Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 01:41

General

  • Target
    bd54c2a5e07d4c0df9cb844d8a952ba3746dc1761d833a710d33309f75539e73.exe
  • Size 1.0MB
  • Sample240405-b38tzshd87
  • 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
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
  • Detects executables packed with ConfuserEx Mod 3 IoCs
  • Detects file containing reversed ASEP Autorun registry keys 2 IoCs
  • UPX dump on OEP (original entry point) 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).

  • Program crash 1 IoCs
  • 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 36 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\bd54c2a5e07d4c0df9cb844d8a952ba3746dc1761d833a710d33309f75539e73.exe
    "C:\Users\Admin\AppData\Local\Temp\bd54c2a5e07d4c0df9cb844d8a952ba3746dc1761d833a710d33309f75539e73.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4244
    • C:\Users\Admin\AppData\Local\Visual Protector.exe
      "C:\Users\Admin\AppData\Local\Visual Protector.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      PID:3724
      • C:\Users\Admin\AppData\Roaming\VisualSoft\Visual Protector.exe
        "C:\Users\Admin\AppData\Roaming\VisualSoft\Visual Protector.exe"
        3⤵
        • Executes dropped EXE
        PID:4412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3724 -s 1756
        3⤵
        • Program crash
        PID:4760
    • 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:1836
      • 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:4512
          • 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:2456
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7FFD.tmp.bat""
          3⤵
            PID:2640
            • C:\Windows\SysWOW64\timeout.exe
              timeout 3
              4⤵
              • Delays execution with timeout.exe
              PID:116
            • 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:1424
        • 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:3884
          • 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,0x100,0x104,0xd8,0x108,0x7ffe0ddc46f8,0x7ffe0ddc4708,0x7ffe0ddc4718
            3⤵
              PID:4672
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
              3⤵
                PID:5068
              • 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=2144,1072431203093144409,17302213676628081059,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2280 /prefetch:3
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:4432
              • 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=2144,1072431203093144409,17302213676628081059,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2692 /prefetch:8
                3⤵
                  PID:4060
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=3248 /prefetch:1
                  3⤵
                    PID:4956
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=3256 /prefetch:1
                    3⤵
                      PID:4128
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=4964 /prefetch:1
                      3⤵
                        PID:3304
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=5008 /prefetch:1
                        3⤵
                          PID:32
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=5272 /prefetch:1
                          3⤵
                            PID:2656
                          • 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=2144,1072431203093144409,17302213676628081059,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5740 /prefetch:8
                            3⤵
                              PID:4436
                            • 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=2144,1072431203093144409,17302213676628081059,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5740 /prefetch:8
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:5084
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=3244 /prefetch:1
                              3⤵
                                PID:1284
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=5524 /prefetch:1
                                3⤵
                                  PID:3348
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,1072431203093144409,17302213676628081059,131072 --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=4456 /prefetch:2
                                  3⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:3768
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:4560
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:2196
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3724 -ip 3724
                                  1⤵
                                    PID:1956
                                  • C:\Windows\system32\svchost.exe
                                    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
                                    1⤵
                                      PID:4436

                                    Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          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 cc773d1928f4a87e10944d153c23a7b20222b6795c9a0a09b81a94c1bd026ac3
                                          • MD5 SHA1 SHA512

                                          settings.dat

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                          • Size 152B
                                          • SHA256 a43f82254638f7e05d1fea29e83545642f163a7a852f567fb2e94f0634347165
                                          • 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 26c533025f0be310c056c315fd10fb0bd6975d9c54fccfd8384c467b786042f0
                                          • MD5 SHA1 SHA512

                                          Network Persistent State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                          • Size 442B
                                          • SHA256 e72624a5039b426adeb9e7886537fcf2e3ae8e84fc4d809f01f5bf4a86dd8fa0
                                          • MD5 SHA1 SHA512

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 6KB
                                          • SHA256 bc5118e5bfaeb0ebec0b686c66f018528ff2a59ab435356fc2f1a83de4416bcd
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Preferences

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                          • Size 6KB
                                          • SHA256 8a3f0ac4117325c97b77b6e76243d499eeffc76856f793f467b6aefba7e7cd8b
                                          • 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 66fad3e598570525335a018f8540f6e08a9d56b7210b826456ca13ce092e2db8
                                          • MD5 SHA1 SHA512 SSDEEP

                                          Local State

                                          • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                          • Size 11KB
                                          • SHA256 084a1d6524a0a4e47a8ec5b32ff6233c35c8710e4ae350a204676f60d903dca5
                                          • MD5 SHA1 SHA512 SSDEEP

                                          tmp7FFD.tmp.bat

                                          • Path C:\Users\Admin\AppData\Local\Temp\tmp7FFD.tmp.bat
                                          • Size 153B
                                          • SHA256 1e241a770da5f6d23686da9660424bcd7d227d8b07269816eee9d5391c88631e
                                          • 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 ad7bcedb52310ec8902326ec056c0c19af8a7152aa3a5d215524b4be71abdf04
                                          • MD5 SHA1 SHA512

                                          memory/1424-167-0x0000000005000000-0x0000000005010000-memory.dmp

                                          memory/1424-166-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/1424-141-0x0000000005E80000-0x0000000005EE6000-memory.dmp

                                          memory/1424-140-0x0000000005000000-0x0000000005010000-memory.dmp

                                          memory/1424-123-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/1836-101-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/1836-65-0x0000000005700000-0x0000000005710000-memory.dmp

                                          memory/1836-35-0x0000000000DD0000-0x0000000000DE6000-memory.dmp

                                          memory/1836-36-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/3724-133-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/3724-58-0x00000000052D0000-0x00000000052E0000-memory.dmp

                                          memory/3724-59-0x0000000009F80000-0x000000000A524000-memory.dmp

                                          memory/3724-60-0x00000000052E0000-0x0000000005372000-memory.dmp

                                          memory/3724-66-0x00000000052A0000-0x00000000052AA000-memory.dmp

                                          memory/3724-38-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/3724-69-0x0000000005520000-0x0000000005576000-memory.dmp

                                          memory/3724-57-0x0000000009930000-0x00000000099CC000-memory.dmp

                                          memory/3724-37-0x0000000000820000-0x000000000090E000-memory.dmp

                                          memory/3724-50-0x0000000007660000-0x000000000772C000-memory.dmp

                                          memory/3724-82-0x00000000052D0000-0x00000000052E0000-memory.dmp

                                          memory/4244-29-0x00007FFE10EF0000-0x00007FFE119B1000-memory.dmp

                                          memory/4244-0-0x00000000001F0000-0x00000000002F8000-memory.dmp

                                          memory/4244-2-0x00007FFE10EF0000-0x00007FFE119B1000-memory.dmp

                                          memory/4412-96-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/4412-113-0x0000000006D70000-0x0000000006E5E000-memory.dmp

                                          memory/4412-165-0x0000000074450000-0x0000000074C00000-memory.dmp

                                          memory/4412-103-0x0000000005660000-0x0000000005670000-memory.dmp