Analysis

  • max time kernel
    139s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 17:16

General

  • Target

    WaveInstaller.exe

  • Size

    62.8MB

  • MD5

    f66c85401d7db71dabac1967d5b25b22

  • SHA1

    8856046029a881b6bd79b68328eaccaacf0ec60e

  • SHA256

    2e2540ebf685f0afa10ce24de9e2780baf01c57f22e5c5b238277159d76daa6f

  • SHA512

    6bd058d33fb27c493ad8a974bc1c07770da01293191c499677d9205ecf035005e0f8f5c60a39e979de84465b89cd01abd6204ea3d13ff2bfdf069f1f40957a79

  • SSDEEP

    393216:1KiyQ5GnKGtcq4kHylkvE0xD8pJJT6CmfeazN6wNRMMWEpTP1uVP7r1R:3yQ5GnKGtcQwkvXg5TABzVUENP01

Malware Config

Extracted

Family

rhadamanthys

C2

https://147.45.44.156/9fcc2685c3ccafd/5ltcujso.q8pi8

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 3 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 37 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:2520
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3696
    • 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 WriteProcessMemory
      PID:3940
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path win32_VideoController get name
        2⤵
        • Detects videocard installed
        • Suspicious use of AdjustPrivilegeToken
        PID:688
      • C:\Windows\system32\tasklist.exe
        tasklist
        2⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:3144
      • 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:844
        • 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:4280
      • C:\Windows\System32\Wbem\wmic.exe
        wmic csproduct get uuid
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:64
      • C:\ProgramData\driver1.exe
        C:\ProgramData\driver1.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1896
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          3⤵
            PID:4920
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            3⤵
              PID:1344
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              3⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:772
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 596
                4⤵
                • Program crash
                PID:5072
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 580
                4⤵
                • Program crash
                PID:3620
          • 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:1396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 772 -ip 772
          1⤵
            PID:2372
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 772 -ip 772
            1⤵
              PID:4996

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\ProgramData\driver1.exe

              Filesize

              443KB

              MD5

              768db31a3b1b4b64db81653736c527af

              SHA1

              07230323cfefea1933496aab82b4936080c715f5

              SHA256

              a1d839c90cd068deb5ad638f79822d0aeb669bbf44e9c3c3aaf0a9ca0fdcd653

              SHA512

              1433d165e86f9ed020dd467c2c778a4c5854be32546a9f7b3ed0098bfd5410dd995f23272d13b99256685ebed27dfe708b88be251ffef8c8971c4fff542d1b6a

            • 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

              MD5

              d41d8cd98f00b204e9800998ecf8427e

              SHA1

              da39a3ee5e6b4b0d3255bfef95601890afd80709

              SHA256

              e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

              SHA512

              cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5121zvxh.n24.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • memory/772-37-0x0000000000400000-0x000000000047E000-memory.dmp

              Filesize

              504KB

            • memory/772-33-0x0000000000400000-0x000000000047E000-memory.dmp

              Filesize

              504KB

            • memory/772-35-0x0000000000400000-0x000000000047E000-memory.dmp

              Filesize

              504KB

            • memory/772-38-0x0000000003BD0000-0x0000000003FD0000-memory.dmp

              Filesize

              4.0MB

            • memory/772-39-0x0000000003BD0000-0x0000000003FD0000-memory.dmp

              Filesize

              4.0MB

            • memory/772-40-0x00007FF816DD0000-0x00007FF816FC5000-memory.dmp

              Filesize

              2.0MB

            • memory/772-42-0x00000000768B0000-0x0000000076AC5000-memory.dmp

              Filesize

              2.1MB

            • memory/844-5-0x0000026597510000-0x0000026597532000-memory.dmp

              Filesize

              136KB

            • memory/1896-31-0x0000000000A00000-0x0000000000A76000-memory.dmp

              Filesize

              472KB

            • memory/3696-43-0x0000000000F60000-0x0000000000F69000-memory.dmp

              Filesize

              36KB

            • memory/3696-45-0x0000000002F70000-0x0000000003370000-memory.dmp

              Filesize

              4.0MB

            • memory/3696-48-0x00000000768B0000-0x0000000076AC5000-memory.dmp

              Filesize

              2.1MB

            • memory/3696-46-0x00007FF816DD0000-0x00007FF816FC5000-memory.dmp

              Filesize

              2.0MB