Analysis

  • max time kernel
    462s
  • max time network
    443s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/08/2024, 18:08

General

  • Target
    Solara/Solara.exe
  • Size 433KB
  • Sample240829-wras2atgra
  • SHA256 cb6b38f445f334599088702569ed9c9d4b0a54c7c88097a16ec6e58055517a3c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • rhadamanthys

C2
  • https://144.76.133.166:8034/5502b8a765a7d7349/k5851jfq.guti6

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Program crash 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 46 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2848
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1388
    • C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe
      "C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe"
      1⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        PID:3688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 552
          3⤵
          • Program crash
          PID:1260
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3688 -ip 3688
      1⤵
        PID:4208
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:3536
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
          1⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2144
          • C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe
            "C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe"
            2⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:392
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              3⤵
              • Suspicious use of NtCreateUserProcessOtherParentProcess
              • System Location Discovery: System Language Discovery
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:3388
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 600
                4⤵
                • Program crash
                PID:1088
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3388 -s 628
                4⤵
                • Program crash
                PID:3264
          • C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe
            "C:\Users\Admin\AppData\Local\Temp\Solara\Solara.exe"
            2⤵
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3824
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              3⤵
              • System Location Discovery: System Language Discovery
              PID:3784
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 572
                4⤵
                • Program crash
                PID:3168
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 536
                4⤵
                • Program crash
                PID:4692
          • C:\Windows\system32\findstr.exe
            "C:\Windows\system32\findstr.exe" Sol
            2⤵
              PID:2884
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3388 -ip 3388
            1⤵
              PID:3596
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3388 -ip 3388
              1⤵
                PID:5040
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3784 -ip 3784
                1⤵
                  PID:3196
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3784 -ip 3784
                  1⤵
                    PID:788

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

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                        Downloads

                        Solara.exe.log

                        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Solara.exe.log
                        • Size 42B
                        • SHA256 d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b
                        • MD5 SHA1 SHA512

                        __PSScriptPolicyTest_fs1ohydz.y3r.ps1

                        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fs1ohydz.y3r.ps1
                        • Size 60B
                        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                        • MD5 SHA1 SHA512

                        memory/1388-55-0x0000000076200000-0x0000000076415000-memory.dmp

                        memory/1388-53-0x00007FF9F2B50000-0x00007FF9F2D45000-memory.dmp

                        memory/1388-52-0x0000000002DF0000-0x00000000031F0000-memory.dmp

                        memory/1388-50-0x0000000000E70000-0x0000000000E79000-memory.dmp

                        memory/2144-23-0x000001E9F04F0000-0x000001E9F0534000-memory.dmp

                        memory/2144-27-0x000001E9F0580000-0x000001E9F059E000-memory.dmp

                        memory/2144-24-0x000001E9F05C0000-0x000001E9F0636000-memory.dmp

                        memory/2144-18-0x000001E9F0010000-0x000001E9F0032000-memory.dmp

                        memory/3388-47-0x00007FF9F2B50000-0x00007FF9F2D45000-memory.dmp

                        memory/3388-49-0x0000000076200000-0x0000000076415000-memory.dmp

                        memory/3388-46-0x0000000003F30000-0x0000000004330000-memory.dmp

                        memory/3388-45-0x0000000003F30000-0x0000000004330000-memory.dmp

                        memory/3388-42-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3388-44-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3688-5-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3688-6-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3688-8-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3688-3-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3784-59-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3784-61-0x0000000000400000-0x000000000047E000-memory.dmp

                        memory/3784-63-0x0000000003FD0000-0x00000000043D0000-memory.dmp

                        memory/4868-9-0x00000000746C0000-0x0000000074E70000-memory.dmp

                        memory/4868-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

                        memory/4868-10-0x00000000746C0000-0x0000000074E70000-memory.dmp

                        memory/4868-1-0x0000000000C40000-0x0000000000CB2000-memory.dmp