Analysis

  • max time kernel
    299s
  • max time network
    296s
  • 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 10:30

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

    Using powershell.exe command.

  • 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 8 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4132
    • 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:4076
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" csproduct get uuid
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4336
      • C:\Windows\SYSTEM32\attrib.exe
        "attrib.exe" +h +s "C:\Users\Admin\AppData\Roaming\MISHA_litvin.exe"
        3⤵
        • Views/modifies file attributes
        PID:5092
      • 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:3032
      • 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:4236
      • 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:1828
      • 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:964
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" os get Caption
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1684
      • C:\Windows\System32\Wbem\wmic.exe
        "wmic.exe" computersystem get totalphysicalmemory
        3⤵
          PID:3200
        • C:\Windows\System32\Wbem\wmic.exe
          "wmic.exe" csproduct get uuid
          3⤵
            PID:1044
          • 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:4520
          • C:\Windows\System32\Wbem\wmic.exe
            "wmic" path win32_VideoController get name
            3⤵
            • Detects videocard installed
            PID:4024
          • 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:3368
            • C:\Windows\system32\PING.EXE
              ping localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:1992
        • C:\Users\Admin\AppData\Roaming\RuntimeBroker.exe
          "C:\Users\Admin\AppData\Roaming\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:4648
          • 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
            • Suspicious use of AdjustPrivilegeToken
            PID:2668
          • 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:4908
          • 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:1192
          • 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:3564
          • 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:1340
        • C:\Users\Admin\AppData\Roaming\SynsWave.exe
          "C:\Users\Admin\AppData\Roaming\SynsWave.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1208
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c cls
            3⤵
              PID:3512
        • C:\Users\Admin\RuntimeBroker
          C:\Users\Admin\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:4708
        • C:\Users\Admin\RuntimeBroker
          C:\Users\Admin\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:4088
        • C:\Users\Admin\RuntimeBroker
          C:\Users\Admin\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:1452
        • C:\Users\Admin\RuntimeBroker
          C:\Users\Admin\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:2736
        • C:\Users\Admin\RuntimeBroker
          C:\Users\Admin\RuntimeBroker
          1⤵
          • Executes dropped EXE
          PID:1016

        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

          1KB

          MD5

          88be3bc8a7f90e3953298c0fdbec4d72

          SHA1

          f4969784ad421cc80ef45608727aacd0f6bf2e4b

          SHA256

          533c8470b41084e40c5660569ebbdb7496520d449629a235e8053e84025f348a

          SHA512

          4fce64e2dacddbc03314048fef1ce356ee2647c14733da121c23c65507eeb8d721d6b690ad5463319b364dc4fa95904ad6ab096907f32918e3406ef438a6ef7c

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

          Filesize

          1KB

          MD5

          79f6952813009f51247491052ca9ebbb

          SHA1

          78210dbe806bcde87a5f00201c9068bc1737a9ca

          SHA256

          bee2da5d5a697d09df4aa2b1c374a083a49b4f319c11da53c43ce9520b72a5dd

          SHA512

          cd019d3dc84665413a23cb2f4ed8fbe6bd6673928144d7af31e70d46dc24ce876bd5ffb11cb65fd5532f8f00bd793dd883200069b06dc93becf5d1db0399c22b

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

          Filesize

          944B

          MD5

          e2611aa6e54c26c4f0165233c8cfe2ec

          SHA1

          cdfd2782a1486f6dccc7807e5e096f53f792420b

          SHA256

          e81eb8aff15e19f65c067a55fe3368894190c814dfe5750c067d2c2ccf0a827e

          SHA512

          36d671fd99b83e6f21298c52310c6386fc2fd27d9c17307cbeb3f8eadbed8154e7b41207e720e563ec231c947d1e911fa995fd0b4f0300139d9c0ec878f59acd

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

          Filesize

          944B

          MD5

          bbc2b43d5e574fe7d193c6fc0eb7302c

          SHA1

          f22683b94ad593fd0513fef37df1fb5d0880cc22

          SHA256

          0efa2469ae0b02af024fd0e2828ccab085eaefef3736b3bda0ba631e3a45aa48

          SHA512

          287449b168297a5176b26777f2f5ca3284d967b93274db8b3029d130049073560a10e418607f670d08194193aa91fc9cd174717e7c1d051b09c23857fe3ab9d2

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

          Filesize

          944B

          MD5

          22310ad6749d8cc38284aa616efcd100

          SHA1

          440ef4a0a53bfa7c83fe84326a1dff4326dcb515

          SHA256

          55b1d8021c4eb4c3c0d75e3ed7a4eb30cd0123e3d69f32eeb596fe4ffec05abf

          SHA512

          2ef08e2ee15bb86695fe0c10533014ffed76ececc6e579d299d3365fafb7627f53e32e600bb6d872b9f58aca94f8cb7e1e94cdfd14777527f7f0aa019d9c6def

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

          Filesize

          64B

          MD5

          d1a79640b4fbfefe2173b565a2aed3af

          SHA1

          faba0a328aaa9578c787bcf082fb992fe399d2f9

          SHA256

          a4fb105e4bc4a88f5602481a094b7eac39bb5ed58358630a3ffee0c550ea9afe

          SHA512

          dce1d0e09d0edc99b4ae8abdfe52ec1901fd4a6071e437afb7d230644b6ecf6ce197f3c87ab09543bae7be175c0d0e909d5dccfd5118b2e2060cd3bee7e64575

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

          Filesize

          944B

          MD5

          cadef9abd087803c630df65264a6c81c

          SHA1

          babbf3636c347c8727c35f3eef2ee643dbcc4bd2

          SHA256

          cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

          SHA512

          7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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

          Filesize

          948B

          MD5

          74a6b79d36b4aae8b027a218bc6e1af7

          SHA1

          0350e46c1df6934903c4820a00b0bc4721779e5f

          SHA256

          60c64f6803d7ad1408d0a8628100470859b16ef332d5f1bd8bb2debe51251d04

          SHA512

          60e71435a9a23f4c144d641844f4182ddc9aa4ccd3e99232149a187112dce96458aab9587e9fea46f5dc5a52f5ca758969a04657a2b5b10241d3e4554f7c85e0

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_stbht4pa.ipp.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/964-103-0x000001C76E380000-0x000001C76E3C8000-memory.dmp

          Filesize

          288KB

        • memory/1828-91-0x000001DBF1DB0000-0x000001DBF1DF8000-memory.dmp

          Filesize

          288KB

        • memory/3032-49-0x000001AF7DC80000-0x000001AF7DCC8000-memory.dmp

          Filesize

          288KB

        • memory/3032-37-0x000001AF65640000-0x000001AF65662000-memory.dmp

          Filesize

          136KB

        • memory/4076-66-0x000001B3A9FB0000-0x000001B3AA000000-memory.dmp

          Filesize

          320KB

        • memory/4076-21-0x000001B38FAE0000-0x000001B38FB20000-memory.dmp

          Filesize

          256KB

        • memory/4076-169-0x00007FF9B78D0000-0x00007FF9B8391000-memory.dmp

          Filesize

          10.8MB

        • memory/4076-65-0x000001B3AA270000-0x000001B3AA2E6000-memory.dmp

          Filesize

          472KB

        • memory/4076-111-0x000001B3AA310000-0x000001B3AA322000-memory.dmp

          Filesize

          72KB

        • memory/4076-110-0x000001B3AA010000-0x000001B3AA01A000-memory.dmp

          Filesize

          40KB

        • memory/4076-67-0x000001B3A9F80000-0x000001B3A9F9E000-memory.dmp

          Filesize

          120KB

        • memory/4076-34-0x00007FF9B78D0000-0x00007FF9B8391000-memory.dmp

          Filesize

          10.8MB

        • memory/4132-0-0x00007FF9B78D3000-0x00007FF9B78D5000-memory.dmp

          Filesize

          8KB

        • memory/4132-1-0x0000000000B20000-0x0000000000B80000-memory.dmp

          Filesize

          384KB

        • memory/4236-62-0x0000026C3F3C0000-0x0000026C3F408000-memory.dmp

          Filesize

          288KB

        • memory/4648-35-0x00007FF9B78D0000-0x00007FF9B8391000-memory.dmp

          Filesize

          10.8MB

        • memory/4648-33-0x0000000000C70000-0x0000000000C8E000-memory.dmp

          Filesize

          120KB

        • memory/4648-172-0x000000001B7C0000-0x000000001B7F0000-memory.dmp

          Filesize

          192KB

        • memory/4648-173-0x00007FF9B78D0000-0x00007FF9B8391000-memory.dmp

          Filesize

          10.8MB