Analysis

  • max time kernel
    453s
  • max time network
    455s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240214-en
  • resource tags

    arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    27-03-2024 19:56

General

  • Target

    instrumentMAIN.exe

  • Size

    4.5MB

  • MD5

    c66b1f6942762649c44bca726995a227

  • SHA1

    d22eba1dd78f3ab676afd3442a4b2a24c9342bf8

  • SHA256

    859f296afcad7531a5e2ee4b5b8346da0d5ac0ba33700804216aa7365920f7cb

  • SHA512

    1785bc2becad09b83aa98fe5d1191328f7f8336615144c07974ff4aeb61ec4a72940ba5d10cc9b91185a9f644b093ae74abef22531c0dc191839613369a23144

  • SSDEEP

    98304:AaHg3Vqv+AigbRik7kZ3srMw2FX+qK60L:AaH0VqhiKj7kZ3U+FuqA

Malware Config

Signatures

  • Detect ZGRat V1 1 IoCs
  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • .NET Reactor proctector 1 IoCs

    Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2852
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2312
    • C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe
      "C:\Users\Admin\AppData\Local\Temp\instrumentMAIN.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2488
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MsBuild.exe
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3448
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 456
          3⤵
          • Program crash
          PID:4412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3448 -s 452
          3⤵
          • Program crash
          PID:2504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3448 -ip 3448
      1⤵
        PID:244
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3448 -ip 3448
        1⤵
          PID:1664

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Protect544cd51a.dll

          Filesize

          742KB

          MD5

          544cd51a596619b78e9b54b70088307d

          SHA1

          4769ddd2dbc1dc44b758964ed0bd231b85880b65

          SHA256

          dfce2d4d06de6452998b3c5b2dc33eaa6db2bd37810d04e3d02dc931887cfddd

          SHA512

          f56d8b81022bb132d40aa78596da39b5c212d13b84b5c7d2c576bbf403924f1d22e750de3b09d1be30aea359f1b72c5043b19685fc9bf06d8040bfee16b17719

        • memory/2312-43-0x0000000002730000-0x0000000002B30000-memory.dmp

          Filesize

          4.0MB

        • memory/2312-37-0x0000000002730000-0x0000000002B30000-memory.dmp

          Filesize

          4.0MB

        • memory/2312-36-0x0000000002730000-0x0000000002B30000-memory.dmp

          Filesize

          4.0MB

        • memory/2312-38-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

          Filesize

          2.0MB

        • memory/2312-41-0x00000000761F0000-0x0000000076442000-memory.dmp

          Filesize

          2.3MB

        • memory/2312-42-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

          Filesize

          2.0MB

        • memory/2312-34-0x0000000000A00000-0x0000000000A09000-memory.dmp

          Filesize

          36KB

        • memory/2312-45-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

          Filesize

          2.0MB

        • memory/2312-40-0x0000000002730000-0x0000000002B30000-memory.dmp

          Filesize

          4.0MB

        • memory/2488-12-0x00000000031F0000-0x0000000003200000-memory.dmp

          Filesize

          64KB

        • memory/2488-2-0x0000000005920000-0x00000000059BC000-memory.dmp

          Filesize

          624KB

        • memory/2488-17-0x0000000005870000-0x0000000005880000-memory.dmp

          Filesize

          64KB

        • memory/2488-3-0x0000000074D70000-0x0000000075521000-memory.dmp

          Filesize

          7.7MB

        • memory/2488-13-0x0000000005870000-0x0000000005880000-memory.dmp

          Filesize

          64KB

        • memory/2488-11-0x0000000005870000-0x0000000005880000-memory.dmp

          Filesize

          64KB

        • memory/2488-21-0x00000000074A0000-0x00000000075A0000-memory.dmp

          Filesize

          1024KB

        • memory/2488-20-0x00000000074A0000-0x00000000075A0000-memory.dmp

          Filesize

          1024KB

        • memory/2488-0-0x0000000074D70000-0x0000000075521000-memory.dmp

          Filesize

          7.7MB

        • memory/2488-14-0x0000000005870000-0x0000000005880000-memory.dmp

          Filesize

          64KB

        • memory/2488-25-0x0000000074D70000-0x0000000075521000-memory.dmp

          Filesize

          7.7MB

        • memory/2488-1-0x00000000009A0000-0x0000000000E1C000-memory.dmp

          Filesize

          4.5MB

        • memory/2488-18-0x00000000074A0000-0x00000000075A0000-memory.dmp

          Filesize

          1024KB

        • memory/2488-6-0x0000000006F60000-0x00000000070F2000-memory.dmp

          Filesize

          1.6MB

        • memory/2488-5-0x0000000005C30000-0x0000000005E28000-memory.dmp

          Filesize

          2.0MB

        • memory/2488-4-0x0000000005870000-0x0000000005880000-memory.dmp

          Filesize

          64KB

        • memory/2488-16-0x0000000005870000-0x0000000005880000-memory.dmp

          Filesize

          64KB

        • memory/2488-15-0x0000000005870000-0x0000000005880000-memory.dmp

          Filesize

          64KB

        • memory/3448-19-0x0000000000400000-0x000000000046D000-memory.dmp

          Filesize

          436KB

        • memory/3448-33-0x00000000761F0000-0x0000000076442000-memory.dmp

          Filesize

          2.3MB

        • memory/3448-32-0x0000000003C80000-0x0000000004080000-memory.dmp

          Filesize

          4.0MB

        • memory/3448-30-0x00007FFB420A0000-0x00007FFB422A9000-memory.dmp

          Filesize

          2.0MB

        • memory/3448-28-0x0000000003C80000-0x0000000004080000-memory.dmp

          Filesize

          4.0MB

        • memory/3448-29-0x0000000003C80000-0x0000000004080000-memory.dmp

          Filesize

          4.0MB

        • memory/3448-27-0x0000000003C80000-0x0000000004080000-memory.dmp

          Filesize

          4.0MB

        • memory/3448-26-0x0000000000400000-0x000000000046D000-memory.dmp

          Filesize

          436KB

        • memory/3448-24-0x0000000000400000-0x000000000046D000-memory.dmp

          Filesize

          436KB

        • memory/3448-44-0x0000000003C80000-0x0000000004080000-memory.dmp

          Filesize

          4.0MB