Analysis

  • max time kernel
    130s
  • max time network
    130s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-08-2024 07:08

General

  • Target

    fixer/Win64.exe

  • Size

    238KB

  • MD5

    01b8c89eb83646a038d9cb368e686bdb

  • SHA1

    5f217b7ec06fb5b96bb9f5c9def89f368b98cc58

  • SHA256

    40c823f1d6c00f1ea2482833d7c45773b6830cc812f5352aff102df63330aea7

  • SHA512

    6e5d7272088391c423feafe947310c049125aea22a1857b9f732d3d323cd11ab1c838fa1e056629f0882a91ec05cd33ac6f3cf0ec4bdb0c039f5a8416c7975d4

  • SSDEEP

    3072:3uw4AsOzMKuNIlQ/mciPffLHa1d+Dylq5YQooYJoT1jUWXYCJzVaXlZX:3N4AqKQmUmci3fO1d+/dPYajw7

Malware Config

Extracted

Family

rhadamanthys

C2

https://144.76.133.166:8034/5502b8a765a7d7349/gful07nl.rfoel

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

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:3404
    • C:\Users\Admin\AppData\Local\Temp\fixer\Win64.exe
      "C:\Users\Admin\AppData\Local\Temp\fixer\Win64.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4304
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:4396
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 436
          3⤵
          • Program crash
          PID:4320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 432
          3⤵
          • Program crash
          PID:3540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4396 -ip 4396
      1⤵
        PID:4708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4396 -ip 4396
        1⤵
          PID:368

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\d3d9x.dll

          Filesize

          641KB

          MD5

          2d0b9013e47fdc0480ab32799cd62799

          SHA1

          e7fb40062b7beaa04442555ddac1401450d0805b

          SHA256

          bb462874407a759e97bd04d781791d1d0f44eabfc9abc9a39313e3c9cf5a9e37

          SHA512

          9fa06691c6e699ba9680998bfdc08830fc164a263f84285ca0ae2ec8db617761a0c99c8bc728ab61276af2549a93952f5897c09eafb53753de17473bdc79e029

        • memory/3404-29-0x0000000002940000-0x0000000002D40000-memory.dmp

          Filesize

          4.0MB

        • memory/3404-22-0x0000000000BC0000-0x0000000000BC9000-memory.dmp

          Filesize

          36KB

        • memory/3404-30-0x0000000002940000-0x0000000002D40000-memory.dmp

          Filesize

          4.0MB

        • memory/3404-25-0x0000000002940000-0x0000000002D40000-memory.dmp

          Filesize

          4.0MB

        • memory/3404-28-0x0000000076FF0000-0x0000000077205000-memory.dmp

          Filesize

          2.1MB

        • memory/3404-26-0x00007FFE817D0000-0x00007FFE819C5000-memory.dmp

          Filesize

          2.0MB

        • memory/3404-24-0x0000000002940000-0x0000000002D40000-memory.dmp

          Filesize

          4.0MB

        • memory/4304-10-0x0000000077861000-0x0000000077981000-memory.dmp

          Filesize

          1.1MB

        • memory/4396-15-0x0000000003690000-0x0000000003A90000-memory.dmp

          Filesize

          4.0MB

        • memory/4396-31-0x0000000003690000-0x0000000003A90000-memory.dmp

          Filesize

          4.0MB

        • memory/4396-12-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/4396-20-0x0000000076FF0000-0x0000000077205000-memory.dmp

          Filesize

          2.1MB

        • memory/4396-17-0x0000000003690000-0x0000000003A90000-memory.dmp

          Filesize

          4.0MB

        • memory/4396-16-0x0000000003690000-0x0000000003A90000-memory.dmp

          Filesize

          4.0MB

        • memory/4396-13-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/4396-11-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/4396-14-0x0000000000400000-0x000000000047E000-memory.dmp

          Filesize

          504KB

        • memory/4396-18-0x00007FFE817D0000-0x00007FFE819C5000-memory.dmp

          Filesize

          2.0MB

        • memory/4396-21-0x0000000003690000-0x0000000003A90000-memory.dmp

          Filesize

          4.0MB