Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-02-2025 04:29

General

  • Target

    JaffaCakes118_1e7e067e8c6295acbcdb2d02f8abfb50.exe

  • Size

    572KB

  • MD5

    1e7e067e8c6295acbcdb2d02f8abfb50

  • SHA1

    1eab57b41229282041ae683ab9879301cdc216da

  • SHA256

    e012e66d9a494b58b9b318ef8aaf498cbc6015dc1d70f42da7b1c65dd9475692

  • SHA512

    d1b59baa7b79f1e8c4778a82459c725d07f9eabb38a23e636959eeab12bea79e0488cdd9582e32a32ce443e93dfe5228f04d627a573ec89d21c564a81d051e5e

  • SSDEEP

    12288:TIiNeva/l8GAN7es5kwZ1fZBFnhQRgqfdKek8wMBBpgk2asHBTttBRS8aQH8v8si:d9iBWnpB3lS7BE86e

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

  • Expiro payload 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 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 10 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e7e067e8c6295acbcdb2d02f8abfb50.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e7e067e8c6295acbcdb2d02f8abfb50.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?LinkId=9996
      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:3808
      • 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,0x100,0x104,0xd8,0x108,0x7ffcacea46f8,0x7ffcacea4708,0x7ffcacea4718
        3⤵
          PID:4028
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2008 /prefetch:2
          3⤵
            PID:708
          • 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=1876,5016797524998446183,12514835666288885217,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2244 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4052
          • 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=1876,5016797524998446183,12514835666288885217,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
            3⤵
              PID:1300
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=3260 /prefetch:1
              3⤵
                PID:3568
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=3272 /prefetch:1
                3⤵
                  PID:2876
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4928 /prefetch:1
                  3⤵
                    PID:2200
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=3268 /prefetch:1
                    3⤵
                      PID:4864
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=4016 /prefetch:1
                      3⤵
                        PID:1212
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=4988 /prefetch:1
                        3⤵
                          PID:2840
                        • 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=1876,5016797524998446183,12514835666288885217,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4748 /prefetch:8
                          3⤵
                            PID:992
                          • 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=1876,5016797524998446183,12514835666288885217,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4748 /prefetch:8
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4280
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=5108 /prefetch:1
                            3⤵
                              PID:4088
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4796 /prefetch:1
                              3⤵
                                PID:3556
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=4144 /prefetch:1
                                3⤵
                                  PID:2288
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=5004 /prefetch:1
                                  3⤵
                                    PID:5084
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1876,5016797524998446183,12514835666288885217,131072 --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=4856 /prefetch:2
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4884
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3220
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:2564

                                  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

                                    ab283f88362e9716dd5c324319272528

                                    SHA1

                                    84cebc7951a84d497b2c1017095c2c572e3648c4

                                    SHA256

                                    61e4aa4614e645255c6db977ea7da1c7997f9676d8b8c3aaab616710d9186ab2

                                    SHA512

                                    66dff3b6c654c91b05f92b7661985391f29763cf757cc4b869bce5d1047af9fb29bbe37c4097ddcfa021331c16dd7e96321d7c5236729be29f74853818ec1484

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

                                    Filesize

                                    152B

                                    MD5

                                    fffde59525dd5af902ac449748484b15

                                    SHA1

                                    243968c68b819f03d15b48fc92029bf11e21bedc

                                    SHA256

                                    26bc5e85dd325466a27394e860cac7bef264e287e5a75a20ea54eec96abd0762

                                    SHA512

                                    f246854e8ed0f88ca43f89cf497b90383e05ffa107496b4c346f070f6e9bbf1d9dc1bdcc28cad6b5c7810e3ba39f27d549061b3b413a7c0dd49faacae68cd645

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                    Filesize

                                    480B

                                    MD5

                                    7c10028df1c7b98446886adc5fd55fd9

                                    SHA1

                                    9655ba6c8c949174243612c883a42eea0746aa2d

                                    SHA256

                                    dfd98a89c87a49c22a07cfb5e89f4d1b2f3db8fc43676818d18a7340694fc030

                                    SHA512

                                    3e6da8454cb72d1e4d7ad2be63860e0522016f75117a8263e1677235a495e01ab4f0941b647ca267437077c8969c5b6a53b9220270ab777386a9f3c15ad8b95d

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

                                    Filesize

                                    1KB

                                    MD5

                                    ba62ed747b14e76486c326031615a8aa

                                    SHA1

                                    e90c7f57c07a83b8f28f370f8c26617b58591a1e

                                    SHA256

                                    4f7e3e286faaa56156dd4492672c35e913a60f95c72152021845f607293d5b72

                                    SHA512

                                    45c3895406d7f1f338660bed3ea5bd4f986c90743aaedc409decce061574c2e94f878056ac42924feb88729126ed542e2dac08933081cb54a52cad49cdfbadb1

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

                                    Filesize

                                    6KB

                                    MD5

                                    2c62123ac7e2d77937ea29c17344af37

                                    SHA1

                                    3fcd29865de019ef018c047bb06558ad236b9eaf

                                    SHA256

                                    0922b22bd6760e12062119e4b54389e5fa176c8106939f3af8727a498b9255b2

                                    SHA512

                                    7a697b2757e06fdc210700f5d58c974ca73412f7df1f5c311d30ca4977ad180dcb97bfd282da13e5cdde3ffaf5db81c4dcef51090831ac957d978ce27d9336d7

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

                                    Filesize

                                    6KB

                                    MD5

                                    378370300be1fe70f11e857746e0d492

                                    SHA1

                                    ee227a65ab7819412af44a98a0084bc9f7077274

                                    SHA256

                                    d3c9150596ccf6a7f05a6df3cde2400998b4c738719d4c452b1bf2e45b623127

                                    SHA512

                                    8fbac45ff08964079411c3060e27aa27042ebf4b227f31c106c71612a7981396a480e2577af692ada10b6fef1205c7e268a165ee4c40936f78006cd8c2fd8c7c

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

                                    Filesize

                                    1KB

                                    MD5

                                    556109421e07750af4267f49931e9566

                                    SHA1

                                    560eb05425f2e215aeef6cc7e4d963f0beec91fa

                                    SHA256

                                    5e12c7f89bb7ce49fc9a27e5346d1dfd3e015df99d21ffb97f1bb18369a6e877

                                    SHA512

                                    d51b838c686d36d112096f581c84ad9aadfe852a5f3f0d4b8436e037da5723b1a903036f09677974b3e9870f934d85d77d9c2f13c7443c95ec1d502af6e0e425

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe583822.TMP

                                    Filesize

                                    1KB

                                    MD5

                                    6fda7134db8fbffc49a993246aba6d47

                                    SHA1

                                    a03f5fdcba4492e359227f6addd100fd141bebe5

                                    SHA256

                                    56d052609562ececb2a362c98d5193a97804b6af1ec3bdd08af518bc08a7e521

                                    SHA512

                                    111b8d752b2bc9e7b8f9ff144178ac10559262555d55e3de49c8a7d1b44206cf49257fcf7e07f616dca54c158ee11f872a8470ab70912207b04e0dfc3f8db1c7

                                  • 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

                                    3dd6d130ad2b8712ed1a5a5c7b7e8cb1

                                    SHA1

                                    0888fdbe94002a3fd27fdb415540f1a573547ba9

                                    SHA256

                                    e7ff204e70a748848cbc072990e2db0c1cf3bf63c82318611531c6fed37b70ee

                                    SHA512

                                    13b45681d6eca7f684b11c9f54ab4adcc879a8e40859cab7e5c34367c9240c687a5d0ddcc9c31f8c824aa5d6d27549e3956d3fd04d3898bf07b7152a7a7ff13d

                                  • memory/1980-0-0x0000000001000000-0x00000000011B8000-memory.dmp

                                    Filesize

                                    1.7MB

                                  • memory/1980-2-0x0000000001000000-0x00000000011B8000-memory.dmp

                                    Filesize

                                    1.7MB

                                  • memory/1980-1-0x0000000001001000-0x0000000001002000-memory.dmp

                                    Filesize

                                    4KB