Analysis

  • max time kernel
    147s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 12:05

General

  • Target

    SynsWaveV1.exe

  • Size

    344KB

  • MD5

    252e28b7d06ae4b2bf8c56f10d06a3e7

  • SHA1

    627792fbbbb83492c3f0165122d85d421c884f48

  • SHA256

    5c5029b744142f662953c4afdbc4ed7b4eb686e42d823acbb86d80c88010b948

  • SHA512

    027461b60e2145fb8b2919a9335ee87ecead596e223c7abe9b6ab5d6293ec239f9cbd33f6af895b54c300b8744fa3bbb780d840a0997dac4160d497f9ecd3d24

  • SSDEEP

    6144:zMvzH7izNanQwxxqCbnjZfPxxKpJ6uMtk1L3vTrolPTyKaUxPVUWsP9OxX26sqh:zMrH7ipqbqCLFf7KpJ6uMmB3vYLyEPVV

Malware Config

Extracted

Family

xworm

C2

expected-schema.gl.at.ply.gg:2980

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

Signatures

  • Detect Umbral payload 2 IoCs
  • Detect Xworm Payload 2 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Xworm

    Xworm is a remote access trojan written in C#.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 8 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Runs ping.exe 1 TTPs 1 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SynsWaveV1.exe
    "C:\Users\Admin\AppData\Local\Temp\SynsWaveV1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Users\Admin\MISHA_litvin.exe
      "C:\Users\Admin\MISHA_litvin.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3984
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4724
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\MISHA_litvin.exe"
        3⤵
        • Views/modifies file attributes
        PID:2580
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\MISHA_litvin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4964
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4564
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKCU:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4948
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Get-ItemPropertyValue -Path HKLN:SOFTWARE\Roblox\RobloxStudioBrowser\roblox.com -Name .ROBLOSECURITY
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2760
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3960
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:2728
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:4204
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "powershell.exe" Get-ItemPropertyValue -Path 'HKLM:System\CurrentControlSet\Control\Session Manager\Environment' -Name PROCESSOR_IDENTIFIER
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:4352
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:764
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\MISHA_litvin.exe" && pause
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:4928
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1556
        • C:\Users\Admin\RuntimeBroker.exe
          "C:\Users\Admin\RuntimeBroker.exe"
          2⤵
          • Checks computer location settings
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:5076
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\RuntimeBroker.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4992
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RuntimeBroker.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:964
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\RuntimeBroker'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4324
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'RuntimeBroker'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4776
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RuntimeBroker" /tr "C:\Users\Admin\AppData\Local\RuntimeBroker"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:5060
        • C:\Users\Admin\SynsWave.exe
          "C:\Users\Admin\SynsWave.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:516
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            3⤵
              PID:1112
        • C:\Users\Admin\AppData\Local\RuntimeBroker
          C:\Users\Admin\AppData\Local\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:3368
        • C:\Users\Admin\AppData\Local\RuntimeBroker
          C:\Users\Admin\AppData\Local\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:5020
        • C:\Users\Admin\AppData\Local\RuntimeBroker
          C:\Users\Admin\AppData\Local\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:764

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\RuntimeBroker.log

          Filesize

          654B

          MD5

          2ff39f6c7249774be85fd60a8f9a245e

          SHA1

          684ff36b31aedc1e587c8496c02722c6698c1c4e

          SHA256

          e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

          SHA512

          1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

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

          Filesize

          2KB

          MD5

          d85ba6ff808d9e5444a4b369f5bc2730

          SHA1

          31aa9d96590fff6981b315e0b391b575e4c0804a

          SHA256

          84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

          SHA512

          8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          d28a889fd956d5cb3accfbaf1143eb6f

          SHA1

          157ba54b365341f8ff06707d996b3635da8446f7

          SHA256

          21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

          SHA512

          0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          948B

          MD5

          985b3105d8889886d6fd953575c54e08

          SHA1

          0f9a041240a344d82bac0a180520e7982c15f3cd

          SHA256

          5178fdd457eb3eb25c8f72ed4c22c582a83de0d324db66d0446d660f226e944d

          SHA512

          0fd59bc4886b70aa3b7eeeaa23229b7fdc93410ca7f8452860e4a1bbda2559eaa5e4b05c3ec2d85f7d648daf3c16741f4c2c18f2dd3bae4cc4a4e57ae4f665b0

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          276798eeb29a49dc6e199768bc9c2e71

          SHA1

          5fdc8ccb897ac2df7476fbb07517aca5b7a6205b

          SHA256

          cd0a1056e8f1b6cb5cb328532239d802f4e2aa8f8fcdc0fcb487684bd68e0dcc

          SHA512

          0d34fce64bbefc57d64fa6e03ca886952263d5f24df9c1c4cce6a1e8f5a47a9a21e9820f8d38caa7f7b43a52336ce00b738ea18419aaa7c788b72e04ce19e4f2

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          1KB

          MD5

          dbddc3e6d12d5bee8ae9673ee603b0a8

          SHA1

          6fc40df5d6b1650a3b93173743dfc7517da03bff

          SHA256

          cab78482224faed9d51db4f45716a3db4147367b30b46f6c2c24252d8a862a2f

          SHA512

          1a5961062fe698c13f740cb5a8cfa8ed7f62f03da5f46e11e4a1b7096c2a268a155d68ac71f55f6ae42dda9a22b00f7fb07a8a46e4260d750991fa67089078a4

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          b9832672ade72757e699a78eb1b439b7

          SHA1

          47051a57a7904c5ce66a8258f58785a35eacc0ec

          SHA256

          17a7958914f54acba9baa92a11779c891bfea0620b8f04967ffee0d1a20c3179

          SHA512

          7af9f869573e0a3f54476bbf4beb5b81c3e225cd09f5d3140f45024827c8f1e8be3c41d7df6205a2a0718161ca15dcb85e8935b8be003b117ebd14e5c3a953ca

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          ab24765a7393bd3cef8acbf0a617fba2

          SHA1

          ef2c12a457a11f6204344afed09a39f4d3e803cb

          SHA256

          3a03c7efabe880ae9f283b1cf373d3f09d07ab619028319b3599b643ae140d47

          SHA512

          e16306674a8c89f54467d7fba3857e1e0bdf3729f5de9f4451520cfbddfa535c4d653dde6efcac38efd693e9b3e4965fcd08c559e720c372feca65050b46e355

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          51cf8df21f531e31f7740b4ec487a48a

          SHA1

          40c6a73b22d71625a62df109aefc92a5f9b9d13e

          SHA256

          263d9b98a897d1d66da4832af640c4bf5ab0ae91125ba12243453dfe714f3d0d

          SHA512

          57a85461f6ea96b26a8b53d3a9cca18543e4ddbe996e8f412fc4cf7cf6e9ffe558c96da7b322a42f18bef62020e65aee119bed6102f75e2f605df09b02ec6368

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

          Filesize

          944B

          MD5

          67e8893616f805af2411e2f4a1411b2a

          SHA1

          39bf1e1a0ddf46ce7c136972120f512d92827dcd

          SHA256

          ca0dfe104c1bf27f7e01999fcdabc16c6400c3da937c832c26bdbca322381d31

          SHA512

          164e911a9935e75c8be1a6ec3d31199a16ba2a1064da6c09d771b2a38dd7fddd142301ef55d67d90f306d3a454a1ce7b72e129ea42e44500b9b8c623a8d98b4d

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_boxcgfb4.ksz.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\MISHA_litvin.exe

          Filesize

          229KB

          MD5

          8bb8292d00e8218192562b888b4d7671

          SHA1

          61a03523336bd54964fbb62338027673d0a138cb

          SHA256

          a9f8c9cf4ceadfa6bc56ab230c8dfe8a7018e1123ba01039a4059b1814b757a0

          SHA512

          c19a19dd6b49cc237e751db9d58db56e745f7d00c8d81397928fddef8902b9abec4b9331573be9478d33554c6b77b4f52a055bf2251300736035b5eec24faa1e

        • C:\Users\Admin\RuntimeBroker.exe

          Filesize

          80KB

          MD5

          3f818db06e08ab696d499db881ab0fc7

          SHA1

          795e0507484d696cd309ce4db43425ab5cdf10b1

          SHA256

          ebc2b830428b5ee088d63cc2814113c3ce8685b9db026732ec3d7989592db027

          SHA512

          6c8cd0482dcbf3293dd18c8f4effe132f3d133da51c0d53bc791f63df947108d3abf59b5b6ffee2a2f4abbeabf6c3fbddd2339cbcd4fccf6b29515a6a47cc593

        • C:\Users\Admin\SynsWave.exe

          Filesize

          25KB

          MD5

          12e7359129744823438f3d6b97192955

          SHA1

          89872a5a18abefe25d10efa824281718cf85ae39

          SHA256

          348086f9bd5939a48efcc94702271c1caf92ea11f3b0385367daf9530b51cf3e

          SHA512

          b38516752817d3ac6541d300cc17176c5bf1c38d321fd19c006cb1f5cf9d5ab7a228184ed267636841225e718f71d9cd8aed5e53e36c7ee3548ed6958b9e8563

        • memory/3472-0-0x00007FFDF7A33000-0x00007FFDF7A35000-memory.dmp

          Filesize

          8KB

        • memory/3472-1-0x0000000000600000-0x000000000065C000-memory.dmp

          Filesize

          368KB

        • memory/3984-79-0x00007FFDF7A30000-0x00007FFDF84F1000-memory.dmp

          Filesize

          10.8MB

        • memory/3984-110-0x0000025CF3CC0000-0x0000025CF3CDE000-memory.dmp

          Filesize

          120KB

        • memory/3984-147-0x0000025CF3EE0000-0x0000025CF3EF2000-memory.dmp

          Filesize

          72KB

        • memory/3984-146-0x0000025CF3C90000-0x0000025CF3C9A000-memory.dmp

          Filesize

          40KB

        • memory/3984-109-0x0000025CF3D70000-0x0000025CF3DC0000-memory.dmp

          Filesize

          320KB

        • memory/3984-108-0x0000025CF3CF0000-0x0000025CF3D66000-memory.dmp

          Filesize

          472KB

        • memory/3984-197-0x00007FFDF7A30000-0x00007FFDF84F1000-memory.dmp

          Filesize

          10.8MB

        • memory/3984-214-0x00007FFDF7A30000-0x00007FFDF84F1000-memory.dmp

          Filesize

          10.8MB

        • memory/3984-60-0x0000025CF15C0000-0x0000025CF1600000-memory.dmp

          Filesize

          256KB

        • memory/4964-87-0x000001A3600E0000-0x000001A360102000-memory.dmp

          Filesize

          136KB

        • memory/5076-81-0x00007FFDF7A30000-0x00007FFDF84F1000-memory.dmp

          Filesize

          10.8MB

        • memory/5076-198-0x00007FFDF7A30000-0x00007FFDF84F1000-memory.dmp

          Filesize

          10.8MB

        • memory/5076-78-0x0000000000E20000-0x0000000000E3A000-memory.dmp

          Filesize

          104KB