Analysis

  • max time kernel
    1601s
  • max time network
    1604s
  • platform
    windows11_x64
  • resource
    win11
  • submitted
    02-09-2021 01:28

General

  • Target

    https://siasky.net/AACmJx4XiYdr4nU-YlCOKsdw5dmFPZYjtVuq-aWSplSYkw

  • Sample

    210902-yg1y6nkmhn

Malware Config

Signatures

  • Panda Stealer Payload 10 IoCs
  • PandaStealer

    Panda Stealer is a fork of CollectorProject Stealer written in C++.

  • Executes dropped EXE 4 IoCs
  • VMProtect packed file 5 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 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 6 IoCs
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Modifies data under HKEY_USERS 43 IoCs
  • Modifies registry class 4 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 13 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://siasky.net/AACmJx4XiYdr4nU-YlCOKsdw5dmFPZYjtVuq-aWSplSYkw
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" -- "https://siasky.net/AACmJx4XiYdr4nU-YlCOKsdw5dmFPZYjtVuq-aWSplSYkw"
      2⤵
      • Adds Run key to start application
      • Enumerates system info in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:5092
      • 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=92.0.4515.107 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.62 --initial-client-data=0x104,0x108,0x10c,0xe0,0x110,0x7ffcbd3546f8,0x7ffcbd354708,0x7ffcbd354718
        3⤵
          PID:3892
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
          3⤵
            PID:4252
          • 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=2104,5294627325225064369,9769232436578158269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2304 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4256
          • 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=2104,5294627325225064369,9769232436578158269,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2688 /prefetch:8
            3⤵
              PID:4540
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --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=3836 /prefetch:1
              3⤵
                PID:596
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --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=3212 /prefetch:1
                3⤵
                  PID:816
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5352 /prefetch:8
                  3⤵
                    PID:1072
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --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=5356 /prefetch:1
                    3⤵
                      PID:1204
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4944 /prefetch:1
                      3⤵
                        PID:1336
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5548 /prefetch:1
                        3⤵
                          PID:1288
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5632 /prefetch:8
                          3⤵
                          • NTFS ADS
                          • Suspicious behavior: EnumeratesProcesses
                          PID:1848
                        • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6372 /prefetch:8
                          3⤵
                            PID:1692
                          • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.62\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2104,5294627325225064369,9769232436578158269,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6372 /prefetch:8
                            3⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:3092
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window /prefetch:5
                            3⤵
                            • Adds Run key to start application
                            • Enumerates system info in registry
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4012
                            • 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=92.0.4515.107 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.62 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ffcbd3546f8,0x7ffcbd354708,0x7ffcbd354718
                              4⤵
                                PID:3848
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2100,15512438605369897080,8930262139135277255,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
                                4⤵
                                  PID:992
                                • 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=2100,15512438605369897080,8930262139135277255,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
                                  4⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:1484
                                • 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=2100,15512438605369897080,8930262139135277255,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2636 /prefetch:8
                                  4⤵
                                    PID:1552
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:516
                              • C:\Windows\System32\sihclient.exe
                                C:\Windows\System32\sihclient.exe /cv lX+JvkxKV0GZd+6TsanO5Q.0.2
                                1⤵
                                • Modifies data under HKEY_USERS
                                PID:5104
                              • C:\Windows\system32\svchost.exe
                                C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
                                1⤵
                                • Suspicious use of AdjustPrivilegeToken
                                PID:1780
                              • C:\Windows\System32\rundll32.exe
                                C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                1⤵
                                  PID:4304
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:2268
                                  • C:\Windows\SystemApps\Microsoft.Windows.AppRep.ChxApp_cw5n1h2txyewy\CHXSmartScreen.exe
                                    "C:\Windows\SystemApps\Microsoft.Windows.AppRep.ChxApp_cw5n1h2txyewy\CHXSmartScreen.exe" -ServerName:App.AppXk7vvv12h4qrkhkbvf6j86ja45mzj5km9.mca
                                    1⤵
                                    • Suspicious use of SetWindowsHookEx
                                    PID:864
                                  • C:\Users\Admin\Desktop\faceit checker 2.0.exe
                                    "C:\Users\Admin\Desktop\faceit checker 2.0.exe"
                                    1⤵
                                    • Adds Run key to start application
                                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                                    • Modifies registry class
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:1200
                                    • C:\Users\Admin\Desktop\._cache_faceit checker 2.0.exe
                                      "C:\Users\Admin\Desktop\._cache_faceit checker 2.0.exe"
                                      2⤵
                                      • Executes dropped EXE
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3872
                                    • C:\ProgramData\Synaptics\Synaptics.exe
                                      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
                                      2⤵
                                      • Executes dropped EXE
                                      • Suspicious use of NtSetInformationThreadHideFromDebugger
                                      • Modifies registry class
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:3280
                                      • C:\Users\Admin\Desktop\._cache_Synaptics.exe
                                        "C:\Users\Admin\Desktop\._cache_Synaptics.exe" InjUpdate
                                        3⤵
                                        • Executes dropped EXE
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:4712
                                  • C:\Users\Admin\Desktop\faceit checker 2.0.exe
                                    "C:\Users\Admin\Desktop\faceit checker 2.0.exe"
                                    1⤵
                                    • Loads dropped DLL
                                    • Suspicious use of NtSetInformationThreadHideFromDebugger
                                    • Modifies registry class
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:2984
                                    • C:\Users\Admin\Desktop\._cache_faceit checker 2.0.exe
                                      "C:\Users\Admin\Desktop\._cache_faceit checker 2.0.exe"
                                      2⤵
                                      • Executes dropped EXE
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4072
                                  • C:\Windows\System32\svchost.exe
                                    C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
                                    1⤵
                                    • Modifies data under HKEY_USERS
                                    PID:3112
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
                                    1⤵
                                      PID:3992

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • memory/1200-297-0x0000000002D20000-0x0000000002D21000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1200-296-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/1200-295-0x0000000000400000-0x0000000000D88000-memory.dmp

                                      Filesize

                                      9.5MB

                                    • memory/1200-294-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2984-323-0x0000000002A80000-0x0000000002A81000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2984-328-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2984-327-0x0000000002A70000-0x0000000002A71000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/2984-324-0x0000000000400000-0x0000000000D88000-memory.dmp

                                      Filesize

                                      9.5MB

                                    • memory/3112-340-0x0000027B14990000-0x0000027B14991000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3112-339-0x0000027B16CB0000-0x0000027B16CB4000-memory.dmp

                                      Filesize

                                      16KB

                                    • memory/3112-338-0x0000027B16CB0000-0x0000027B16CB1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3112-337-0x0000027B16CC0000-0x0000027B16CC4000-memory.dmp

                                      Filesize

                                      16KB

                                    • memory/3112-336-0x0000027B16F20000-0x0000027B16F21000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3112-335-0x0000027B16F60000-0x0000027B16F64000-memory.dmp

                                      Filesize

                                      16KB

                                    • memory/3112-333-0x0000027B146E0000-0x0000027B146F0000-memory.dmp

                                      Filesize

                                      64KB

                                    • memory/3112-332-0x0000027B14660000-0x0000027B14670000-memory.dmp

                                      Filesize

                                      64KB

                                    • memory/3280-310-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3280-309-0x0000000000400000-0x0000000000D88000-memory.dmp

                                      Filesize

                                      9.5MB

                                    • memory/3280-307-0x00000000010D0000-0x00000000010D1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/3280-308-0x00000000010E0000-0x00000000010E1000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/4252-157-0x00007FFCDF600000-0x00007FFCDF601000-memory.dmp

                                      Filesize

                                      4KB

                                    • memory/5088-146-0x00007FFCCC380000-0x00007FFCCC3E5000-memory.dmp

                                      Filesize

                                      404KB