Resubmissions

14/04/2025, 07:51

250414-jp1kfssjz9 10

14/04/2025, 07:46

250414-jl9nyssjt9 10

08/04/2025, 15:58

250408-tevasswl18 10

08/04/2025, 14:19

250408-rm2nqsvqw2 10

Analysis

  • max time kernel
    898s
  • max time network
    900s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/04/2025, 15:58

General

  • Target

    f628fa20e85aaf1cc562cfd512392d3d12da2ef70adc31068f1e3d7f2b0a4f3b.exe

  • Size

    273KB

  • MD5

    3ef5f71fdec671a56a286ea1866bb640

  • SHA1

    04e90d67cfb7cb470ea9e6d48f4fc765b0ddb472

  • SHA256

    f628fa20e85aaf1cc562cfd512392d3d12da2ef70adc31068f1e3d7f2b0a4f3b

  • SHA512

    5e724aef6ad8258cf23363911fb74780ff9b6cd469c0ba478d72de2d86b295ed63901e89a0a05466b2c9a7925244f6b02aef3ab9d06f325a1301eb3aedd431d2

  • SSDEEP

    3072:WdvzDqxs8ORikgogWfiuRXd3YmSffdTKXNXANewGBvskX1pWA/s8sdT/u:WFzDqa86hV6uRRqX1evPlwAEdS

Malware Config

Extracted

Family

asyncrat

Version

0.4.9G

C2

corporation.warzonedns.com:9341

Mutex

480-28105c055659

Attributes
  • delay

    0

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 27 IoCs

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

  • Checks processor information in registry 2 TTPs 12 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f628fa20e85aaf1cc562cfd512392d3d12da2ef70adc31068f1e3d7f2b0a4f3b.exe
    "C:\Users\Admin\AppData\Local\Temp\f628fa20e85aaf1cc562cfd512392d3d12da2ef70adc31068f1e3d7f2b0a4f3b.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:208
    • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
      "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:620
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        3⤵
          PID:2180
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:3348
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat""
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1032
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 180
          3⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2204
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /nh /fi "imagename eq svhost.exe"
          3⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4816
        • C:\Windows\SysWOW64\find.exe
          find /i "svhost.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3264
        • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
          "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1496
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:4484
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 180
          3⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:5032
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /nh /fi "imagename eq svhost.exe"
          3⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4588
        • C:\Windows\SysWOW64\find.exe
          find /i "svhost.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3396
        • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
          "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3812
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            PID:2500
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 180
          3⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2608
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /nh /fi "imagename eq svhost.exe"
          3⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:3180
        • C:\Windows\SysWOW64\find.exe
          find /i "svhost.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1188
        • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
          "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          PID:3128
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            PID:3744
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 180
          3⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2884
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist /nh /fi "imagename eq svhost.exe"
          3⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4112
        • C:\Windows\SysWOW64\find.exe
          find /i "svhost.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1932
        • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
          "C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          PID:3756
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            PID:620
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 180
          3⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1476
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:672
      • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
        C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1500
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          PID:3868
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:4656
      • C:\Windows\system32\wbem\WmiApSrv.exe
        C:\Windows\system32\wbem\WmiApSrv.exe
        1⤵
          PID:3136
        • C:\Windows\system32\wbem\WmiApSrv.exe
          C:\Windows\system32\wbem\WmiApSrv.exe
          1⤵
            PID:2384
          • C:\Windows\system32\wbem\WmiApSrv.exe
            C:\Windows\system32\wbem\WmiApSrv.exe
            1⤵
              PID:1280
            • C:\Windows\system32\wbem\WmiApSrv.exe
              C:\Windows\system32\wbem\WmiApSrv.exe
              1⤵
                PID:5072

              Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HiPatchService.exe.log

                Filesize

                1KB

                MD5

                7ebe314bf617dc3e48b995a6c352740c

                SHA1

                538f643b7b30f9231a3035c448607f767527a870

                SHA256

                48178f884b8a4dd96e330b210b0530667d9473a7629fc6b4ad12b614bf438ee8

                SHA512

                0ba9d8f4244c15285e254d27b4bff7c49344ff845c48bc0bf0d8563072fab4d6f7a6abe6b6742e8375a08e9a3b3e5d5dc4937ab428dbe2dd8e62892fda04507e

              • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegAsm.exe.log

                Filesize

                425B

                MD5

                4eaca4566b22b01cd3bc115b9b0b2196

                SHA1

                e743e0792c19f71740416e7b3c061d9f1336bf94

                SHA256

                34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

                SHA512

                bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

              • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.bat

                Filesize

                213B

                MD5

                0955cb4b691d44b37f8b6fad48a33b8e

                SHA1

                9dae759ae014cc124ab6eed7c8035788c124ae4a

                SHA256

                9092dbb1ca1767d1966b7f79349dd95a802a68248251bf070c0f1d74d5681d71

                SHA512

                08b868a028c1e8d29ed643416850df16f58d44668f9193b46bd3934965e5617a0a4015fc52815c5456023dbde01023450d295b76d936a936f26b602e764b0235

              • C:\Users\Admin\AppData\Roaming\HiPatch\HiPatchService.exe

                Filesize

                273KB

                MD5

                1719959c229e231c9dda305f35a8299e

                SHA1

                7db2e933a7a9ad0d437db0cb06753edd0dc1acbf

                SHA256

                4d8200d0cc0cc01ba3f10da43ecb20988fda5cd441e48fcb25f3b802bf64c222

                SHA512

                80d03dee86706a9c003e85fb0c2611f7e6bf5025d5a643dd71daf211615d8c8a8ebabfcddcfd67101391f6481172a2f0e7c55ba8dd2fa5f256efe7d10aa7f5b2

              • memory/208-15-0x000000007465E000-0x000000007465F000-memory.dmp

                Filesize

                4KB

              • memory/208-3-0x0000000004FA0000-0x0000000005032000-memory.dmp

                Filesize

                584KB

              • memory/208-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

                Filesize

                40KB

              • memory/208-1-0x0000000000620000-0x0000000000666000-memory.dmp

                Filesize

                280KB

              • memory/208-6-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/208-0-0x000000007465E000-0x000000007465F000-memory.dmp

                Filesize

                4KB

              • memory/208-16-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/208-22-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/208-4-0x0000000004F20000-0x0000000004F2A000-memory.dmp

                Filesize

                40KB

              • memory/208-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

                Filesize

                5.6MB

              • memory/620-20-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/620-29-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/1500-14-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/1500-26-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/1500-13-0x0000000074650000-0x0000000074E00000-memory.dmp

                Filesize

                7.7MB

              • memory/3868-24-0x0000000000400000-0x0000000000430000-memory.dmp

                Filesize

                192KB