Analysis

  • max time kernel
    27s
  • max time network
    19s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-08-2024 18:14

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 and hide display window.

  • 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:3012
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1840
    • 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:1528
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path win32_VideoController get name
        2⤵
        • Detects videocard installed
        • Suspicious use of AdjustPrivilegeToken
        PID:4416
      • C:\Windows\system32\tasklist.exe
        tasklist
        2⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:3544
      • 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:3024
        • 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:1916
      • C:\Windows\System32\Wbem\wmic.exe
        wmic csproduct get uuid
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3132
      • C:\ProgramData\driver1.exe
        C:\ProgramData\driver1.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:892
        • 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:2620
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 472
            4⤵
            • Program crash
            PID:5032
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 468
            4⤵
            • Program crash
            PID:3276
      • 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:4560
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2620 -ip 2620
      1⤵
        PID:5028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2620 -ip 2620
        1⤵
          PID:3000
        • C:\Windows\System32\rundll32.exe
          C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
          1⤵
            PID:3892

          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

            627073ee3ca9676911bee35548eff2b8

            SHA1

            4c4b68c65e2cab9864b51167d710aa29ebdcff2e

            SHA256

            85b280a39fc31ba1e15fb06102a05b8405ff3b82feb181d4170f04e466dd647c

            SHA512

            3c5f6c03e253b83c57e8d6f0334187dbdcdf4fa549eecd36cbc1322dca6d3ca891dc6a019c49ec2eafb88f82d0434299c31e4dfaab123acb42e0546218f311fb

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

            Filesize

            836B

            MD5

            e71db9eb70173249916b88c12d69faec

            SHA1

            85cb39c6e899703cd0a07f9046f524ed727a8589

            SHA256

            97038019c328f02d63ef5678f287ea237508ecd2da8f2bf79573473d8fd12af6

            SHA512

            ee59a5b0a2e99f86cf8e65f9cb03bddd237669476f5ed4644c373c3bd70697a99444aef56976f089a9543b6bfeca02de0fed12a47c701d06e3a1b3e0fb81d564

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ez35mucq.ieo.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/892-38-0x00007FF6E5C30000-0x00007FF6E63E2000-memory.dmp

            Filesize

            7.7MB

          • memory/1840-45-0x0000000000A30000-0x0000000000A39000-memory.dmp

            Filesize

            36KB

          • memory/1840-50-0x00000000770E0000-0x0000000077332000-memory.dmp

            Filesize

            2.3MB

          • memory/1840-48-0x00007FF99D120000-0x00007FF99D329000-memory.dmp

            Filesize

            2.0MB

          • memory/1840-47-0x00000000026D0000-0x0000000002AD0000-memory.dmp

            Filesize

            4.0MB

          • memory/2620-40-0x0000000003810000-0x0000000003C10000-memory.dmp

            Filesize

            4.0MB

          • memory/2620-42-0x00007FF99D120000-0x00007FF99D329000-memory.dmp

            Filesize

            2.0MB

          • memory/2620-41-0x0000000003810000-0x0000000003C10000-memory.dmp

            Filesize

            4.0MB

          • memory/2620-44-0x00000000770E0000-0x0000000077332000-memory.dmp

            Filesize

            2.3MB

          • memory/2620-39-0x0000000000820000-0x000000000089E000-memory.dmp

            Filesize

            504KB

          • memory/2620-37-0x0000000000820000-0x000000000089E000-memory.dmp

            Filesize

            504KB

          • memory/3024-5-0x00000138290E0000-0x0000013829102000-memory.dmp

            Filesize

            136KB