Resubmissions

13/12/2024, 22:41

241213-2mda9askej3

13/12/2024, 22:38

241213-2knzzaskbj10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/12/2024, 22:38

General

  • Target
    https://gofile.io/d/Qjlpag
  • Sample241213-2knzzaskbj

Malware Config

Extracted

Family
  • asyncrat

Version
  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet
  • Default

C2
  • 193.161.193.99:3333

  • 81.51.33.42:3333

Mutex
  • coebhqhymsl

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Async RAT payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://gofile.io/d/Qjlpag
    1⤵
    • 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:3576
    • 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,0x100,0x104,0xd8,0x108,0x7ffd504946f8,0x7ffd50494708,0x7ffd50494718
      2⤵
        PID:4204
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2096 /prefetch:2
        2⤵
          PID:1968
        • 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=1996,15893136976654423224,5912388420371644795,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2420 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:5024
        • 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=1996,15893136976654423224,5912388420371644795,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2908 /prefetch:8
          2⤵
            PID:4476
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=3336 /prefetch:1
            2⤵
              PID:3616
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=3360 /prefetch:1
              2⤵
                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=1996,15893136976654423224,5912388420371644795,131072 --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=4660 /prefetch:1
                2⤵
                  PID:1120
                • 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=1996,15893136976654423224,5912388420371644795,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
                  2⤵
                    PID:2168
                  • 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=1996,15893136976654423224,5912388420371644795,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5056 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:1052
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=5296 /prefetch:1
                    2⤵
                      PID:208
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=5164 /prefetch:1
                      2⤵
                        PID:5108
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5124 /prefetch:1
                        2⤵
                          PID:812
                        • 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=1996,15893136976654423224,5912388420371644795,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=4112 /prefetch:8
                          2⤵
                            PID:5048
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=5172 /prefetch:1
                            2⤵
                              PID:3764
                            • 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=1996,15893136976654423224,5912388420371644795,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5952 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:1896
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=5376 /prefetch:1
                              2⤵
                                PID:2560
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6068 /prefetch:1
                                2⤵
                                  PID:4040
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1996,15893136976654423224,5912388420371644795,131072 --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=5256 /prefetch:2
                                  2⤵
                                    PID:5156
                                • C:\Windows\System32\CompPkgSrv.exe
                                  C:\Windows\System32\CompPkgSrv.exe -Embedding
                                  1⤵
                                    PID:1896
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:4528
                                    • C:\Windows\system32\OpenWith.exe
                                      C:\Windows\system32\OpenWith.exe -Embedding
                                      1⤵
                                      • Modifies registry class
                                      • Suspicious use of SetWindowsHookEx
                                      PID:532
                                    • C:\Windows\System32\rundll32.exe
                                      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                      1⤵
                                        PID:1036
                                      • C:\Program Files\7-Zip\7zG.exe
                                        "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Downloads\" -an -ai#7zMap12867:86:7zEvent8804
                                        1⤵
                                        • Suspicious use of AdjustPrivilegeToken
                                        • Suspicious use of FindShellTrayWindow
                                        PID:3240
                                      • C:\Windows\system32\cmd.exe
                                        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Downloads\Stealer Luna\setup.bat" "
                                        1⤵
                                          PID:5320
                                          • C:\Windows\system32\cacls.exe
                                            "C:\Windows\system32\cacls.exe" "C:\Windows\system32\config\system"
                                            2⤵
                                              PID:5452
                                            • C:\Windows\system32\cmd.exe
                                              C:\Windows\system32\cmd.exe /c where python
                                              2⤵
                                                PID:5468
                                                • C:\Windows\system32\where.exe
                                                  where python
                                                  3⤵
                                                    PID:5488
                                              • C:\Windows\system32\cmd.exe
                                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\Downloads\Stealer Luna\run.bat" "
                                                1⤵
                                                  PID:5524
                                                  • C:\Users\Admin\Downloads\Stealer Luna\Windows.exe
                                                    Windows.exe
                                                    2⤵
                                                    • Executes dropped EXE
                                                    • Suspicious behavior: EnumeratesProcesses
                                                    • Suspicious use of AdjustPrivilegeToken
                                                    • Suspicious use of SetWindowsHookEx
                                                    PID:5616
                                                • C:\Windows\system32\OpenWith.exe
                                                  C:\Windows\system32\OpenWith.exe -Embedding
                                                  1⤵
                                                  • Modifies registry class
                                                  • Suspicious behavior: GetForegroundWindowSpam
                                                  • Suspicious use of SetWindowsHookEx
                                                  PID:6108
                                                • C:\Windows\system32\NOTEPAD.EXE
                                                  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Downloads\Stealer Luna\version.txt
                                                  1⤵
                                                    PID:2372
                                                  • C:\Windows\system32\OpenWith.exe
                                                    C:\Windows\system32\OpenWith.exe -Embedding
                                                    1⤵
                                                    • Modifies registry class
                                                    • Suspicious behavior: GetForegroundWindowSpam
                                                    • Suspicious use of SetWindowsHookEx
                                                    PID:5344

                                                  Network

                                                        MITRE ATT&CK Enterprise v15

                                                        Replay Monitor

                                                        Loading Replay Monitor...

                                                        Downloads

                                                        settings.dat

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                                        • Size 152B
                                                        • SHA256 a4d7777b980ec53de3a70aca8fb25b77e9b53187e7d2f0fa1a729ee9a35da574
                                                        • MD5 SHA1 SHA512

                                                        settings.dat

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                                        • Size 152B
                                                        • SHA256 1e5efb5f1d78a4cc269cb116307e9d767fc5ad8a18e6cf95c81c61d7b1da5c66
                                                        • 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 144B
                                                        • SHA256 6bf978d90656c20c990349bf326cb223f799e6d6f3962c293166c48478669244
                                                        • MD5 SHA1 SHA512

                                                        Network Persistent State

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State
                                                        • Size 391B
                                                        • SHA256 0e7ef01600508d4133a35436c94acac7aca6b400da7e200cd857f4c7cf1d4aba
                                                        • MD5 SHA1 SHA512

                                                        Preferences

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                                        • Size 6KB
                                                        • SHA256 8100b4c50d818ebbabc88181355f7e3dc0787349baf7a506c0f0173c93472314
                                                        • MD5 SHA1 SHA512 SSDEEP

                                                        Preferences

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
                                                        • Size 5KB
                                                        • SHA256 4213fba802eeaf6b3f27296a064f54733c42b1d2299158398f3bb413d1177e3d
                                                        • 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 10KB
                                                        • SHA256 cf85502f8101c54dd0c97d861f74b74498932ee46384bd91ba67de4bd2db08b5
                                                        • MD5 SHA1 SHA512 SSDEEP

                                                        Local State

                                                        • Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State
                                                        • Size 10KB
                                                        • SHA256 4d92f92e3e04b1da013f9bccfa282c1590bdba15023781a87bd2bb73fc2382cc
                                                        • MD5 SHA1 SHA512 SSDEEP

                                                        Stealer Luna.rar

                                                        • Path C:\Users\Admin\Downloads\Stealer Luna.rar
                                                        • Size 111KB
                                                        • SHA256 7f91afc66ce86b80e8c00f0d587ec70144fd4c726294af723cfa25a7f4dbf691
                                                        • MD5 SHA1 SHA512 SSDEEP

                                                        Windows.exe

                                                        • Path C:\Users\Admin\Downloads\Stealer Luna\Windows.exe
                                                        • Size 74KB
                                                        • SHA256 80e566ed129fb51dc641794e2afca3601e2e2b2e79e304d4c82c39e030201287
                                                        • MD5 SHA1 SHA512 SSDEEP

                                                        run.bat

                                                        • Path C:\Users\Admin\Downloads\Stealer Luna\run.bat
                                                        • Size 27B
                                                        • SHA256 9052c9bd8d646b778dd15070f80ecb9e1d959aec585b97a62c8e3b0eaea501ed
                                                        • MD5 SHA1 SHA512

                                                        setup.bat

                                                        • Path C:\Users\Admin\Downloads\Stealer Luna\setup.bat
                                                        • Size 2KB
                                                        • SHA256 f4bbde069306e022e851c9e8fe1daa7d178ff7d83515c4dc3aa45c454d6b58c3
                                                        • MD5 SHA1 SHA512

                                                        version.txt

                                                        • Path C:\Users\Admin\Downloads\Stealer Luna\version.txt
                                                        • Size 1KB
                                                        • SHA256 eb924ec331353a23de481b3e9caa4d5fd9e17c49893419e03fe85c1e9c78c47a
                                                        • MD5 SHA1 SHA512

                                                        memory/5616-209-0x0000000000D80000-0x0000000000D98000-memory.dmp

                                                        memory/5616-244-0x000000001C6A0000-0x000000001C716000-memory.dmp

                                                        memory/5616-245-0x0000000002F40000-0x0000000002F50000-memory.dmp

                                                        memory/5616-246-0x000000001BE80000-0x000000001BE9E000-memory.dmp