Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 21:33

General

  • Target
    da.exe
  • Size 74KB
  • Sample240416-1emdhsdc27
  • SHA256 429cd5a05d36ca2339d2868a35154b5c5d402906ef0110cce91e9feb064a484f
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

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

Botnet
  • Default

C2
  • 66.66.146.74:9511

Mutex
  • kisomdocpgpwpanh

Attributes
  • delay

    1

  • install

    true

  • install_file

    Win32.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 33 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da.exe
    "C:\Users\Admin\AppData\Local\Temp\da.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:212
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:2096
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      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:3772
      • 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:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=110.0.5481.104 --initial-client-data=0x11c,0x120,0x124,0x104,0x128,0x7ff8857aab58,0x7ff8857aab68,0x7ff8857aab78
        2⤵
          PID:1716
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1724 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:2
          2⤵
            PID:4156
          • 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 --mojo-platform-channel-handle=2112 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
            2⤵
              PID:3480
            • 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 --mojo-platform-channel-handle=2304 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
              2⤵
                PID:1260
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2992 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:1
                2⤵
                  PID:4372
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3000 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:1
                  2⤵
                    PID:2244
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4420 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:1
                    2⤵
                      PID:1856
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4128 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
                      2⤵
                        PID:3084
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4164 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
                        2⤵
                          PID:1440
                        • 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 --mojo-platform-channel-handle=4784 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
                          2⤵
                            PID:3752
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4952 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
                            2⤵
                              PID:2856
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3640 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
                              2⤵
                                PID:4868
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=4960 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:1
                                2⤵
                                  PID:4848
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=4328 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:1
                                  2⤵
                                    PID:4704
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --mojo-platform-channel-handle=3488 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:1
                                    2⤵
                                      PID:4776
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3060 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
                                      2⤵
                                        PID:3428
                                      • 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 --mojo-platform-channel-handle=5168 --field-trial-handle=1700,i,685148326461182424,17017574187152532492,131072 /prefetch:8
                                        2⤵
                                          PID:1564
                                      • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                                        "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                                        1⤵
                                          PID:4428

                                        Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

                                              Loading Replay Monitor...

                                              Downloads

                                              the-real-index

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index
                                              • Size 576B
                                              • SHA256 52b9a23d0b7d2dbfeb6cafdaab11b87fb95dcce2e7090c52548fe2c9cf9f8dc9
                                              • MD5 SHA1 SHA512

                                              Network Persistent State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                              • Size 4KB
                                              • SHA256 8ab7afa825b31907811a95e8d4fd760e01f2bc451aed113598290081be8cbf38
                                              • MD5 SHA1 SHA512 SSDEEP

                                              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 354B
                                              • SHA256 0e103ae641f94e781a52b67bc3f434986677e52206de746305e4c1fb6021947b
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 522B
                                              • SHA256 2cf46155a12c7715f57061257b278758ae5eb21c780eaebcb0288c55b7f93dd5
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 1KB
                                              • SHA256 3cb3c4a93b35c7f2cb43861d6d87a103fc2cf9448b0409376a80376d3b1bfaab
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 522B
                                              • SHA256 7106f0423f5ba47aa6cdbcb7121680d500846f3b5074e75e36a1fdc871a22617
                                              • MD5 SHA1 SHA512

                                              TransportSecurity

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                              • Size 1KB
                                              • SHA256 37bb7404b4b54753c3022bfd577cda9314975957ed9ca748d43b93cd9dfe412e
                                              • MD5 SHA1 SHA512

                                              a61b6b94-da13-490a-8bb7-f1a66956a5e6.tmp

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\a61b6b94-da13-490a-8bb7-f1a66956a5e6.tmp
                                              • Size 522B
                                              • SHA256 834db4fc016530fbae27f02d2536feb16e240eb8d1579ea0e69446dbd159d461
                                              • MD5 SHA1 SHA512

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 6KB
                                              • SHA256 dc5ada1f749dadcd5d23159352341880c745af0054018bdf162dfa1e4944b5d8
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 7KB
                                              • SHA256 2e079405efa1aa6f359b67c8a3a7a647d79170b2da746372002506d756769fe4
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 7KB
                                              • SHA256 598932a1cbd513005c0f4094465df90aa87a82c570e5a8043f7a8e0846a06a4e
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                              • Size 7KB
                                              • SHA256 aa416c62e3fa64be59718c8a9d8038288abf654ea721116067a1f48ec5d40471
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Secure Preferences

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                              • Size 16KB
                                              • SHA256 50964b15f78a30e689d567d94f0bc49d1b3f67c39a08b440b0f82433e5904dcb
                                              • MD5 SHA1 SHA512 SSDEEP

                                              index.txt

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\CacheStorage\379f1cbab5b08b6fc9e08681e42d8be311441c88\index.txt
                                              • Size 56B
                                              • SHA256 1b11047e738f76c94c9d15ee981ec46b286a54def1a7852ca1ade7f908988649
                                              • MD5 SHA1 SHA512

                                              index.txt~RFe58b5de.TMP

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\CacheStorage\379f1cbab5b08b6fc9e08681e42d8be311441c88\index.txt~RFe58b5de.TMP
                                              • Size 120B
                                              • SHA256 ce64b9378c327134ef118a49e6892f020af9d238850d4985988188977c8fadf9
                                              • MD5 SHA1 SHA512

                                              Local State

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                              • Size 251KB
                                              • SHA256 8bd11ddadeb19ecd5ab080566e18ec6b8098af7d26b555bd1ca2c1b15971f625
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Module Info Cache

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache
                                              • Size 97KB
                                              • SHA256 c589ce499c68b7639e35f6203f4d9a93c8458d26969f52fa45eecbb4138c857c
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Module Info Cache~RFe59912a.TMP

                                              • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe59912a.TMP
                                              • Size 89KB
                                              • SHA256 4d6ab2316de730b4d946845215e8b3b8eda33107d4f6d511fb74b60b947e203c
                                              • MD5 SHA1 SHA512 SSDEEP

                                              Ransomware.WannaCry.zip

                                              • Path C:\Users\Admin\Downloads\Ransomware.WannaCry.zip
                                              • Size 3.3MB
                                              • SHA256 707a9f323556179571bc832e34fa592066b1d5f2cac4a7426fe163597e3e618a
                                              • MD5 SHA1 SHA512 SSDEEP

                                              memory/212-3-0x000000001B520000-0x000000001B530000-memory.dmp

                                              memory/212-4-0x00007FF87BCE0000-0x00007FF87C7A1000-memory.dmp

                                              memory/212-2-0x00007FF87BCE0000-0x00007FF87C7A1000-memory.dmp

                                              memory/212-0-0x00000000006D0000-0x00000000006E8000-memory.dmp