Analysis

  • max time kernel
    147s
  • max time network
    142s
  • 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 10:27

General

  • Target

    SynsWaveV1.exe

  • Size

    358KB

  • MD5

    fe2e1aa24f67aef8cca2a83269e49eb8

  • SHA1

    22eff1e84d25f5daf052a046c4c6a66c37f63cc4

  • SHA256

    712a0d5ea39f3325f80d76423fa07d8796bf0b75d35d69e8b32714d8836dfd50

  • SHA512

    97a7dc677ee2c8ca61729b2ec0532a2d59fb705d413c76f2f5b197053d15cd462a560038e49a75c4b76b3c9255a48690a97dfd7d89d81692c37a7547c6bad837

  • SSDEEP

    6144:o5aLkSNxlSl2ZvRbTs6iG0GkBnTYQSeMMHg/dRS4Y83PUf0KrZUNsC:AfG+2ZRQ7GdynTYQSMAV44YGPNKraS

Malware Config

Extracted

Family

xworm

C2

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

Attributes
  • Install_directory

    %Userprofile%

  • 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 5 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⤵
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Users\Admin\AppData\Roaming\MISHA_litvin.exe
      "C:\Users\Admin\AppData\Roaming\MISHA_litvin.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:224
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4756
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Roaming\MISHA_litvin.exe"
        3⤵
        • Views/modifies file attributes
        PID:4092
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\MISHA_litvin.exe'
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2960
      • 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:4180
      • 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:2408
      • 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:884
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1948
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:3124
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:2432
          • 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:1552
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:1800
          • C:\Windows\SYSTEM32\cmd.exe
            "cmd.exe" /c ping localhost && del /F /A h "C:\Users\Admin\AppData\Roaming\MISHA_litvin.exe" && pause
            3⤵
            • System Network Configuration Discovery: Internet Connection Discovery
            • Suspicious use of WriteProcessMemory
            PID:4908
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:4920
        • C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
          "C:\Users\Admin\AppData\Roaming\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:1968
          • 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\Roaming\RuntimeBroker.exe'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:2884
          • 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:1148
          • 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'
            3⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            PID:1788
          • 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:4992
          • C:\Windows\System32\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "RuntimeBroker" /tr "C:\Users\Admin\RuntimeBroker"
            3⤵
            • Scheduled Task/Job: Scheduled Task
            PID:1980
        • C:\Users\Admin\AppData\Roaming\SynsWave.exe
          "C:\Users\Admin\AppData\Roaming\SynsWave.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4936
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            3⤵
              PID:3376
        • C:\Users\Admin\RuntimeBroker
          C:\Users\Admin\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:460
        • C:\Windows\system32\svchost.exe
          C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
          1⤵
            PID:3604
          • C:\Users\Admin\RuntimeBroker
            C:\Users\Admin\RuntimeBroker
            1⤵
            • Executes dropped EXE
            PID:1096

          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

            1KB

            MD5

            60a84ea8f3888e51bb0fe4856926a639

            SHA1

            43848b5a831f8fe7623694b36b17554b83770269

            SHA256

            5d219511d1091f4dc52ef6664815bcacf013c76b695bf2195aa439a6cc431504

            SHA512

            f6381deedc9612c96914173d948bd601192256c1b65a6b6be3c6664de84df64fb8740fa0205846e0380305bf5442e52991d134ff94b8edc899775befcc4a86ba

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

            Filesize

            944B

            MD5

            09176a655957640632159aa368a79d2d

            SHA1

            2c99043a923e5aa20efd4040e1dd51070254ce1e

            SHA256

            b6b3b52d0c309e63eedc577c0f500de2aa47a9ed53045e8ccc1953a6e1925f58

            SHA512

            7c6407925955b5dd99c8c7437f243e0b73204a8501b7e8abafa3394c242057f6695055145c84e4fdad269c65bc2a538739560b39e7c5899ed8a3bfd65aab5d37

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

            Filesize

            64B

            MD5

            3d75098c0d683ab68bcad88feffc8407

            SHA1

            8ed6555a018df6970328138891555c55acc02f51

            SHA256

            dee25e8f5a0d340384eb982c3bfdf950d3ac5d1d56de89678a2acf456f7ac513

            SHA512

            448f050c76d7dbe77eda77b7ff9ce4bafc93215c648ec83c904af98fa5005e82fe10651a352d4cf074674ae6de3b2426d888b75cbf833768d3c379e5ad725391

          • 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

            05b3cd21c1ec02f04caba773186ee8d0

            SHA1

            39e790bfe10abf55b74dfb3603df8fcf6b5e6edb

            SHA256

            911efc5cf9cbeb697543eb3242f5297e1be46dd6603a390140a9ff031ed9e1e8

            SHA512

            e751008b032394817beb46937fd93a73be97254c2be94dd42f22fb1306d2715c653ece16fa96eab1a3e73811936768cea6b37888437086fc6f3e3e793a2515eb

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

            Filesize

            948B

            MD5

            a0e27123ec2730bd5d89828fd6a41cc2

            SHA1

            d1099e93025598a470d6cc9c0549595e8f8e9a7f

            SHA256

            fda70f35a9cbde9e93461cd72d0c668f964d8b07e5c43322e47ed602ceb177a9

            SHA512

            b73fba4357362fa2057fe5216490da71958e1edb6fd08fe7cd99d214a8a1a5381ff304584c7969cedfb790170ecd65cbe96e006c5d2e41ceff587138ba244d31

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

            Filesize

            1KB

            MD5

            7332074ae2b01262736b6fbd9e100dac

            SHA1

            22f992165065107cc9417fa4117240d84414a13c

            SHA256

            baea84fda6c1f13090b8cbd91c920848946f10ce155ef31a1df4cd453ee7e4aa

            SHA512

            4ae6f0e012c31ac1fc2ff4a8877ce2b4667c45b6e651de798318a39a2b6fd39a6f72dffa8b0b89b7a045a27d724d195656faa25a9fec79b22f37ddebb5d22da2

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xqjg2iov.qmj.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

            Filesize

            229KB

            MD5

            8bb8292d00e8218192562b888b4d7671

            SHA1

            61a03523336bd54964fbb62338027673d0a138cb

            SHA256

            a9f8c9cf4ceadfa6bc56ab230c8dfe8a7018e1123ba01039a4059b1814b757a0

            SHA512

            c19a19dd6b49cc237e751db9d58db56e745f7d00c8d81397928fddef8902b9abec4b9331573be9478d33554c6b77b4f52a055bf2251300736035b5eec24faa1e

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

            Filesize

            94KB

            MD5

            5e6bae23e86272120e9ccfa3413ece3e

            SHA1

            7cf89daa0119650ec13ef056c143249c4002a4f1

            SHA256

            116b46762acbc220ec42b00329392668bf3e24cc00a650f68013465c319cbf4d

            SHA512

            7a607b3e850f930794bc493aa68d0ecf236a23e98ee912e279b1649bd0e2110e01cefcc5259744c06e1b4a8cccaececdde6c2f18ef8d252414cb461bdd9d3f0d

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

            Filesize

            25KB

            MD5

            12e7359129744823438f3d6b97192955

            SHA1

            89872a5a18abefe25d10efa824281718cf85ae39

            SHA256

            348086f9bd5939a48efcc94702271c1caf92ea11f3b0385367daf9530b51cf3e

            SHA512

            b38516752817d3ac6541d300cc17176c5bf1c38d321fd19c006cb1f5cf9d5ab7a228184ed267636841225e718f71d9cd8aed5e53e36c7ee3548ed6958b9e8563

          • memory/224-21-0x000002A45C150000-0x000002A45C190000-memory.dmp

            Filesize

            256KB

          • memory/224-62-0x000002A476A20000-0x000002A476A70000-memory.dmp

            Filesize

            320KB

          • memory/224-63-0x000002A45DFC0000-0x000002A45DFDE000-memory.dmp

            Filesize

            120KB

          • memory/224-155-0x00007FF823CB0000-0x00007FF824772000-memory.dmp

            Filesize

            10.8MB

          • memory/224-97-0x000002A45DF80000-0x000002A45DF8A000-memory.dmp

            Filesize

            40KB

          • memory/224-98-0x000002A45DFE0000-0x000002A45DFF2000-memory.dmp

            Filesize

            72KB

          • memory/224-35-0x00007FF823CB0000-0x00007FF824772000-memory.dmp

            Filesize

            10.8MB

          • memory/224-61-0x000002A476950000-0x000002A4769C6000-memory.dmp

            Filesize

            472KB

          • memory/760-1-0x0000000000C00000-0x0000000000C60000-memory.dmp

            Filesize

            384KB

          • memory/760-0-0x00007FF823CB3000-0x00007FF823CB5000-memory.dmp

            Filesize

            8KB

          • memory/1968-30-0x00000000009D0000-0x00000000009EE000-memory.dmp

            Filesize

            120KB

          • memory/1968-36-0x00007FF823CB0000-0x00007FF824772000-memory.dmp

            Filesize

            10.8MB

          • memory/1968-159-0x00007FF823CB0000-0x00007FF824772000-memory.dmp

            Filesize

            10.8MB

          • memory/2960-42-0x000001C6EF8D0000-0x000001C6EF8F2000-memory.dmp

            Filesize

            136KB