Analysis

  • max time kernel
    133s
  • max time network
    138s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-08-2024 17:10

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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 31 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:2504
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:512
    • 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:1728
      • C:\Windows\System32\Wbem\wmic.exe
        wmic path win32_VideoController get name
        2⤵
        • Detects videocard installed
        • Suspicious use of AdjustPrivilegeToken
        PID:4988
      • C:\Windows\system32\tasklist.exe
        tasklist
        2⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:4676
      • 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:4436
        • 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
          PID:3884
      • C:\Windows\System32\Wbem\wmic.exe
        wmic csproduct get uuid
        2⤵
          PID:2344
        • 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:4608
          • 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:4944
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 620
              4⤵
              • Program crash
              PID:1564
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 628
              4⤵
              • Program crash
              PID:3680
        • 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:3304

      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

        3KB

        MD5

        7033adcdceef2520521477b094e52cc7

        SHA1

        6dbdc3aba745a40a79f2eb659f2b427aaf5ff62e

        SHA256

        bb10a63597ebc56a9c5e558c7b5bed8c1dde4856f7604ab987998d10eda3ac4e

        SHA512

        af9249bd6a64e28d1b03ce962618ce2a7e5a55dc57d1dbc8efcf2e4142e74f40e58b144952981c3a86771a9fd207e73986130edf7b7dfde2495347e284e8287e

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

        Filesize

        720B

        MD5

        48d3a13096b697b0a1fc14874e2c9d02

        SHA1

        5e8a5c64cae7fbb24379b641628e0291de1d16da

        SHA256

        31ec403ec21a01a148c51122bf8593a5a3535af0e2472861b8bfd56ce1f255e9

        SHA512

        64d66a64333d2b9f0dd791ce65c9e17952404b81dca3c85713edca46b27fe149b30c1252a68e8d0038e295059de208350144da06fb615ed89d3a79b5ac14a88a

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_io1o4auh.kta.ps1

        Filesize

        1B

        MD5

        c4ca4238a0b923820dcc509a6f75849b

        SHA1

        356a192b7913b04c54574d18c28d46e6395428ab

        SHA256

        6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

        SHA512

        4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

      • memory/512-112-0x0000000000D20000-0x0000000000D29000-memory.dmp

        Filesize

        36KB

      • memory/512-114-0x0000000004DA0000-0x00000000051A0000-memory.dmp

        Filesize

        4.0MB

      • memory/512-117-0x0000000076790000-0x0000000076952000-memory.dmp

        Filesize

        1.8MB

      • memory/512-115-0x00007FFD88720000-0x00007FFD888FB000-memory.dmp

        Filesize

        1.9MB

      • memory/4436-9-0x000001BB5FB70000-0x000001BB5FBE6000-memory.dmp

        Filesize

        472KB

      • memory/4436-4-0x000001BB5F9C0000-0x000001BB5F9E2000-memory.dmp

        Filesize

        136KB

      • memory/4608-100-0x00000000008E0000-0x0000000000956000-memory.dmp

        Filesize

        472KB

      • memory/4944-104-0x0000000000400000-0x000000000047E000-memory.dmp

        Filesize

        504KB

      • memory/4944-109-0x00007FFD88720000-0x00007FFD888FB000-memory.dmp

        Filesize

        1.9MB

      • memory/4944-111-0x0000000076790000-0x0000000076952000-memory.dmp

        Filesize

        1.8MB

      • memory/4944-108-0x0000000003F20000-0x0000000004320000-memory.dmp

        Filesize

        4.0MB

      • memory/4944-107-0x0000000003F20000-0x0000000004320000-memory.dmp

        Filesize

        4.0MB

      • memory/4944-106-0x0000000000400000-0x000000000047E000-memory.dmp

        Filesize

        504KB

      • memory/4944-102-0x0000000000400000-0x000000000047E000-memory.dmp

        Filesize

        504KB