Analysis

  • max time kernel
    30s
  • max time network
    31s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-01-2025 21:04

General

  • Target

    https://gofile.io/d/5vl52A

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

gNAVbVMwMkAB

Attributes
  • delay

    3

  • 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
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 42 IoCs
  • Suspicious use of SendNotifyMessage 24 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/5vl52A
    1⤵
    • Enumerates system info in registry
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:3644
    • 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,0x100,0x104,0xd8,0x108,0x7ffed0a346f8,0x7ffed0a34708,0x7ffed0a34718
      2⤵
        PID:2100
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2140 /prefetch:2
        2⤵
          PID:2520
        • 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=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2208 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2384
        • 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=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2788 /prefetch:8
          2⤵
            PID:3496
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --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=3296 /prefetch:1
            2⤵
              PID:4468
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --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=3304 /prefetch:1
              2⤵
                PID:4376
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --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=4616 /prefetch:1
                2⤵
                  PID:3168
                • 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=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5064 /prefetch:8
                  2⤵
                    PID:624
                  • 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=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5064 /prefetch:8
                    2⤵
                    • Suspicious behavior: EnumeratesProcesses
                    PID:3808
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --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=5060 /prefetch:1
                    2⤵
                      PID:4608
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --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=5396 /prefetch:1
                      2⤵
                        PID:212
                      • 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=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5660 /prefetch:8
                        2⤵
                          PID:1952
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5668 /prefetch:1
                          2⤵
                            PID:1936
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=6132 /prefetch:8
                            2⤵
                              PID:392
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilReadIcon --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5940 /prefetch:8
                              2⤵
                                PID:2336
                              • 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=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5124 /prefetch:8
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1836
                              • C:\Users\Admin\Downloads\AsyncClient.exe
                                "C:\Users\Admin\Downloads\AsyncClient.exe"
                                2⤵
                                • Executes dropped EXE
                                • System Location Discovery: System Language Discovery
                                • Suspicious use of AdjustPrivilegeToken
                                PID:3988
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3440 /prefetch:1
                                2⤵
                                  PID:4608
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --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=18 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6008 /prefetch:1
                                  2⤵
                                    PID:2440
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5816 /prefetch:1
                                    2⤵
                                      PID:644
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,8937000723482545253,5936691124991332924,131072 --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=20 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6364 /prefetch:1
                                      2⤵
                                        PID:4812
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:512
                                      • C:\Windows\System32\CompPkgSrv.exe
                                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                                        1⤵
                                          PID:2124

                                        Network

                                        MITRE ATT&CK Enterprise v15

                                        Replay Monitor

                                        Loading Replay Monitor...

                                        Downloads

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                          Filesize

                                          152B

                                          MD5

                                          b8880802fc2bb880a7a869faa01315b0

                                          SHA1

                                          51d1a3fa2c272f094515675d82150bfce08ee8d3

                                          SHA256

                                          467b8cd4aacac66557712f9843023dcedefcc26efc746f3e44157bc8dac73812

                                          SHA512

                                          e1c6dba2579357ba70de58968b167d2c529534d24bff70568144270c48ac18a48ee2af2d58d78ae741e5a36958fa78a57955bd2456f1df00b781fc1002e123d2

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

                                          Filesize

                                          152B

                                          MD5

                                          ba6ef346187b40694d493da98d5da979

                                          SHA1

                                          643c15bec043f8673943885199bb06cd1652ee37

                                          SHA256

                                          d86eec91f295dfda8ed1c5fa99de426f2fe359282c7ebf67e3a40be739475d73

                                          SHA512

                                          2e6cc97330be8868d4b9c53be7e12c558f6eb1ac2c4080a611ba6c43561d0c5bb4791b8a11a8c2371599f0ba73ed1d9a7a2ea6dee2ae6a080f1912e0cb1f656c

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000005

                                          Filesize

                                          47KB

                                          MD5

                                          505f2c40263bf050024792cb5f52ee09

                                          SHA1

                                          251ffb780f535dd8f31b40a83028ae706e4c092c

                                          SHA256

                                          4848fcee3bfb1ceb2b9d702acfa06c7e9eb17e1301ac6d9685505add3b6a829f

                                          SHA512

                                          d03a3aae31f6b69476cf32e83796842c796e7ed6da806f0d0762f89cef502c182eb21e3ba6bc908d2dcc2b577a84b8bdae3b4f7db1bea01349c8ecc523d183da

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

                                          Filesize

                                          144B

                                          MD5

                                          887eb4763f227d5d3ea75cf94d420ebe

                                          SHA1

                                          82632745d40c55c093643adadbcece63a5c8b526

                                          SHA256

                                          de0552853d499dd29a9b8d26e982fcb8f6396cc450da6828a2e354d2f0b02d41

                                          SHA512

                                          af96d89152920304628c45c35ce6a92f6d40afb09bef61cc0b1ab5a93cf3b6a7190ba2dff91059b7407a0e8be4fc34184662bec4dc59414b6a95179bf86437f7

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                          Filesize

                                          6KB

                                          MD5

                                          12d7593b61b556ea18067e812054612f

                                          SHA1

                                          a8fc3cae6e8495034609fe9c24d4e8570fbdb1f9

                                          SHA256

                                          ed7141af8b2cad1e4008f0fc1d20a46e9a62e3d870678888cc75ababd6523f2f

                                          SHA512

                                          5b262af9e69839bebb15d99f6edba9677a4f1f4eb4870c9e62f48bdd104594e41fe59a6e47dabd71c8f721a06324e6b34ef55c8248819f10fb0839e577c37a50

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

                                          Filesize

                                          5KB

                                          MD5

                                          b4a998405b4145bc8deed4b4a3f32f2e

                                          SHA1

                                          a0d3e90f2bac2a7b1f7df58892c8ca22c97ca38e

                                          SHA256

                                          fd13ca9573596011978f830ce0ff74b2b91e1bef81fa8ef5aca0bcf5b5413f37

                                          SHA512

                                          1bb82bb96c385f8961d88f570de59c682e0708d10eae04b5ba21d4e88abbc1c802d2bc2a71a292d0beb3781d9325ebf923f141f4c234e1ad87c37a9a2cec8dca

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                          Filesize

                                          16B

                                          MD5

                                          46295cac801e5d4857d09837238a6394

                                          SHA1

                                          44e0fa1b517dbf802b18faf0785eeea6ac51594b

                                          SHA256

                                          0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

                                          SHA512

                                          8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

                                          Filesize

                                          16B

                                          MD5

                                          206702161f94c5cd39fadd03f4014d98

                                          SHA1

                                          bd8bfc144fb5326d21bd1531523d9fb50e1b600a

                                          SHA256

                                          1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

                                          SHA512

                                          0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                          Filesize

                                          10KB

                                          MD5

                                          fa15be7878a7b3fff7f30b14d1203709

                                          SHA1

                                          fde6ecfc6416f48a923bc69a2bc30857538748ca

                                          SHA256

                                          3a4fdd8edebf8da25bcc8d80d4379892deaadb0afdc1fdd72829a1c2b8aa13d1

                                          SHA512

                                          0c9c300b3089e453df64f22c0e7ac90d67aae967c27a25ac8c748808b366914b2ea652fc0756dea6585735cad437bf8501e7c47e324cb578eda815b629d1eac4

                                        • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

                                          Filesize

                                          10KB

                                          MD5

                                          6e0f41261c7e592e527c4ae4398bbf5f

                                          SHA1

                                          ab67e0d7be1110777e64e05a89ecb92f49eaa640

                                          SHA256

                                          943a19208fe4fa19652cec1abb1ee21d765dfff59e30089f26f93c1575936f63

                                          SHA512

                                          c5adbda70131776b70656dd681ce12a594482c84eb8d6a69ef4a8766042bb62bf35fd27422f78ba78a2d21c877d18d6c0628a74993020d424d1ec4668afc8414

                                        • memory/3988-112-0x0000000000250000-0x0000000000262000-memory.dmp

                                          Filesize

                                          72KB