Analysis

  • max time kernel
    138s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 11:09

General

  • Target

    JaffaCakes118_795a9ab1c50a489c4a660216a12a5870.exe

  • Size

    568KB

  • MD5

    795a9ab1c50a489c4a660216a12a5870

  • SHA1

    be179a878cdd2f77aad4b49e5956dc7a1a969646

  • SHA256

    68c0ab440d4fe9d1189bc139ae58dc74c93b6b80e237fd672c5d0b6cd72e0fde

  • SHA512

    fa8c532735b4a07ad1550b82057149d5ccc2b37fa33f46c2192476dfdbb86524cb51fb78f171f1b969e69913aaaf4e0b3053fcbc5f3a94a240a079cb5566b61c

  • SSDEEP

    12288:DJ9KBM5egagUA7xHx/p/tAqad3mE/ObtxdqzOBtbA3p:tgMs0FRBVAZd3F/OtxBq

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.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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_795a9ab1c50a489c4a660216a12a5870.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_795a9ab1c50a489c4a660216a12a5870.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4176
    • 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:2756
      • 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,0x100,0x104,0xd8,0x108,0x7ffaacdc46f8,0x7ffaacdc4708,0x7ffaacdc4718
        3⤵
          PID:4528
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
          3⤵
            PID:1000
          • 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=2132,12672082683832414464,10716833050432104046,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:1600
          • 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=2132,12672082683832414464,10716833050432104046,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2708 /prefetch:8
            3⤵
              PID:3472
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=3284 /prefetch:1
              3⤵
                PID:2196
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=3316 /prefetch:1
                3⤵
                  PID:4400
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=4616 /prefetch:1
                  3⤵
                    PID:4876
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=3556 /prefetch:1
                    3⤵
                      PID:836
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=5048 /prefetch:1
                      3⤵
                        PID:3372
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=4996 /prefetch:1
                        3⤵
                          PID:2364
                        • 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=2132,12672082683832414464,10716833050432104046,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4736 /prefetch:8
                          3⤵
                            PID:4144
                          • 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=2132,12672082683832414464,10716833050432104046,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4736 /prefetch:8
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3904
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=5304 /prefetch:1
                            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=2132,12672082683832414464,10716833050432104046,131072 --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=4732 /prefetch:1
                              3⤵
                                PID:3920
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=4964 /prefetch:1
                                3⤵
                                  PID:2356
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=5536 /prefetch:1
                                  3⤵
                                    PID:1280
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2132,12672082683832414464,10716833050432104046,131072 --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=2156 /prefetch:2
                                    3⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1584
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:2304
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:3584

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

                                  Loading Replay Monitor...

                                  Downloads

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

                                    Filesize

                                    152B

                                    MD5

                                    85ba073d7015b6ce7da19235a275f6da

                                    SHA1

                                    a23c8c2125e45a0788bac14423ae1f3eab92cf00

                                    SHA256

                                    5ad04b8c19bf43b550ad725202f79086168ecccabe791100fba203d9aa27e617

                                    SHA512

                                    eb4fd72d7030ea1a25af2b59769b671a5760735fb95d18145f036a8d9e6f42c903b34a7e606046c740c644fab0bb9f5b7335c1869b098f121579e71f10f5a9c3

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

                                    Filesize

                                    152B

                                    MD5

                                    7de1bbdc1f9cf1a58ae1de4951ce8cb9

                                    SHA1

                                    010da169e15457c25bd80ef02d76a940c1210301

                                    SHA256

                                    6e390bbc0d03a652516705775e8e9a7b7936312a8a5bea407f9d7d9fa99d957e

                                    SHA512

                                    e4a33f2128883e71ab41e803e8b55d0ac17cbc51be3bde42bed157df24f10f34ad264f74ef3254dbe30d253aca03158fde21518c2b78aaa05dae8308b1c5f30c

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

                                    Filesize

                                    456B

                                    MD5

                                    2938b2cc2affe2db1dbb0ee862d4690f

                                    SHA1

                                    b5ce0bb1789158e307af31974a91073ee60cf16b

                                    SHA256

                                    cc8a881a99b1528c99d1432a3f00ae8789b01cc7b8031a47c66618c35ec67734

                                    SHA512

                                    efde40f9391c3973901e46391fd98ab63b107dcc4ae97af0187bfd3c1b0d5a2fbf01d2f025b8a69167b0f1b13bdb9c666936c810c68cc8dea6fdab950f0ad4c8

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

                                    Filesize

                                    975B

                                    MD5

                                    ecc32dddc7ec917d85cf96587ce968ce

                                    SHA1

                                    bda740dee1e5f0562a74252ecfcddebff7fd2708

                                    SHA256

                                    b07c0eeeea748a91fe28d7277991c96cd097275b6c8af2c88deb334f71b01d2a

                                    SHA512

                                    00d7fde8be477e2b6edaee154453d9b8f4d75764188cc6f7a822b3c04743caf3122c18fcd9af3f15f91cc8663a45ea7dd7f81a746a9c0c8683e723e8a0a43ad3

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

                                    Filesize

                                    5KB

                                    MD5

                                    84ef0c4f86d9a0711ea3647730a7907a

                                    SHA1

                                    3e8cb62cb1149ed8045f99a99145fb7254291bb8

                                    SHA256

                                    659fbf702263994db77748c2dd8a583202933b2130aa6735910b1c58b5fb1b74

                                    SHA512

                                    9870894aa626365cc734af5f7c357111042638ea71bf3940333246e7fcfe8cc7d7a7785dea7140a09989e94ff6db81c8d23a6e1d6542c545519cc76c149201bd

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

                                    Filesize

                                    6KB

                                    MD5

                                    62b720add34c373491ae934db522c301

                                    SHA1

                                    c4118d34b2097ff0f5574b48ceaa7b06b63ee1e7

                                    SHA256

                                    fc07b11c919016754c6b7688c76888e5a8536b83e7fbe341683554ffa0e27e02

                                    SHA512

                                    1e1470bb6ee89da1e081ed253ef4d64d816f93378c389d816916d327907526a984cc822235bf6a632606a1b44671c2e53acc10fe248fd00b8dc6884ece6273a8

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

                                    Filesize

                                    1KB

                                    MD5

                                    eba6a364894e4301b83b79aa3d8eb1ec

                                    SHA1

                                    ca235cdb05b6300cff6be99992c441f1181c2b74

                                    SHA256

                                    e5eca953832a5513487f72000a0a92162453320eccfce164d17236a799f8413a

                                    SHA512

                                    5349852e6f98bbd640636080d7a2cf886750e00040324d14b054c84913c667ab9deed6f39e16013c8f017054b71b57c00bbc673fd353076d68be937f99473353

                                  • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\TransportSecurity~RFe582892.TMP

                                    Filesize

                                    1KB

                                    MD5

                                    b520852299da8234e86da7b959a7f163

                                    SHA1

                                    024b2d7819229169b1fcceed0d4ddbc88ea23a20

                                    SHA256

                                    06878fbf851709824f58fec55782879de8bad5e3e99c65947041c9017186fce3

                                    SHA512

                                    430631ab2ad00364fcec218a07404ad33e00acdb923717604e31fa94b55a11dd0f4ec95f7848886ecc541ebe9e0cf211061365a8cf007be8e19608bf5b33e902

                                  • 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

                                    fcbea152f13bc4f1ca68db77c6edb402

                                    SHA1

                                    09c18c0968ae8858c99c03cd71d25d534b8e5da1

                                    SHA256

                                    3918579c01034bed6f2f64d6999d4edc27eb3a53df72764ac91abf4589cf5e18

                                    SHA512

                                    cec5fd29043e422714b66bf2dfb14dba79f82e3c721e2a3a28c4891d62e9e539be545176cc73ca3befd92289d67de6dfcd9f455cc8224e6065b71ba1a2628e9d

                                  • memory/4176-0-0x0000000001000000-0x00000000011B0000-memory.dmp

                                    Filesize

                                    1.7MB

                                  • memory/4176-2-0x0000000001000000-0x00000000011B0000-memory.dmp

                                    Filesize

                                    1.7MB

                                  • memory/4176-1-0x0000000001001000-0x0000000001002000-memory.dmp

                                    Filesize

                                    4KB