Analysis

  • max time kernel
    175s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 08:10

General

  • Target
    https://mega.nz/file/NN03QRTb#VCCQWKKJ1h075jpQcyGbGeZ7Bt4qnwD_R24CCDuDV2c
  • Sample240606-j25pyabf8x
Score
10/10

Malware Config

Extracted

Family
  • asyncrat

Version
  • 1.0.7

Botnet
  • Default

C2
  • 95.216.52.21:7575

Mutex
  • xdnqiaxygefjfoolgo

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#.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://mega.nz/file/NN03QRTb#VCCQWKKJ1h075jpQcyGbGeZ7Bt4qnwD_R24CCDuDV2c
    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:3212
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffd08d0ab58,0x7ffd08d0ab68,0x7ffd08d0ab78
      2⤵
        PID:3208
      • 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=1592 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:2
        2⤵
          PID:1696
        • 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=1892 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:8
          2⤵
            PID:3136
          • 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=2232 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:8
            2⤵
              PID:436
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=2976 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:1
              2⤵
                PID:980
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2984 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:1
                2⤵
                  PID:5052
                • 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=4484 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:8
                  2⤵
                    PID:4428
                  • 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=4816 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:8
                    2⤵
                      PID:3636
                    • 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 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1068 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:2
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4364
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3024 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:8
                      2⤵
                        PID:3600
                      • 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=4996 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:8
                        2⤵
                          PID:3936
                        • 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=4984 --field-trial-handle=1972,i,12182627792312470157,11693134618606428090,131072 /prefetch:8
                          2⤵
                            PID:3448
                        • 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:2856
                          • C:\Windows\system32\AUDIODG.EXE
                            C:\Windows\system32\AUDIODG.EXE 0x320 0x4e8
                            1⤵
                              PID:1912
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:4424
                              • C:\Users\Admin\Desktop\Venom RAT + HVNC + Stealer + Grabber v6.0.3\Client.exe
                                "C:\Users\Admin\Desktop\Venom RAT + HVNC + Stealer + Grabber v6.0.3\Client.exe"
                                1⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:2300

                              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 72B
                                    • SHA256 2ed4f2593fd8cd21ff8d5832382f21d82b7a41e98368e4de978c655063cbeb34
                                    • MD5 SHA1 SHA512

                                    00000000

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\File System\000\p\00\00000000
                                    • Size 4.5MB
                                    • SHA256 3b0e6454d1309ffd74b0ffbd462b822e4e47a5979f4b232ea47628e3583b6a5d
                                    • MD5 SHA1 SHA512 SSDEEP

                                    MANIFEST-000001

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\File System\000\t\Paths\MANIFEST-000001
                                    • Size 41B
                                    • SHA256 f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4
                                    • MD5 SHA1 SHA512

                                    000003.log

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\IndexedDB\https_mega.nz_0.indexeddb.leveldb\000003.log
                                    • Size 67KB
                                    • SHA256 b577da37fee0ef7c0d1b0ab719813e99e3c832e3e0ed685f3d6e19950e340ea0
                                    • MD5 SHA1 SHA512 SSDEEP

                                    LOG.old

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\IndexedDB\https_mega.nz_0.indexeddb.leveldb\LOG.old
                                    • Size 376B
                                    • SHA256 6baae92602987f036b2763581cb075d98ebb4e4dfccb696fa7ea71573479dc32
                                    • MD5 SHA1 SHA512

                                    LOG.old

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\IndexedDB\https_mega.nz_0.indexeddb.leveldb\LOG.old
                                    • Size 373B
                                    • SHA256 40f09a3991daced70bd17bf819b0a3bc210cc6633402d157eb837087b9565a42
                                    • MD5 SHA1 SHA512

                                    LOG.old~RFe599987.TMP

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\IndexedDB\https_mega.nz_0.indexeddb.leveldb\LOG.old~RFe599987.TMP
                                    • Size 335B
                                    • SHA256 1fc56ade632ce7bf8b615b2dcb5159508c050286eb13b67940d55633026c14b9
                                    • MD5 SHA1 SHA512

                                    MANIFEST-000001

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\IndexedDB\https_mega.nz_0.indexeddb.leveldb\MANIFEST-000001
                                    • Size 23B
                                    • SHA256 720a78803b84cbcc8eb204d5cf8ea6ee2f693be0ab2124ddf2b81455de02a3ed
                                    • MD5 SHA1 SHA512

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                    • Size 2KB
                                    • SHA256 9bc0b26ce9bc8f0ee01d86be9b7d604bb0f58087dd06588d07f58bb90951a232
                                    • MD5 SHA1 SHA512

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                    • Size 2KB
                                    • SHA256 1b80cd8eccd1cf072b52e4b136ca2894b54741d6a1c7052831b5513097e05afd
                                    • 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 523B
                                    • SHA256 892cd1aa80f8a18e28eba70d95735818f40665277b621c2ee3b65b32a64c6d57
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 7KB
                                    • SHA256 a6e3d6fc41c29251f49c9bc9c4a918ac8f2893f7b9d84aa090343e523b31eb55
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 7KB
                                    • SHA256 4464f6e3f140448f2c7888b02eb635dc3341725b088bd7b4a3d889924c552183
                                    • MD5 SHA1 SHA512 SSDEEP

                                    CURRENT

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\Database\CURRENT
                                    • Size 16B
                                    • SHA256 0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443
                                    • MD5 SHA1 SHA512

                                    the-real-index

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index
                                    • Size 72B
                                    • SHA256 ebce6de05596cb041f7d9116928e25970d292929269284e438f37b93db2acc2e
                                    • MD5 SHA1 SHA512

                                    the-real-index~RFe57b6bd.TMP

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Service Worker\ScriptCache\index-dir\the-real-index~RFe57b6bd.TMP
                                    • Size 48B
                                    • SHA256 ec2dc99d41df225e957d5675d35b0c11f62ba0fa02cb8e844868941b3bab1b5e
                                    • MD5 SHA1 SHA512

                                    Module Info Cache

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache
                                    • Size 97KB
                                    • SHA256 24058925d04ed9534da0490f118a32c27f3085b402fe47620337719b356417c3
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Module Info Cache~RFe59e267.TMP

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Module Info Cache~RFe59e267.TMP
                                    • Size 88KB
                                    • SHA256 72dc779c1dacd0e59adc00e6f58b865a877d1d34602eaa8c737625c6c9a067f3
                                    • MD5 SHA1 SHA512 SSDEEP

                                    f89e219c-0fce-4424-a4c3-f921722a3ef4.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\f89e219c-0fce-4424-a4c3-f921722a3ef4.tmp
                                    • Size 129KB
                                    • SHA256 4f036b1ea61d0b758a33db9762582e47f58abf184a5ede5ad52337dbd5af8fd1
                                    • MD5 SHA1 SHA512 SSDEEP

                                    memory/2300-475-0x0000000000C50000-0x0000000000C66000-memory.dmp

                                    memory/2300-476-0x00007FFCF5413000-0x00007FFCF5415000-memory.dmp

                                    memory/2300-477-0x00007FFCF5410000-0x00007FFCF5ED1000-memory.dmp