Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2024 00:49

General

  • Target

    packetinjector.exe

  • Size

    56KB

  • MD5

    2a89c71539aea7e20f15469ec6bed996

  • SHA1

    7765fbdecda515f0046bd15b134851f919617ebd

  • SHA256

    cc6e66c0672e82d334213a6a8d8b7e7246d658b9aa5454342de8c5ac43ac7f1a

  • SHA512

    ce95772617f97c57dc4cf56dff6827e79ffc586fbd62ecaa3ba5fcd1c31c87749fdeabf6f2c350f356d3a03510165f43dc4a71f57b71ea420ccee28446fcbe48

  • SSDEEP

    1536:yuIadTYUN2eTBWfGLGbaZPE3RoXpCdHd0CRoF/:yuIeTYUN2YBWfGqbaZAoX8HeF/

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

127.0.0.1:16052

127.0.0.1:7000

serveo.net:6606

serveo.net:7707

serveo.net:8808

serveo.net:16052

serveo.net:7000

0.tcp.eu.ngrok.io:6606

0.tcp.eu.ngrok.io:7707

0.tcp.eu.ngrok.io:8808

0.tcp.eu.ngrok.io:16052

0.tcp.eu.ngrok.io:7000

Mutex

4dmeA4NOupaJ

Attributes
  • delay

    3

  • install

    true

  • install_file

    VantaPatcher.exe

  • 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 25 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\packetinjector.exe
    "C:\Users\Admin\AppData\Local\Temp\packetinjector.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4472
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "VantaPatcher" /tr '"C:\Users\Admin\AppData\Roaming\VantaPatcher.exe"' & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4948
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn "VantaPatcher" /tr '"C:\Users\Admin\AppData\Roaming\VantaPatcher.exe"'
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1852
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp97EA.tmp.bat""
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2072
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4348
      • C:\Users\Admin\AppData\Roaming\VantaPatcher.exe
        "C:\Users\Admin\AppData\Roaming\VantaPatcher.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:668
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\TestCopy.mht
    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:3048
    • 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=0x124,0x128,0x12c,0x100,0x130,0x7ffc272746f8,0x7ffc27274708,0x7ffc27274718
      2⤵
        PID:620
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2188,14664237004244511351,15241195362095183055,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2204 /prefetch:2
        2⤵
          PID:4636
        • 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=2188,14664237004244511351,15241195362095183055,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:3600
        • 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=2188,14664237004244511351,15241195362095183055,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2740 /prefetch:8
          2⤵
            PID:4356
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2188,14664237004244511351,15241195362095183055,131072 --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=3320 /prefetch:1
            2⤵
              PID:2740
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2188,14664237004244511351,15241195362095183055,131072 --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=3336 /prefetch:1
              2⤵
                PID:4468
              • 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=2188,14664237004244511351,15241195362095183055,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5224 /prefetch:8
                2⤵
                  PID:2276
                • 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=2188,14664237004244511351,15241195362095183055,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5224 /prefetch:8
                  2⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:2024
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2188,14664237004244511351,15241195362095183055,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5336 /prefetch:1
                  2⤵
                    PID:2712
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2188,14664237004244511351,15241195362095183055,131072 --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=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5352 /prefetch:1
                    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=2188,14664237004244511351,15241195362095183055,131072 --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=4740 /prefetch:1
                      2⤵
                        PID:3868
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2188,14664237004244511351,15241195362095183055,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5560 /prefetch:1
                        2⤵
                          PID:4180
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:1304
                        • C:\Windows\System32\CompPkgSrv.exe
                          C:\Windows\System32\CompPkgSrv.exe -Embedding
                          1⤵
                            PID:3648

                          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

                            ba6ef346187b40694d493da98d5da979

                            SHA1

                            643c15bec043f8673943885199bb06cd1652ee37

                            SHA256

                            d86eec91f295dfda8ed1c5fa99de426f2fe359282c7ebf67e3a40be739475d73

                            SHA512

                            2e6cc97330be8868d4b9c53be7e12c558f6eb1ac2c4080a611ba6c43561d0c5bb4791b8a11a8c2371599f0ba73ed1d9a7a2ea6dee2ae6a080f1912e0cb1f656c

                          • 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\Default\Preferences

                            Filesize

                            6KB

                            MD5

                            ccf0826e3902b01b50338eacb51146f2

                            SHA1

                            d46edba947ab342b4ff85b794235e50c48fceb03

                            SHA256

                            97549e0b1944a2deded393406d13225347ac0d68971568789844e9fe196e70b7

                            SHA512

                            f959537ba7a3094a5e5984f896f030996a3f8e8f340954de911db8d57a2192cda17b11d7d9eb28e595d0544a476b6aeb8793b282ccc71e3758a14ee5048b5f0e

                          • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\b2d7dd13-944b-48e4-8ec0-df1da5585f0f.tmp

                            Filesize

                            5KB

                            MD5

                            5bf3f4de925bb7fab8dbed39add8f163

                            SHA1

                            661d29cf5b9fd7f8f9ed4f9e9407581ad6b88615

                            SHA256

                            347045815f6ebb24177d650ea0746e438c246ba9f5b3d8e3e1cd6019bafccaf2

                            SHA512

                            d11f2699ef003a13d6cb3bc3d73685d561e38082f60c7522535405d8a5994f569639354f7ce464eafa7f8ab77b8ef21495911584ec61eb9e115f532cf8aad875

                          • 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

                            10KB

                            MD5

                            46a71a99f66a0c50561c018a1708e567

                            SHA1

                            c247b1bbecad4c9d716b22533ca6d05f44f5b3d5

                            SHA256

                            5ff6780f5355bda66d6121643ce1fd25fe2981d5dca8501fca4e04debeefddea

                            SHA512

                            bb562432e829c82680d0ba6c6bafd6b46a96e6f2dbc9672b3f3dd033703112442829e28adc8bd856a4bb12908df372161057ca93cc3e69a34f61e5bacf383d09

                          • C:\Users\Admin\AppData\Local\Temp\tmp97EA.tmp.bat

                            Filesize

                            156B

                            MD5

                            919c2fdf7e6928e5312fa288bec3140a

                            SHA1

                            49ffda59d486522d3543420cfba0b1160ba1fcbe

                            SHA256

                            8cdc5990127671109498f0acf7190981a10b2331c2317867c40f80a79759288e

                            SHA512

                            ee84faf9b9b744f5af69ce503ee1c70f3189e7fe8024a369ac2ff3d8289398163572311e35524e2b65084c595989d050fc57e5121776dbddea09f5129c8f239f

                          • C:\Users\Admin\AppData\Roaming\VantaPatcher.exe

                            Filesize

                            56KB

                            MD5

                            2a89c71539aea7e20f15469ec6bed996

                            SHA1

                            7765fbdecda515f0046bd15b134851f919617ebd

                            SHA256

                            cc6e66c0672e82d334213a6a8d8b7e7246d658b9aa5454342de8c5ac43ac7f1a

                            SHA512

                            ce95772617f97c57dc4cf56dff6827e79ffc586fbd62ecaa3ba5fcd1c31c87749fdeabf6f2c350f356d3a03510165f43dc4a71f57b71ea420ccee28446fcbe48

                          • memory/668-14-0x0000000075030000-0x00000000757E0000-memory.dmp

                            Filesize

                            7.7MB

                          • memory/668-15-0x0000000075030000-0x00000000757E0000-memory.dmp

                            Filesize

                            7.7MB

                          • memory/4472-0-0x000000007503E000-0x000000007503F000-memory.dmp

                            Filesize

                            4KB

                          • memory/4472-9-0x0000000075030000-0x00000000757E0000-memory.dmp

                            Filesize

                            7.7MB

                          • memory/4472-4-0x0000000005BA0000-0x0000000005C3C000-memory.dmp

                            Filesize

                            624KB

                          • memory/4472-3-0x0000000005740000-0x00000000057A6000-memory.dmp

                            Filesize

                            408KB

                          • memory/4472-2-0x0000000075030000-0x00000000757E0000-memory.dmp

                            Filesize

                            7.7MB

                          • memory/4472-1-0x0000000000D70000-0x0000000000D84000-memory.dmp

                            Filesize

                            80KB