Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/04/2024, 10:14

General

  • Target

    40591b5f2e9261925f211547f9aa9d758dc78d2897634fae6828dc12194396c5.exe

  • Size

    1.3MB

  • MD5

    fdcabcb8be12117c4a8618d928150eec

  • SHA1

    ba8de3b00b01f515a1a426281f4a2f9e45245022

  • SHA256

    40591b5f2e9261925f211547f9aa9d758dc78d2897634fae6828dc12194396c5

  • SHA512

    b591703fa18fff42a942ff4aa55f7f0a2156853b1c58c474d0c589b0501adbebf68a1747c7fc909a4cb43aa4a6361bb0e76bb51be24eff1e121a9edaa14f4f68

  • SSDEEP

    24576:Qak/7Nk4RZGKZu0zoFmDcpii9iGn+66rLfJIgtEqPILWz8oDqE:Qak/VZu+k0WdEacJRIo+E

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 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\40591b5f2e9261925f211547f9aa9d758dc78d2897634fae6828dc12194396c5.exe
    "C:\Users\Admin\AppData\Local\Temp\40591b5f2e9261925f211547f9aa9d758dc78d2897634fae6828dc12194396c5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\40591b5f2e9261925f211547f9aa9d758dc78d2897634fae6828dc12194396c5.exe
      "C:\Users\Admin\AppData\Local\Temp\40591b5f2e9261925f211547f9aa9d758dc78d2897634fae6828dc12194396c5.exe" Master
      2⤵
      • Drops file in Drivers directory
      • Enumerates connected drives
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:872
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.178stu.com/my.htm
        3⤵
        • Enumerates system info in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:3112
        • 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,0x100,0x104,0xd8,0x108,0x7fff5e3c46f8,0x7fff5e3c4708,0x7fff5e3c4718
          4⤵
            PID:1588
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2276 /prefetch:2
            4⤵
              PID:4796
            • 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=2116,6066170803844111880,8833341033908797615,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2336 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:4960
            • 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=2116,6066170803844111880,8833341033908797615,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2836 /prefetch:8
              4⤵
                PID:4152
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=3304 /prefetch:1
                4⤵
                  PID:516
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=3328 /prefetch:1
                  4⤵
                    PID:4812
                  • 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=2116,6066170803844111880,8833341033908797615,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4720 /prefetch:8
                    4⤵
                      PID:116
                    • 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=2116,6066170803844111880,8833341033908797615,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4720 /prefetch:8
                      4⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4412
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=5020 /prefetch:1
                      4⤵
                        PID:3984
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=4972 /prefetch:1
                        4⤵
                          PID:5064
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=4820 /prefetch:1
                          4⤵
                            PID:548
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3732 /prefetch:1
                            4⤵
                              PID:404
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3792 /prefetch:1
                              4⤵
                                PID:2428
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=4832 /prefetch:1
                                4⤵
                                  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=2116,6066170803844111880,8833341033908797615,131072 --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=4804 /prefetch:1
                                  4⤵
                                    PID:2844
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --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=4976 /prefetch:2
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1940
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,6066170803844111880,8833341033908797615,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3128 /prefetch:1
                                    4⤵
                                      PID:3564
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:2116
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:1664

                                  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

                                          1cbd0e9a14155b7f5d4f542d09a83153

                                          SHA1

                                          27a442a921921d69743a8e4b76ff0b66016c4b76

                                          SHA256

                                          243d05d6af19bfe3e06b1f7507342ead88f9d87b84e239ad1d144e9e454b548c

                                          SHA512

                                          17e5217d5bf67571afb0e7ef30ac21c11ea6553f89457548d96ee4461011f641a7872a37257239fa5f25702f027afb85d5bd9faf2f2f183992b8879407e56a0d

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

                                          Filesize

                                          152B

                                          MD5

                                          4e96ed67859d0bafd47d805a71041f49

                                          SHA1

                                          7806c54ae29a6c8d01dcbc78e5525ddde321b16b

                                          SHA256

                                          bd13ddab4dc4bbf01ed50341953c9638f6d71faf92bc79fbfe93687432c2292d

                                          SHA512

                                          432201c3119779d91d13da55a26d4ff4ce4a9529e00b44ec1738029f92610d4e6e25c05694adf949c3e9c70fbbbbea723f63c29287906729f5e88a046a2edcb7

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

                                          Filesize

                                          6KB

                                          MD5

                                          710172551b85bcaee775262c29b0aae6

                                          SHA1

                                          8ecdee5ef1cc3457d3e75322a38b78b0179aeafc

                                          SHA256

                                          eed49f57d0e957beba083c6fef441a6b44d2e39dfc6d159e27d516f3dc1945eb

                                          SHA512

                                          da843b69724f81dce7cf12e096b96cd7dc10dbaba36ecfc05cd1e10ffab682db499b1c3f01130e988c0008589cd49e8f8a12960b82435f428d7e892479c77965

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

                                          Filesize

                                          6KB

                                          MD5

                                          df63c5046368a857095dcf114d23e700

                                          SHA1

                                          516bf6a170c9425ac89739b80afea8476daa958e

                                          SHA256

                                          a278753a7d207d314eacc1ceeb8527d7c134fc51fc04b6deeb850535f52ea72a

                                          SHA512

                                          8c3fe1ea23da1da6e5063feb899a49021e0fa979da991e039aef79eef0005ea44daf7407f6fe69bf68e8e9e93a08d18fa89c2e5ad112481df7cf569353d3b62a

                                        • 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

                                          8KB

                                          MD5

                                          72c9e67574a5710d6cc12db9b57838a1

                                          SHA1

                                          8d4680106ab8cdbb891847e54f9052d7fa5fbfec

                                          SHA256

                                          3df812d68d2957f0f2f166f03e6c0888607fa5156b39706e0af6d68583099bd9

                                          SHA512

                                          7fa2298f90f0d2fe9f9508937cfd523fcf0fcb5d04e027be111d683ef111dee354f2ba7f037840bf477abe27c3c86c63f5932a5c63b4080fd58c3438b85c8a99

                                        • memory/872-6-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/872-20-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/872-7-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/872-8-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/872-13-0x00000000007A0000-0x00000000007A1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/872-10-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/872-16-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/872-9-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/2208-12-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/2208-1-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/2208-5-0x00000000022E0000-0x00000000022E1000-memory.dmp

                                          Filesize

                                          4KB

                                        • memory/2208-0-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/2208-2-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/2208-4-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB

                                        • memory/2208-3-0x0000000000400000-0x00000000006A6000-memory.dmp

                                          Filesize

                                          2.6MB