Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    07-07-2024 01:12

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.

  • 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 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1196
      • 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:1088
        • 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:1372
          • 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:1824
        • 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:1340
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:7584
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {C7971066-7619-4275-BECE-A15472A4514A} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:S4U:
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:7836
      • 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:7868
      • 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:2564
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {7AB9B41D-C2DF-4DD8-AD33-095055DA19BF} S-1-5-21-2737914667-933161113-3798636211-1000:PUMARTNR\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:8152
      • C:\Users\Admin\AppData\Local\Current\mmyorpl\FallbackBuffer.exe
        C:\Users\Admin\AppData\Local\Current\mmyorpl\FallbackBuffer.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:8184
        • C:\Users\Admin\AppData\Local\Current\mmyorpl\FallbackBuffer.exe
          "C:\Users\Admin\AppData\Local\Current\mmyorpl\FallbackBuffer.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:5444
          • 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:5224
            • 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:4704

    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\Local\Temp\BLueHvffhw.exe
      Filesize

      2.7MB

      MD5

      abf2da5b3e7845f50463a72f8b6e6aaa

      SHA1

      a5299f55950ca82134da73b9e9844c5d624114c3

      SHA256

      2a4b1ae0ae67cd31f85680e6351bd5b92ff61e246c158decb1a43a3ef01d9f2c

      SHA512

      570e8becd18b36d66a2ac295518c8ba3c0bc83d8a6175e601b509efd9237462d1d0826dbeb9e52465e7cdcd57cb4ae7fd859ddc4a5aad895cef6ef7fa981e8a4

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

      7KB

      MD5

      c6eb9b1e7a102281b5b46e9cd6cd73df

      SHA1

      2f12d87edbb96b175d34650032dc6d3f3691b8c8

      SHA256

      b8db0a2e633fad78a42812c7dfebd8f6b1725b2226935ac6d332fc54e7fe83c5

      SHA512

      f2ae6b278b469f6b06f7241fd86a10389d737950c79c5350bc75e74bdf0507de153115163df0729dcb5306b4b2cf29f1d310973ff8b620ccf0eb822fd45ce88b

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HMY2O29L1273RQU8QCS5.temp
      Filesize

      7KB

      MD5

      04bb345f7cb9d86813c684b5b80845ad

      SHA1

      252a779b2dc3b058ddee1c2f7efd1d2db782a46d

      SHA256

      2b9e4c383b91285551b2fd659a5d53330c13dd21d88e617b2af8a976209c273a

      SHA512

      133be940bfd80c572afe623cc86f5df873062bd8952040a8a52df1429cb377f03799adb2fd3570c988a8ed85376f515aff35e4ada8a43c856a47ca69cd0a9456

    • memory/1088-50-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-13-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-6-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-14-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-42-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-16-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-18-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-22-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-24-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-26-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-28-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-20-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-30-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-32-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-34-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-40-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-38-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-44-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-48-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-52-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-54-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-58-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-62-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-66-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-64-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-60-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-56-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-0-0x000000007448E000-0x000000007448F000-memory.dmp
      Filesize

      4KB

    • memory/1088-1-0x0000000000E10000-0x0000000001388000-memory.dmp
      Filesize

      5.5MB

    • memory/1088-8-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-36-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-10-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-4-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-4891-0x0000000074480000-0x0000000074B6E000-memory.dmp
      Filesize

      6.9MB

    • memory/1088-4892-0x0000000074480000-0x0000000074B6E000-memory.dmp
      Filesize

      6.9MB

    • memory/1088-4890-0x0000000000B10000-0x0000000000B5C000-memory.dmp
      Filesize

      304KB

    • memory/1088-4889-0x00000000059C0000-0x0000000005D70000-memory.dmp
      Filesize

      3.7MB

    • memory/1088-46-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-2-0x0000000005F30000-0x00000000064A4000-memory.dmp
      Filesize

      5.5MB

    • memory/1088-4918-0x0000000074480000-0x0000000074B6E000-memory.dmp
      Filesize

      6.9MB

    • memory/1088-3-0x0000000005F30000-0x000000000649E000-memory.dmp
      Filesize

      5.4MB

    • memory/1088-4900-0x0000000004810000-0x0000000004864000-memory.dmp
      Filesize

      336KB

    • memory/1340-12024-0x00000000003F0000-0x00000000003F8000-memory.dmp
      Filesize

      32KB

    • memory/1340-4917-0x0000000000400000-0x00000000004B0000-memory.dmp
      Filesize

      704KB

    • memory/1372-4911-0x0000000074480000-0x0000000074B6E000-memory.dmp
      Filesize

      6.9MB

    • memory/1372-9805-0x00000000048B0000-0x00000000049A4000-memory.dmp
      Filesize

      976KB

    • memory/1372-9827-0x0000000074480000-0x0000000074B6E000-memory.dmp
      Filesize

      6.9MB

    • memory/1372-4916-0x0000000004B90000-0x0000000004E48000-memory.dmp
      Filesize

      2.7MB

    • memory/1372-4901-0x0000000000840000-0x0000000000AFC000-memory.dmp
      Filesize

      2.7MB

    • memory/1824-12037-0x0000000000510000-0x0000000000518000-memory.dmp
      Filesize

      32KB

    • memory/1824-9826-0x00000000023B0000-0x0000000002498000-memory.dmp
      Filesize

      928KB

    • memory/1824-9825-0x0000000000080000-0x000000000012C000-memory.dmp
      Filesize

      688KB

    • memory/1824-12038-0x00000000024A0000-0x00000000024F6000-memory.dmp
      Filesize

      344KB

    • memory/2564-26258-0x0000000000AA0000-0x0000000000AA8000-memory.dmp
      Filesize

      32KB

    • memory/2564-26257-0x000000001A1F0000-0x000000001A4D2000-memory.dmp
      Filesize

      2.9MB

    • memory/5224-19157-0x0000000000400000-0x00000000006BC000-memory.dmp
      Filesize

      2.7MB

    • memory/5444-16948-0x0000000000400000-0x00000000004AC000-memory.dmp
      Filesize

      688KB

    • memory/7868-12043-0x000000001A150000-0x000000001A432000-memory.dmp
      Filesize

      2.9MB

    • memory/7868-12044-0x00000000014D0000-0x00000000014D8000-memory.dmp
      Filesize

      32KB

    • memory/8184-12048-0x0000000000EC0000-0x000000000117C000-memory.dmp
      Filesize

      2.7MB