Resubmissions

18-04-2024 21:11

240418-z1nb9sfa27 10

18-04-2024 21:06

240418-zxzwwseh45 10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • resource tags

    arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    18-04-2024 21:06

General

  • Target

    C11Setup.exe

  • Size

    252KB

  • MD5

    adb48fc0242b35f84394ab6e76a60c14

  • SHA1

    76200b162b7cd180f25a6effc43e573f665af0ab

  • SHA256

    93c4bdda249ddc80ed634c8f4656872fe2fe4083fbd7c8341fc094474ac69af8

  • SHA512

    f894e5f1d01ad5ae3764065a2334178076021a517b1b6db2cc9a77b7230ae6e3c946e527a5d8e8f92de59a49334403461db9f8afcd706ec5dcfc5bc6f897dcf0

  • SSDEEP

    3072:TUf1cxiaUmPMVWDFgTH1bmOQiR7c2ytBcL5BdkwvTkmEdXYY:TYCUmPMVEuVbzHWwvqdI

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

Default

C2

127.0.0.1:4449

127.0.0.1:6555

127.0.0.1:0

127.0.0.1:4040

Mutex

mqdprsvdfq

Attributes
  • delay

    1

  • install

    true

  • install_file

    CABotstrapper.exe

  • install_folder

    %Temp%

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 registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\C11Setup.exe
    "C:\Users\Admin\AppData\Local\Temp\C11Setup.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3220
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
    1⤵
      PID:572
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\SaveGrant.xhtml
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2060
      • 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff84a9e3cb8,0x7ff84a9e3cc8,0x7ff84a9e3cd8
        2⤵
          PID:2496
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1884 /prefetch:2
          2⤵
            PID:2976
          • 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=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2124 /prefetch:3
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:772
          • 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=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2508 /prefetch:8
            2⤵
              PID:2728
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=3204 /prefetch:1
              2⤵
                PID:892
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=3220 /prefetch:1
                2⤵
                  PID:3168
                • C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5260 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3584
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4824 /prefetch:1
                  2⤵
                    PID:4904
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=5400 /prefetch:1
                    2⤵
                      PID:3140
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4660 /prefetch:1
                      2⤵
                        PID:488
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4752 /prefetch:1
                        2⤵
                          PID:4916
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5776 /prefetch:1
                          2⤵
                            PID:1348
                          • 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.UtilWin --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3976 /prefetch:8
                            2⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4584
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4108 /prefetch:1
                            2⤵
                              PID:3308
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=4872 /prefetch:1
                              2⤵
                                PID:1912
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5824 /prefetch:1
                                2⤵
                                  PID:1000
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=4872 /prefetch:8
                                  2⤵
                                    PID:2736
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=5132 /prefetch:8
                                    2⤵
                                    • Modifies registry class
                                    • Suspicious behavior: EnumeratesProcesses
                                    PID:4068
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1872,1227253663808937002,11284405872066133112,131072 --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=5948 /prefetch:1
                                    2⤵
                                      PID:4056
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:4584
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:4276
                                      • C:\Windows\System32\rundll32.exe
                                        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                        1⤵
                                          PID:4508
                                        • C:\Windows\system32\AUDIODG.EXE
                                          C:\Windows\system32\AUDIODG.EXE 0x00000000000004CC 0x00000000000004D4
                                          1⤵
                                            PID:2672

                                          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

                                            3e5a2dac1f49835cf442fde4b7f74b88

                                            SHA1

                                            7b2cf4e2820f304adf533d43e6d75b3008941f72

                                            SHA256

                                            30bd1e1bafb4502c91c1fb568372c0fb046d32a4b732e6b88ce59ea23663e4ce

                                            SHA512

                                            933ac835894ce6cb8aac0261153823c96b6abec955173653dd56e534d644efd03aec71acb4f8cb0b9af871962296ec06cd03e570a0ac53098b8cd55657543786

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

                                            Filesize

                                            152B

                                            MD5

                                            6e15af8f29dec1e606c7774ef749eaf2

                                            SHA1

                                            15fbec608e4aa6ddd0e7fd8ea64c2e8197345e97

                                            SHA256

                                            de9124e3fddde204df6a6df22b8b87a51823ba227d3e304a6a6aced9da00c74c

                                            SHA512

                                            1c9c9acd158273749e666271a5cdb2a6aebf6e2b43b835ebcc49d5b48490cbbf4deddef08c232417cee33d4809dec9ddac2478765c1f3d7ed8ea7441f5fd1d15

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

                                            Filesize

                                            5KB

                                            MD5

                                            c0265aa80543d83fb130d00cdd38605e

                                            SHA1

                                            4f0e926ff0ef2c74c0572da829ef3ad75b209e31

                                            SHA256

                                            a5ee70cb986ab5a26ed3872af5815fec55c277933bd974feb96b651185a0dc79

                                            SHA512

                                            ff3a410dc7513ef8409cf0432e7c9b037b1fb0276a582557ecb9f101175a26dadaa9c9661ff93f07fa557a9ed33c074c15a07021899b7c63882dbaa150388390

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

                                            Filesize

                                            6KB

                                            MD5

                                            a4077790425284a719970dff4697dee2

                                            SHA1

                                            f749d3d03ccda4b2e2f116c39bf7d4ac171efc2d

                                            SHA256

                                            fba69b2433f93551f72a347816fa37a46774d4175e99842a15a794c0ca6b358a

                                            SHA512

                                            00e85b30b8ad6154e8de87c1a3b888767ea77931eb7282aee485753b0aad3d010a98561f77905fdb15f39144c76b60dad75e3ad53717974360f69b356d942084

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

                                            Filesize

                                            6KB

                                            MD5

                                            b77004da127152c8155d5a87946416f8

                                            SHA1

                                            479aa4a928f9ee1eba6511ca052b49c87f53b251

                                            SHA256

                                            05fa8223802546a552c5f7ae5364b33052adc6ab41965de850cf94d0f5378534

                                            SHA512

                                            60c80131ebeaa7019d259c8348a6fd7cdb8bc7641a3cdcc5ed5756395b08e2d7b2e4b2939c0b05f3c3882e82448069c735d41adaa892cdb2ab3b16c8f7c6ea38

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

                                            Filesize

                                            6KB

                                            MD5

                                            c96de8dfc51950a14568f913b0b98cd5

                                            SHA1

                                            faeddbe38c4e18e8ae723220f7ffc1f525140027

                                            SHA256

                                            3ac649535470cabb842e00cf4b1ad902d474b95d7df9ba28464ecf243f9daec6

                                            SHA512

                                            50cbf22234a0e44cb5dfe999cca8495f786f3bdbb6e7298e2d7a2ae91069c87d87f2f4f608c7b6a8d318d21e3ffaa583152893387768b60727697478cdca461e

                                          • 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

                                            11KB

                                            MD5

                                            3e1d14d4bae8a732d0e8a31c0d01729f

                                            SHA1

                                            3a91bfdf9770636386a3b208dd5a27085a2b09c6

                                            SHA256

                                            c5a739f38be67df5693d7d693a3c6be42af5effb9bd86828d439d2ad6ec322d2

                                            SHA512

                                            1c108b59e672eb23749823d949997a943e67c8d657563e87ca6b9848bd3893257db7463a5beb12ec37bf4ac49e19c0787dfba454f37b6f5d77fe7c3aee65d0a8

                                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\dbc11803-8a4b-49ab-b457-6b6a5d9638b3.tmp

                                            Filesize

                                            12KB

                                            MD5

                                            9f813d90d076da0cbafb7360d149eb40

                                            SHA1

                                            9d96e97d1a6ba95c148f6fcf4627e5312c3e684d

                                            SHA256

                                            8a18cb2498ff88d3882077f5bfa408d359074e336edc666f6ecc696ed41785fd

                                            SHA512

                                            975a038d8878cfd3f576ad7ca522b444232c6908aacb1a435ac3b2a7335adc5bcaaab022774cff2b90eb7e3e4c227ecb6864ed6927e538fb4e57942cc9727447

                                          • memory/3220-0-0x0000000000CE0000-0x0000000000D24000-memory.dmp

                                            Filesize

                                            272KB

                                          • memory/3220-4-0x00007FF84B1D0000-0x00007FF84BC92000-memory.dmp

                                            Filesize

                                            10.8MB

                                          • memory/3220-3-0x0000000002FD0000-0x0000000002FE0000-memory.dmp

                                            Filesize

                                            64KB

                                          • memory/3220-2-0x00007FF84B1D0000-0x00007FF84BC92000-memory.dmp

                                            Filesize

                                            10.8MB