Analysis

  • max time kernel
    301s
  • max time network
    279s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 20:06

General

  • Target
    https://gofile.io/d/IbkPa0
  • Sample240728-yvxhbasamn

Malware Config

Extracted

Family
  • asyncrat

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

Botnet
  • ceva

C2
  • 127.0.0.1:17237

Mutex
  • skema

Attributes
  • delay

    1

  • install

    true

  • install_file

    grab.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 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 35 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://gofile.io/d/IbkPa0
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:212
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=123.0.6312.106 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7fffb2f7cc40,0x7fffb2f7cc4c,0x7fffb2f7cc58
      2⤵
        PID:3264
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1980,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=1976 /prefetch:2
        2⤵
          PID:1592
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=1780,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2136 /prefetch:3
          2⤵
            PID:2336
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --field-trial-handle=2284,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=2432 /prefetch:8
            2⤵
              PID:2448
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3120,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3156 /prefetch:1
              2⤵
                PID:2516
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3128,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3248 /prefetch:1
                2⤵
                  PID:3236
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4488,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4448 /prefetch:1
                  2⤵
                    PID:4688
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4724,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=3460 /prefetch:8
                    2⤵
                      PID:3404
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --field-trial-handle=5020,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=4936 /prefetch:1
                      2⤵
                        PID:2216
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --no-appcompat-clear --field-trial-handle=4856,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=5104 /prefetch:8
                        2⤵
                          PID:1860
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --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 --no-appcompat-clear --gpu-preferences=WAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAACEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=4544,i,3381433951056527911,3094017543241893156,262144 --variations-seed-version=20240708-180128.343000 --mojo-platform-channel-handle=5148 /prefetch:8
                          2⤵
                          • Drops file in System32 directory
                          PID:3156
                      • C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe
                        "C:\Program Files\Google\Chrome\Application\123.0.6312.106\elevation_service.exe"
                        1⤵
                          PID:756
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
                          1⤵
                            PID:5096
                          • C:\Windows\System32\rundll32.exe
                            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                            1⤵
                              PID:184
                            • C:\Program Files\7-Zip\7zFM.exe
                              "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\Downloads\gg2.rar"
                              1⤵
                              • Suspicious behavior: GetForegroundWindowSpam
                              • Suspicious use of FindShellTrayWindow
                              PID:1468
                            • C:\Users\Admin\Desktop\gg2.exe
                              "C:\Users\Admin\Desktop\gg2.exe"
                              1⤵
                              • Checks computer location settings
                              • Executes dropped EXE
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3792
                              • C:\Windows\System32\cmd.exe
                                "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "grab" /tr '"C:\Users\Admin\AppData\Roaming\grab.exe"' & exit
                                2⤵
                                  PID:4024
                                  • C:\Windows\system32\schtasks.exe
                                    schtasks /create /f /sc onlogon /rl highest /tn "grab" /tr '"C:\Users\Admin\AppData\Roaming\grab.exe"'
                                    3⤵
                                    • Scheduled Task/Job: Scheduled Task
                                    PID:4192
                                • C:\Windows\system32\cmd.exe
                                  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpB987.tmp.bat""
                                  2⤵
                                    PID:3984
                                    • C:\Windows\system32\timeout.exe
                                      timeout 3
                                      3⤵
                                      • Delays execution with timeout.exe
                                      PID:2044
                                    • C:\Users\Admin\AppData\Roaming\grab.exe
                                      "C:\Users\Admin\AppData\Roaming\grab.exe"
                                      3⤵
                                      • Executes dropped EXE
                                      • Suspicious behavior: EnumeratesProcesses
                                      • Suspicious use of SetWindowsHookEx
                                      PID:2904

                                Network

                                      MITRE ATT&CK Enterprise v15

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      BrowsingTopicsState

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
                                      • Size 649B
                                      • SHA256 9e83265211f59a60b9d94d6e0e121f0ac88de2577f1386b62d1098d721f9c779
                                      • MD5 SHA1 SHA512

                                      the-real-index

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                      • Size 336B
                                      • SHA256 65034733661f41bcfe8945c53e19faecd072687d35b495c64914a37a929eebf9
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 1KB
                                      • SHA256 a3b3ada10a637ec860096c0e66bd3c435eaa39156d00242f1e18422b7dbbcc46
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 1KB
                                      • SHA256 39bdefd1785dd63d1d0313a13bc2dbfc6e85089b167d5c433bde34c0ce734834
                                      • MD5 SHA1 SHA512

                                      Network Persistent State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                      • Size 2KB
                                      • SHA256 4c8006e235c7de8cc705daaa5cf8c608dfe718804b2a9cc9f0ddf56066f110ff
                                      • MD5 SHA1 SHA512

                                      SCT Auditing Pending Reports

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                      • Size 2B
                                      • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                      • MD5 SHA1 SHA512

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                      • Size 690B
                                      • SHA256 5f84a2c0040c8e947061740dd064c7d81b4bc937a2da2508d217b3f9abf72e12
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 9cb82534af6b38cc47c22b5eae808900cc67bf27f50a96b5e8a3cf6d1e841cce
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 80ad2f0af23ac164fbccbbfa34ceaa9d4b8ce1da93e4a57a9e1928c3dc2489e8
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 186b31eb7a668525ae77da6dc76822d24ec3f09b32a1f6dceacd45a64a639c12
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 49a576ac9f9132958fabed1a643b5b6fbc8617bd09777af17237a6524fb2e6f8
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 7823eea6cce4dc7937d28f6615c00e0c506dfd13c5357dbd21a7950774896762
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 3db995b531a10f21d99d0a4159a56c4ee95ba9205234bbdcfd0266257b35dbf1
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 3cf95a0db4bca3f4f69b02bde54f4af17f3e57cd0ece7f934bea21c7726a2533
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 4d1fce540d2dc461db664bdb2f17863245532d9af92eac564094eacf270c9e3e
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 86571dd9ee6a5a1e325c766448a32425f8016bddd41880380016dcab29b9ab29
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 bfce20e88e068092fcdf1d74c840afe83a32ea68e016aae8c639c443b2f429bd
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 4dfc06804e7f0c323935b965e0c5806561c99acdb817ac452fc08226acd35159
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 c952d2332acef0cd1020b7427c5a729e21dbff19c0ea0e53b4942fc53bc082f9
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 d89f40ff8da2fb9c25ee9f91f1c9d120e9c29ce5ae5053f3b3de908b828f14e2
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 629a953a792b4ddb0cd9328586e99ddb5b45ec3ab33806de6041cef0fa51369c
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 d45888e9e50a2e631ba2223efc9bff3f95d9b85ce514c30954eee494f51bddcd
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 1fa387e00e4f6f693df7d215d8fa8becdf94daeec3d4c56d8878575070e42e99
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 9KB
                                      • SHA256 0d706e8a40850dbd97e7448d9a2b7987cdea187158ad06975e97d2084a96fe46
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 92KB
                                      • SHA256 ee2c0196f3c0bce43273fae5b262615d9c32c1a2e8c73b70c4e7154f514d1071
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 92KB
                                      • SHA256 8d2043ff8888cbd91a2261b311c679470822a83df7f93288e0038e335db249de
                                      • MD5 SHA1 SHA512 SSDEEP

                                      tmpB987.tmp.bat

                                      • Path C:\Users\Admin\AppData\Local\Temp\tmpB987.tmp.bat
                                      • Size 148B
                                      • SHA256 8d4cdd672dcf823bf419b18a945cdce4517fb592a103165d162e84b088a1c366
                                      • MD5 SHA1 SHA512

                                      DataLogs.conf

                                      • Path C:\Users\Admin\AppData\Roaming\MyData\DataLogs.conf
                                      • Size 8B
                                      • SHA256 c9f9f193409217f73cc976ad078c6f8bf65d3aabcf5fad3e5a47536d47aa6761
                                      • MD5 SHA1 SHA512

                                      gg2.exe

                                      • Path C:\Users\Admin\Desktop\gg2.exe
                                      • Size 74KB
                                      • SHA256 09b94896838343af498a769f7ae046e40b77187c79d3492f5bb2ad67f92a363c
                                      • MD5 SHA1 SHA512 SSDEEP

                                      gg2.rar

                                      • Path C:\Users\Admin\Downloads\gg2.rar
                                      • Size 32KB
                                      • SHA256 18ce7dc8e7abe9d6803adc57c2e06fd8b6d5dc65eb8b6c57fd1d9ada7c9479d1
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/3792-152-0x0000000000CF0000-0x0000000000D08000-memory.dmp