Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/12/2022, 23:24

General

  • Target

    ce8154e4852844053b664473ee5f2ffbdd914856b9d02840245ab84a5aa05ea4.exe

  • Size

    164KB

  • MD5

    890d90892dcfe96e5197a2108d187b6d

  • SHA1

    8ce951e1971822f26d7ee2b8f6eda1a26012a872

  • SHA256

    ce8154e4852844053b664473ee5f2ffbdd914856b9d02840245ab84a5aa05ea4

  • SHA512

    55b3cf7a89e9ac936157f0489221ca4e37f80c42768cbc8ad020efdb29a36b3f6931dec274d8fec23b07383371e56674adbf4e15a2a9c6b8d1d6aeec6cc7ac8a

  • SSDEEP

    3072:2wxVMhOC/dTDbq91+mno3t4QZQ3rr5gFFUSZGE4JkdMDvdx559Zva:2TfFDbRnOTrr58FUSZGE4J1DvL5Pk

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 11 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce8154e4852844053b664473ee5f2ffbdd914856b9d02840245ab84a5aa05ea4.exe
    "C:\Users\Admin\AppData\Local\Temp\ce8154e4852844053b664473ee5f2ffbdd914856b9d02840245ab84a5aa05ea4.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\windows\aaa\goooke.exe
      "C:\windows\aaa\goooke.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:856
      • C:\Windows\aaa\skyxpserver.exe
        "C:\Windows\aaa\skyxpserver.exe" -i
        3⤵
        • Executes dropped EXE
        PID:4072
      • C:\Windows\aaa\solotan.exe
        "C:\Windows\aaa\solotan.exe" -i
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:3608
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://down-down.ff22113.cn:1958/zengda/111.asp
        3⤵
        • Adds Run key to start application
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:32
        • 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,0x100,0x104,0xf8,0x108,0x7ff8356e46f8,0x7ff8356e4708,0x7ff8356e4718
          4⤵
            PID:3812
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:2
            4⤵
              PID:556
            • 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=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2296 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1312
            • 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=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2712 /prefetch:8
              4⤵
                PID:2604
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3768 /prefetch:1
                4⤵
                  PID:5072
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3740 /prefetch:1
                  4⤵
                    PID:4500
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5204 /prefetch:1
                    4⤵
                      PID:892
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5304 /prefetch:8
                      4⤵
                        PID:3596
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3940 /prefetch:1
                        4⤵
                          PID:444
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5500 /prefetch:8
                          4⤵
                            PID:3696
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5320 /prefetch:1
                            4⤵
                              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=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5388 /prefetch:1
                              4⤵
                                PID:3268
                              • 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=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4148 /prefetch:8
                                4⤵
                                  PID:4692
                                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                                  4⤵
                                  • Drops file in Program Files directory
                                  PID:2608
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x228,0x22c,0x230,0x204,0x234,0x7ff665595460,0x7ff665595470,0x7ff665595480
                                    5⤵
                                      PID:4624
                                  • 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=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4148 /prefetch:8
                                    4⤵
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:3928
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5980 /prefetch:1
                                    4⤵
                                      PID:3872
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2644 /prefetch:1
                                      4⤵
                                        PID:484
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3280 /prefetch:8
                                        4⤵
                                          PID:3064
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3348 /prefetch:8
                                          4⤵
                                            PID:2644
                                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1144 /prefetch:8
                                            4⤵
                                              PID:4904
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3164 /prefetch:1
                                              4⤵
                                                PID:4336
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=4192 /prefetch:8
                                                4⤵
                                                  PID:2616
                                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5972 /prefetch:8
                                                  4⤵
                                                    PID:4824
                                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --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=5896 /prefetch:2
                                                    4⤵
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    PID:3696
                                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2100,13683343311827690476,8842895231816328034,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5248 /prefetch:8
                                                    4⤵
                                                      PID:2580
                                              • C:\Windows\System32\CompPkgSrv.exe
                                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                                1⤵
                                                  PID:3524

                                                Network

                                                MITRE ATT&CK Enterprise v6

                                                Replay Monitor

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                                                Downloads

                                                • C:\Windows\aaa\goooke.exe

                                                  Filesize

                                                  56KB

                                                  MD5

                                                  8060f3f9b5abd992be12fbc1251c8759

                                                  SHA1

                                                  69b203b6298944639b88d8cdf0f8203ae065c06e

                                                  SHA256

                                                  4b4e04c1dac3dd5b41ffe491a4aa84765e3cbea0c5fb95cd99efe5a341fbb97e

                                                  SHA512

                                                  38a69d5734163e63ff9b68b24df171a0eae0d9b82774cb906a8a0ce1eb0d926cd23d55217265a8dcede81a50ebeb6cb1f463bf6ba143b652ebc6766073c077d2

                                                • C:\Windows\aaa\skyxpserver.exe

                                                  Filesize

                                                  44KB

                                                  MD5

                                                  29ba686d0f59e5b2ef91b4d34cb3bfd1

                                                  SHA1

                                                  d1affe43f54d8451ea85134b40ea38bd48a016ae

                                                  SHA256

                                                  0c2af050075b396344ad6e1253e13ee0efc6e45e9ea1a6bfc09752fcaeb8fe98

                                                  SHA512

                                                  1644f46cc5dfe9e755ea92b8749d9a63c0e12b8ac7ca48f57b5edda3256f40f1282ef60d207f90c88fff1d3e326309aeb25454977f41dfee713320cc067c8a9f

                                                • C:\Windows\aaa\skyxpserver.exe

                                                  Filesize

                                                  44KB

                                                  MD5

                                                  29ba686d0f59e5b2ef91b4d34cb3bfd1

                                                  SHA1

                                                  d1affe43f54d8451ea85134b40ea38bd48a016ae

                                                  SHA256

                                                  0c2af050075b396344ad6e1253e13ee0efc6e45e9ea1a6bfc09752fcaeb8fe98

                                                  SHA512

                                                  1644f46cc5dfe9e755ea92b8749d9a63c0e12b8ac7ca48f57b5edda3256f40f1282ef60d207f90c88fff1d3e326309aeb25454977f41dfee713320cc067c8a9f

                                                • C:\Windows\aaa\solotan.exe

                                                  Filesize

                                                  64KB

                                                  MD5

                                                  e0ddf679d7cb3aac87a9ad4ae8808233

                                                  SHA1

                                                  08527f4b296441254aca390f0010be64402b19a6

                                                  SHA256

                                                  43f43ed1471a992a1deb818239ae49f44a0944491ae0701348da3a5ac79bd765

                                                  SHA512

                                                  20bfc88dd3023e705ca42e0b27886db98d566b7a531b169305dab89797500f491daf948e05f43a3827c82c6a482691957a5f448d7d7044d809d50e75a0cb322e

                                                • C:\Windows\aaa\solotan.exe

                                                  Filesize

                                                  64KB

                                                  MD5

                                                  e0ddf679d7cb3aac87a9ad4ae8808233

                                                  SHA1

                                                  08527f4b296441254aca390f0010be64402b19a6

                                                  SHA256

                                                  43f43ed1471a992a1deb818239ae49f44a0944491ae0701348da3a5ac79bd765

                                                  SHA512

                                                  20bfc88dd3023e705ca42e0b27886db98d566b7a531b169305dab89797500f491daf948e05f43a3827c82c6a482691957a5f448d7d7044d809d50e75a0cb322e

                                                • C:\windows\aaa\goooke.exe

                                                  Filesize

                                                  56KB

                                                  MD5

                                                  8060f3f9b5abd992be12fbc1251c8759

                                                  SHA1

                                                  69b203b6298944639b88d8cdf0f8203ae065c06e

                                                  SHA256

                                                  4b4e04c1dac3dd5b41ffe491a4aa84765e3cbea0c5fb95cd99efe5a341fbb97e

                                                  SHA512

                                                  38a69d5734163e63ff9b68b24df171a0eae0d9b82774cb906a8a0ce1eb0d926cd23d55217265a8dcede81a50ebeb6cb1f463bf6ba143b652ebc6766073c077d2