Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2024, 16:08

General

  • Target

    WaveInstaller.exe

  • Size

    55.9MB

  • MD5

    521646f158f26a3790605f3c3ff47a5e

  • SHA1

    a0fc21bf69705c2d8934e71841d5e803048b23b9

  • SHA256

    a0fe8a8ecab5d9d7df5a364a95352e1d861c8ca851c4339b65aa4841b3619617

  • SHA512

    c47839fe320cec955ea5abd331a47ec5bb39ed02e61c72b295272f01be57fdb0a361f124e2fe1b0f4f7326ed71542e5a42ada87b635a70e89ac2523ab50cb856

  • SSDEEP

    393216:hxIdZflFnaY4nRSn3pPPa7uksiL2YS2xg5gC33QSau/puRDHbUXyZ8s:gdZflFnaTEKuu25e4daEgpbUXyms

Malware Config

Signatures

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • GoLang User-Agent 3 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 24 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.

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2820
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2404
    • C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
      "C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe"
      1⤵
      • Maps connected drives based on registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path win32_VideoController get name
        2⤵
        • Detects videocard installed
        • Suspicious use of AdjustPrivilegeToken
        PID:5048
      • C:\Windows\system32\tasklist.exe
        tasklist
        2⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:1212
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath \"C:\ProgramData\";" powershell -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath \"C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe\""
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1532
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\WaveInstaller.exe
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:840
      • C:\Windows\System32\Wbem\wmic.exe
        wmic csproduct get uuid
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:672
      • C:\ProgramData\driver1.exe
        C:\ProgramData\driver1.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2296
        • C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
          C:\Windows\BitLockerDiscoveryVolumeContents\BitLockerToGo.exe
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4616
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 452
            4⤵
            • Program crash
            PID:1308
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 476
            4⤵
            • Program crash
            PID:1548
      • C:\Windows\system32\schtasks.exe
        schtasks /create /tn WinDriver /tr C:\ProgramData\Microsoft\WinDriver.exe /sc onstart /ru SYSTEM
        2⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2116
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4616 -ip 4616
      1⤵
        PID:452
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4616 -ip 4616
        1⤵
          PID:1432

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\driver1.exe

          Filesize

          7.3MB

          MD5

          69c08e5d078bd287b3cb43b7c35bc831

          SHA1

          307b8de9da4d24d474e44beaf4f32c15b258b0f6

          SHA256

          ce3b888419f9e46029d630e56e15e64eb28b9f92652a1acf477a87a5aebe3f48

          SHA512

          1bf71b7fc5e991dda21f6ed1c62895d5ba161b01677cba0901568df0a4bf3d6419cc3c04e83007566ee21de2cd66230af37de40b5ff61701ac4ad820a7b73152

        • 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

          119B

          MD5

          052411e7391aa5b946a2e4704acac937

          SHA1

          076644cf01f4f88ad27b2aa3255159ccf1bdc1b6

          SHA256

          c95e085f42475222cc2b9f826603fefdc1a07c7dd09fc6b34b9b653bd9e941c2

          SHA512

          5d7660f8226f3b73263125270b6a1188cad3301e8f2fa0355af9472cc71afe4dcd00fd8eff4057ff50a4fdb2d0064928123ff74043d12d761b546c2749d9e9a0

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ojxlu134.asq.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1532-2-0x0000024AEEC50000-0x0000024AEEC72000-memory.dmp

          Filesize

          136KB

        • memory/2296-39-0x00007FF65FBD0000-0x00007FF660382000-memory.dmp

          Filesize

          7.7MB

        • memory/2296-41-0x00007FF65FBD0000-0x00007FF660382000-memory.dmp

          Filesize

          7.7MB

        • memory/2404-48-0x0000000000EE0000-0x0000000000EE9000-memory.dmp

          Filesize

          36KB

        • memory/2404-53-0x0000000076E70000-0x0000000077085000-memory.dmp

          Filesize

          2.1MB

        • memory/2404-51-0x00007FFAA3230000-0x00007FFAA3425000-memory.dmp

          Filesize

          2.0MB

        • memory/2404-50-0x0000000002A60000-0x0000000002E60000-memory.dmp

          Filesize

          4.0MB

        • memory/4616-42-0x0000000000B40000-0x0000000000BBE000-memory.dmp

          Filesize

          504KB

        • memory/4616-47-0x0000000076E70000-0x0000000077085000-memory.dmp

          Filesize

          2.1MB

        • memory/4616-45-0x00007FFAA3230000-0x00007FFAA3425000-memory.dmp

          Filesize

          2.0MB

        • memory/4616-44-0x0000000003D20000-0x0000000004120000-memory.dmp

          Filesize

          4.0MB

        • memory/4616-43-0x0000000003D20000-0x0000000004120000-memory.dmp

          Filesize

          4.0MB

        • memory/4616-40-0x0000000000B40000-0x0000000000BBE000-memory.dmp

          Filesize

          504KB