Analysis

  • max time kernel
    146s
  • max time network
    147s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-09-2024 10:22

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
  • 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 1 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⤵
    • Suspicious use of WriteProcessMemory
    PID:3296
    • 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:5116
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4996
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\MISHA_litvin.exe"
        3⤵
        • Views/modifies file attributes
        PID:4468
      • 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:2092
      • 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:2228
      • 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:2288
      • 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:4252
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2948
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:4732
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:4688
          • 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:2264
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:2928
          • 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:5092
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:2828
        • C:\Users\Admin\RuntimeBroker.exe
          "C:\Users\Admin\RuntimeBroker.exe"
          2⤵
          • 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:2488
          • 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
            PID:4272
          • 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
            PID:4400
          • 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
            PID:1376
          • 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
            PID:1296
          • 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:1052
        • C:\Users\Admin\SynsWave.exe
          "C:\Users\Admin\SynsWave.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1396
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            3⤵
              PID:3760
        • C:\Users\Admin\AppData\Local\RuntimeBroker
          C:\Users\Admin\AppData\Local\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:860
        • C:\Users\Admin\AppData\Local\RuntimeBroker
          C:\Users\Admin\AppData\Local\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:1624
        • C:\Users\Admin\AppData\Local\RuntimeBroker
          C:\Users\Admin\AppData\Local\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:2900

        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

          2cbbb74b7da1f720b48ed31085cbd5b8

          SHA1

          79caa9a3ea8abe1b9c4326c3633da64a5f724964

          SHA256

          e31b18f21621d9983bfdf1ea3e53884a9d58b8ffd79e0e5790da6f3a81a8b9d3

          SHA512

          ecf02d5240e0c1c005d3ab393aa7eff62bd498c2db5905157e2bf6d29e1b663228a9583950842629d1a4caef404c8941a0c7799b1a3bd1eb890a09fdb7efcff9

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

          Filesize

          2KB

          MD5

          627073ee3ca9676911bee35548eff2b8

          SHA1

          4c4b68c65e2cab9864b51167d710aa29ebdcff2e

          SHA256

          85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

          SHA512

          3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

          Filesize

          944B

          MD5

          1a9fa92a4f2e2ec9e244d43a6a4f8fb9

          SHA1

          9910190edfaccece1dfcc1d92e357772f5dae8f7

          SHA256

          0ee052d5333fd5fd86bc84856fec98e045f077a7ac8051651bf7c521b9706888

          SHA512

          5d2361476fa22200e6f83883efe7dcb8c3fe7dae8d56e04e28a36e9ae1270c327b6aa161d92b239593da7661289d002c574446ecfd6bd19928209aae25e3ef64

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

          Filesize

          948B

          MD5

          6bddc96a32b9ed8fc70b141ccf4a39b2

          SHA1

          0f33c0699da40a5eadcec646791cf21cdb0dd7c6

          SHA256

          cb3853abe77eb0da8a1caccb49e97a573b6f35570722eb759116a645d724c132

          SHA512

          e41f1597b4129b759e4199db195df1c24e47cc47dc9850fab2d48e44bc3d37dc3658fbfbb62332a0b93c552587d7fab09de1634f605faa2209b8470c2a6eaca6

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

          Filesize

          1KB

          MD5

          0ac871344dc49ae49f13f0f88acb4868

          SHA1

          5a073862375c7e79255bb0eab32c635b57a77f98

          SHA256

          688f15b59a784f6f4c62554f00b5d0840d1489cef989c18126c70dfee0806d37

          SHA512

          ace5c50303bd27998607cf34ac4322bcf5edfbd19bbb24309acf4d037b6f3f7636c7c14b6ac0b924114e036252d3a1b998951c7068f41548728fa5d92f5f9006

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

          Filesize

          1KB

          MD5

          38ecc5b95c11e5a77558753102979c51

          SHA1

          c0759b08ef377df9979d8835d8a7e464cd8eaf6b

          SHA256

          2eb69abe0af5a2fb5bb313533cef641e25016876b874353f7d737c7ad672c79e

          SHA512

          9bf4ce3bc097bdd0242bd105c936a9c9403d5ac83ec99e6a310591a7b8d26309485f3e0cdc4cba67c322f834c325a2b63a008adb078f3a3307094c4b68a48686

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

          Filesize

          64B

          MD5

          c6aae9fb57ebd2ae201e8d174d820246

          SHA1

          58140d968de47bcf9c78938988a99369bbdb1f51

          SHA256

          bbc39a8da61fd8ec0d64e708e1ab4986f7fdf580581e464629bf040c595f7c08

          SHA512

          5959f7dab47bc4bad03635f497ca48f2e0740375528afddfc50964e54983e56df5970b25b8d8b28f1aa73cd6233fac83c634a311e759c58a365570e4862c3e3c

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

          Filesize

          944B

          MD5

          fcbfea2bed3d0d2533fe957f0f83e35c

          SHA1

          70ca46e89e31d8918c482848cd566090aaffd910

          SHA256

          e97f54e5237ffeca4c9a6454f73690b98ac33e03c201f9f7e465394ecbc3ea38

          SHA512

          d382453207d961f63624ba4c5a0dea874e6b942f5cad731c262a44371fb25b309eacf608156e0234169e52337796128312e72edb0290c48f56104fe5e52509a6

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

          Filesize

          944B

          MD5

          34c8b93dd58a4703db0d6dd86bb21d70

          SHA1

          b53aa49b882070b857951b6638d6da3a03ac2f56

          SHA256

          34b95e4d12196f68f7a030b98190fda89c34b696251ab9ed831e48d983896898

          SHA512

          bba4a86b8a66104ed21fd58717168cdf68b93c801a94ec65e25c2b66c1b9354b9e7c1c01cadde451948e072d96c3fa4994c94ef33aeff9b603e7b5d82f7111e7

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

          Filesize

          944B

          MD5

          d8cc4289148ef137fa1e614ce2a75f79

          SHA1

          163f0371f40708eedf906dc74efea6d224c089bb

          SHA256

          5b15923a8d907f207a210e9d39ea2533a06b14b05a96d29c1bf6275410a5670e

          SHA512

          e522d5c8a82b4bfd4180963ff530256d82c48bc34ce515e8e3a3c677d4a9791da22766b17eb8fee37959c0c43ff261d61a3f51f9228c1112a1c915d90aff996d

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0aux1udb.22f.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/2092-82-0x0000022E759E0000-0x0000022E75A02000-memory.dmp

          Filesize

          136KB

        • memory/2488-204-0x00007FF84F3D0000-0x00007FF84FE92000-memory.dmp

          Filesize

          10.8MB

        • memory/2488-81-0x00007FF84F3D0000-0x00007FF84FE92000-memory.dmp

          Filesize

          10.8MB

        • memory/2488-78-0x0000000000730000-0x000000000074A000-memory.dmp

          Filesize

          104KB

        • memory/3296-0-0x00007FF84F3D3000-0x00007FF84F3D5000-memory.dmp

          Filesize

          8KB

        • memory/3296-1-0x0000000000450000-0x00000000004AC000-memory.dmp

          Filesize

          368KB

        • memory/5116-79-0x00007FF84F3D0000-0x00007FF84FE92000-memory.dmp

          Filesize

          10.8MB

        • memory/5116-143-0x000001E4EA4A0000-0x000001E4EA4B2000-memory.dmp

          Filesize

          72KB

        • memory/5116-142-0x000001E4D1AD0000-0x000001E4D1ADA000-memory.dmp

          Filesize

          40KB

        • memory/5116-108-0x000001E4EA480000-0x000001E4EA49E000-memory.dmp

          Filesize

          120KB

        • memory/5116-189-0x00007FF84F3D0000-0x00007FF84FE92000-memory.dmp

          Filesize

          10.8MB

        • memory/5116-107-0x000001E4D1AE0000-0x000001E4D1B30000-memory.dmp

          Filesize

          320KB

        • memory/5116-106-0x000001E4EA5F0000-0x000001E4EA666000-memory.dmp

          Filesize

          472KB

        • memory/5116-69-0x000001E4CFDB0000-0x000001E4CFDF0000-memory.dmp

          Filesize

          256KB