Analysis

  • max time kernel
    51s
  • max time network
    61s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/04/2024, 21:35

General

  • Target
    Visual Protector.exe
  • Size 1.0MB
  • Sample240406-1frpmacd36
  • SHA256 bd54c2a5e07d4c0df9cb844d8a952ba3746dc1761d833a710d33309f75539e73
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • asyncrat

Version
  • | Edit 3LOSH RAT

Botnet
  • RAT10

C2
  • darkstorm275991.ddns.net:6606

  • darkstorm275991.ddns.net:7707

  • darkstorm275991.ddns.net:8808

  • mrreport.duckdns.org:6606

  • mrreport.duckdns.org:7707

  • mrreport.duckdns.org:8808

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    Microsoft.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Async RAT payload 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Visual Protector.exe
    "C:\Users\Admin\AppData\Local\Temp\Visual Protector.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Local\Visual Protector.exe
      "C:\Users\Admin\AppData\Local\Visual Protector.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      PID:4456
      • C:\Users\Admin\AppData\Roaming\VisualSoft\Visual Protector.exe
        "C:\Users\Admin\AppData\Roaming\VisualSoft\Visual Protector.exe"
        3⤵
        • Executes dropped EXE
        PID:4908
    • C:\Users\Admin\AppData\Local\Microsoft.exe
      "C:\Users\Admin\AppData\Local\Microsoft.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "Microsoft" /tr '"C:\Users\Admin\AppData\Roaming\Microsoft.exe"' & exit
        3⤵
          PID:1644
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /f /sc onlogon /rl highest /tn "Microsoft" /tr '"C:\Users\Admin\AppData\Roaming\Microsoft.exe"'
            4⤵
            • Creates scheduled task(s)
            PID:2564
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp470B.tmp.bat""
          3⤵
            PID:5000
            • C:\Windows\SysWOW64\timeout.exe
              timeout 3
              4⤵
              • Delays execution with timeout.exe
              PID:2092
            • C:\Users\Admin\AppData\Roaming\Microsoft.exe
              "C:\Users\Admin\AppData\Roaming\Microsoft.exe"
              4⤵
              • Executes dropped EXE
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:2484
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://t.me/Private_Hacking_Cracking_Tools
          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:548
          • 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,0x100,0x104,0xd8,0x108,0x7ff9c47546f8,0x7ff9c4754708,0x7ff9c4754718
            3⤵
              PID:4924
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2076 /prefetch:2
              3⤵
                PID:4504
              • 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=2060,12744571292090624256,14123431157652523412,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2268 /prefetch:3
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:1836
              • 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=2060,12744571292090624256,14123431157652523412,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2608 /prefetch:8
                3⤵
                  PID:5116
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --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=3320 /prefetch:1
                  3⤵
                    PID:3208
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --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
                    3⤵
                      PID:2084
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --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=4968 /prefetch:1
                      3⤵
                        PID:3224
                      • 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=2060,12744571292090624256,14123431157652523412,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5376 /prefetch:8
                        3⤵
                          PID:384
                        • 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=2060,12744571292090624256,14123431157652523412,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5376 /prefetch:8
                          3⤵
                          • Suspicious behavior: EnumeratesProcesses
                          PID:3560
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --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=5464 /prefetch:1
                          3⤵
                            PID:2140
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=180 /prefetch:1
                            3⤵
                              PID:2800
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --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=5180 /prefetch:1
                              3⤵
                                PID:972
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,12744571292090624256,14123431157652523412,131072 --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=5460 /prefetch:1
                                3⤵
                                  PID:3780
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:3560
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:3480

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

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                                      Downloads

                                      Microsoft.exe

                                      • Path C:\Users\Admin\AppData\Local\Microsoft.exe
                                      • Size 66KB
                                      • SHA256 76b9c70c08977641458aa123b9cf587980ccf3ee10519fd7de50da6132ae1023
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Microsoft.exe.log

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Microsoft.exe.log
                                      • Size 522B
                                      • SHA256 2412679218bb0a7d05ceee32869bbb223619bde9966c4c460a68304a3367724b
                                      • MD5 SHA1 SHA512

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 152B
                                      • SHA256 4c0224fb7cc26ccf74f5be586f18401db57cce935c767a446659b828a7b5ee60
                                      • MD5 SHA1 SHA512

                                      settings.dat

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      • Size 152B
                                      • SHA256 3a654b499247e59e34040f3b192a0069e8f3904e2398cbed90e86d981378e8bc
                                      • MD5 SHA1 SHA512

                                      the-real-index

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index
                                      • Size 72B
                                      • SHA256 1d5e7c9bb62dc36dbb3b046614640086214976ed9777f243cfdc8dddd1174986
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 6KB
                                      • SHA256 4c6169807c174374bdddfcedfabf17232927a3674ccd0012f0f788ae7ac7980d
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                      • Size 6KB
                                      • SHA256 af190d129225f873d36067f1f9e126f809599bcd9526f4ea0e1e7f9637ab0308
                                      • MD5 SHA1 SHA512 SSDEEP

                                      CURRENT

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT
                                      • Size 16B
                                      • SHA256 0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd
                                      • MD5 SHA1 SHA512

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                      • Size 11KB
                                      • SHA256 d3fc4c2aafacd75a43147a3615786c42c23e8f2ced5dc953e2467cd0a4c29af4
                                      • MD5 SHA1 SHA512 SSDEEP

                                      tmp470B.tmp.bat

                                      • Path C:\Users\Admin\AppData\Local\Temp\tmp470B.tmp.bat
                                      • Size 153B
                                      • SHA256 a0355e008ac8ac6e61badb290bfe091e114a5d4f702db878de814da5852ea242
                                      • MD5 SHA1 SHA512

                                      Visual Protector.exe

                                      • Path C:\Users\Admin\AppData\Local\Visual Protector.exe
                                      • Size 918KB
                                      • SHA256 e951ba4ae0d7057f76be784018b5a6d654fd712ba612ba64ddf992e8b1772a4d
                                      • MD5 SHA1 SHA512 SSDEEP

                                      VisualProtector.lnk

                                      • Path C:\Users\Admin\Desktop\VisualProtector.lnk
                                      • Size 1KB
                                      • SHA256 5244bc9ba400ae83073e9dfc9cf35c0eebf1c9cf6c56bc78ed5b5426b9b0a396
                                      • MD5 SHA1 SHA512

                                      memory/972-103-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/972-28-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/972-94-0x0000000002700000-0x0000000002710000-memory.dmp

                                      memory/972-26-0x0000000000190000-0x00000000001A6000-memory.dmp

                                      memory/2484-157-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/2484-118-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/2484-128-0x0000000005910000-0x0000000005920000-memory.dmp

                                      memory/2484-140-0x0000000006730000-0x0000000006796000-memory.dmp

                                      memory/2484-158-0x0000000005910000-0x0000000005920000-memory.dmp

                                      memory/4344-32-0x00007FF9C7A40000-0x00007FF9C8501000-memory.dmp

                                      memory/4344-2-0x00007FF9C7A40000-0x00007FF9C8501000-memory.dmp

                                      memory/4344-0-0x0000000000710000-0x0000000000818000-memory.dmp

                                      memory/4456-40-0x0000000005950000-0x0000000005960000-memory.dmp

                                      memory/4456-43-0x0000000005B80000-0x0000000005C12000-memory.dmp

                                      memory/4456-29-0x0000000000F70000-0x000000000105E000-memory.dmp

                                      memory/4456-97-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/4456-56-0x0000000005D80000-0x0000000005DD6000-memory.dmp

                                      memory/4456-30-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/4456-55-0x0000000005B30000-0x0000000005B3A000-memory.dmp

                                      memory/4456-34-0x0000000007E60000-0x0000000007F2C000-memory.dmp

                                      memory/4456-42-0x000000000A820000-0x000000000ADC4000-memory.dmp

                                      memory/4456-66-0x0000000005950000-0x0000000005960000-memory.dmp

                                      memory/4456-41-0x000000000A1D0000-0x000000000A26C000-memory.dmp

                                      memory/4908-95-0x0000000004B10000-0x0000000004B20000-memory.dmp

                                      memory/4908-146-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/4908-147-0x0000000004B10000-0x0000000004B20000-memory.dmp

                                      memory/4908-93-0x0000000074EC0000-0x0000000075670000-memory.dmp

                                      memory/4908-98-0x0000000005DD0000-0x0000000005EBE000-memory.dmp