:1
                    3⤵
                      PID:3104
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=5468 /prefetch:1
                      3⤵
                        PID:1136
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=5696 /prefetch:1
                        3⤵
                          PID:724
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=5752 /prefetch:1
                          3⤵
                            PID:5048
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6036 /prefetch:1
                            3⤵
                              PID:2384
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3880 /prefetch:1
                              3⤵
                                PID:1144
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=4168 /prefetch:1
                                3⤵
                                  PID:1196
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1812 /prefetch:1
                                  3⤵
                                    PID:456
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,669846392436632736,11341062249754883385,131072 --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=3972 /prefetch:2
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1388
                                • C:\Windows\system\taskmgr.exe
                                  "C:\Windows\system\taskmgr.exe"
                                  2⤵
                                  • Executes dropped EXE
                                  • Adds Run key to start application
                                  • Drops file in System32 directory
                                  • Drops file in Windows directory
                                  • System Location Discovery: System Language Discovery
                                  • Modifies Internet Explorer start page
                                  • Modifies registry class
                                  • Suspicious behavior: GetForegroundWindowSpam
                                  • Suspicious use of SetWindowsHookEx
                                  PID:4648
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:1440
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:2808

                                  Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

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                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\6d7a9d56-5b28-44b1-8576-b730648e80e8.tmp

                                          Filesize

                                          10KB

                                          MD5

                                          09d0ab88a0a34732ec8766265f0c82a9

                                          SHA1

                                          d6fab54608b18ebbd96c499443c5b6a0e12713e1

                                          SHA256

                                          94032b8195cc39b990b6c9d3f9ae60607fd9ef88b2ccd31d3fde069ee29beddc

                                          SHA512

                                          c7f512c4b980e9ee5fe54de7b4df635eadd65424a8d2d63bcf75bf102455997c6efa362f642af88e1098e9de4fc0aef5d4fbb4ea4b4742282523e96088ca3d68

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

                                          Filesize

                                          152B

                                          MD5

                                          443a627d539ca4eab732bad0cbe7332b

                                          SHA1

                                          86b18b906a1acd2a22f4b2c78ac3564c394a9569

                                          SHA256

                                          1e1ad9dce141f5f17ea07c7e9c2a65e707c9943f172b9134b0daf9eef25f0dc9

                                          SHA512

                                          923b86d75a565c91250110162ce13dd3ef3f6bdde1a83f7af235ed302d4a96b8c9ed722e2152781e699dfcb26bb98afc73f5adb298f8fd673f14c9f28b5f764d

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

                                          Filesize

                                          152B

                                          MD5

                                          99afa4934d1e3c56bbce114b356e8a99

                                          SHA1

                                          3f0e7a1a28d9d9c06b6663df5d83a65c84d52581

                                          SHA256

                                          08e098bb97fd91d815469cdfd5568607a3feca61f18b6b5b9c11b531fde206c8

                                          SHA512

                                          76686f30ed68144cf943b80ac10b52c74eee84f197cee3c24ef7845ef44bdb5586b6e530824543deeed59417205ac0e2559808bcb46450504106ac8f4c95b9da

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

                                          Filesize

                                          5KB

                                          MD5

                                          232d58c76bf18060210dad667d99c4c3

                                          SHA1

                                          7f007231df190205624c2b242c51abca2a989b68

                                          SHA256

                                          a24783a65c25e7b725958f4182450a12461b44de0b8f095da3fb57bfad7ded28

                                          SHA512

                                          bd2daf90153f8c1ec1480b4b8ffa2d03c56374c0a5d775bdc425f45eed6f9d6276fa445e6bdc1effccba30909ad93c5b67cc1d4d8ded2233a1bbb9a4a787093b

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

                                          Filesize

                                          6KB

                                          MD5

                                          db069e92b68424bccb302e3290eb5457

                                          SHA1

                                          9c5074f1a1e8b0b0222cd8a65138134749edd4d7

                                          SHA256

                                          2cb475d444872c86ac5574904d28d9af4b7f3c655c6f052423b03c7485dd60b7

                                          SHA512

                                          d8bce3b297af5b529823ba4a09847dfc02f04ba738c02473a669fd3408214cf9314fd147f07673f873dd790101f54b03362458af3786b0c1672da33c4694f8f0

                                        • 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:\Windows\System\taskmgr.exe

                                          Filesize

                                          16KB

                                          MD5

                                          40dadb31be99c854573769b3141c156f

                                          SHA1

                                          9e27f172a85337ca340120a26cdac1a74791276f

                                          SHA256

                                          e8bf17254e3a94cf7883caac0fbd2b534f7efc7544d239c12447094be56d5ab0

                                          SHA512

                                          562f98aecef901308fbb59bf510c09b1a01799f08865b194c09c42daae4b03cbeedbc7dedd03b85cf1844942372fa0d3599d196abb49b5b1cdfb454ec51b82aa

                                        • memory/4180-14-0x0000000000400000-0x0000000000410000-memory.dmp

                                          Filesize

                                          64KB

                                        • memory/4648-83-0x0000000000400000-0x0000000000410000-memory.dmp

                                          Filesize

                                          64KB