Analysis

  • max time kernel
    90s
  • max time network
    81s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 12:19

General

  • Target

    Portable_x32_x64.zip

  • Size

    5.2MB

  • MD5

    fe91478f39a6102b8239dd1bbdab4925

  • SHA1

    8ff28f5976a4243f44491af7aa36478c22b231e5

  • SHA256

    03d60f06db313f892881188829f27c813efe8a4e987af1f483a4bbbcd78159db

  • SHA512

    07975105bd921cf5d0c2479c7efa2e86d0396033125a59e45bcb659c240023622c19f4beeea967bd524fd8bb701653bd7c7cb3338b78f8e43aee3ca02bef3b52

  • SSDEEP

    98304:SxXm/N+nGIdm2laGQEzAGeRDohW4PCpQCGroaDvhU2J1gXgT:SxXmWdm2lkDSq0oat1

Malware Config

Extracted

Family

rhadamanthys

C2

https://144.76.133.166:8034/5502b8a765a7d7349/8duqxdnh.falc4

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Program crash 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Modifies registry class 1 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2612
      • C:\Windows\SysWOW64\openwith.exe
        "C:\Windows\system32\openwith.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:4716
    • C:\Windows\Explorer.exe
      C:\Windows\Explorer.exe /idlist,,C:\Users\Admin\AppData\Local\Temp\Portable_x32_x64.zip
      1⤵
        PID:752
      • C:\Windows\System32\rundll32.exe
        C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
        1⤵
          PID:4444
        • C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe
          "C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe"
          1⤵
          • Loads dropped DLL
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2668
          • 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:3420
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 464
              3⤵
              • Program crash
              PID:5112
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3420 -s 452
              3⤵
              • Program crash
              PID:4756
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3420 -ip 3420
          1⤵
            PID:4928
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3420 -ip 3420
            1⤵
              PID:3216
            • C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe
              "C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe"
              1⤵
              • Loads dropped DLL
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:788
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
                2⤵
                • System Location Discovery: System Language Discovery
                PID:448
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 416
                  3⤵
                  • Program crash
                  PID:4392
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 448 -s 440
                  3⤵
                  • Program crash
                  PID:2268
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 448 -ip 448
              1⤵
                PID:4444
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 448 -ip 448
                1⤵
                  PID:4372
                • C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe
                  "C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe"
                  1⤵
                  • Loads dropped DLL
                  • Suspicious use of SetThreadContext
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:3544
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:2920
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 416
                      3⤵
                      • Program crash
                      PID:2384
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 424
                      3⤵
                      • Program crash
                      PID:2360
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2920 -ip 2920
                  1⤵
                    PID:2684
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2920 -ip 2920
                    1⤵
                      PID:1540
                    • C:\Windows\system32\taskmgr.exe
                      "C:\Windows\system32\taskmgr.exe" /4
                      1⤵
                      • Checks SCSI registry key(s)
                      • Modifies registry class
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious behavior: GetForegroundWindowSpam
                      • Suspicious use of AdjustPrivilegeToken
                      • Suspicious use of FindShellTrayWindow
                      • Suspicious use of SendNotifyMessage
                      PID:1448
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\Portable_x32_x64\Data\Packaged\Main.ini
                      1⤵
                      • Opens file in notepad (likely ransom note)
                      PID:4872
                    • C:\Windows\system32\NOTEPAD.EXE
                      "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\Portable_x32_x64\update-settings.ini
                      1⤵
                        PID:4996
                      • C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe
                        "C:\Users\Admin\Desktop\Portable_x32_x64\Setup.exe"
                        1⤵
                        • Loads dropped DLL
                        • Suspicious use of SetThreadContext
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of WriteProcessMemory
                        PID:2240
                        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
                          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
                          2⤵
                          • System Location Discovery: System Language Discovery
                          PID:4300
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 416
                            3⤵
                            • Program crash
                            PID:3764
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 424
                            3⤵
                            • Program crash
                            PID:1808
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4300 -ip 4300
                        1⤵
                          PID:4636
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 4300 -ip 4300
                          1⤵
                            PID:3156

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

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

                            Filesize

                            642KB

                            MD5

                            ba3023249b8d6ed0df30421780fc1d0f

                            SHA1

                            6b6ddce795244fbc0bf25aa8387216898a406d57

                            SHA256

                            23d4cf6d02126c05466abbc91eed4d7fc8ff99c8fea9bd8e68a44cfadc89a3e1

                            SHA512

                            f6b177f218804ee862cbf6729b6d435442f9ffb9b980d6bb04a378c52d936245c726685234d8d8844e6f7c030704ba4bb0e15db26f79fc70b8557632d0687f4e

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

                            Filesize

                            642KB

                            MD5

                            d6a05fd14991d2dc5f972b681b0b8fd1

                            SHA1

                            92b9d749770953695fc04658af5a7d3d20a13485

                            SHA256

                            b20121b224944f229ebe84c0adb2500be80cda86dba4d6542e7f225503f8cea7

                            SHA512

                            1f48c03f4d29e30ac7598a6ed427b9fefe8077fee79239c973c1df39e540d30f6a4ef4667a366f8851a8be0bf469c236da06469f3058393d29b8b058270a2605

                          • memory/448-42-0x0000000000400000-0x000000000047E000-memory.dmp

                            Filesize

                            504KB

                          • memory/448-44-0x0000000003E20000-0x0000000004220000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/1448-61-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-71-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-72-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-73-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-67-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-63-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-62-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-70-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-69-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/1448-68-0x0000026C21770000-0x0000026C21771000-memory.dmp

                            Filesize

                            4KB

                          • memory/2668-9-0x0000000077AA1000-0x0000000077BC1000-memory.dmp

                            Filesize

                            1.1MB

                          • memory/2920-60-0x0000000003570000-0x0000000003970000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/2920-58-0x0000000000400000-0x000000000047E000-memory.dmp

                            Filesize

                            504KB

                          • memory/3420-17-0x00000000039B0000-0x0000000003DB0000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/3420-14-0x0000000000400000-0x000000000047E000-memory.dmp

                            Filesize

                            504KB

                          • memory/3420-11-0x0000000000400000-0x000000000047E000-memory.dmp

                            Filesize

                            504KB

                          • memory/3420-28-0x00000000039B0000-0x0000000003DB0000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/3420-13-0x0000000000400000-0x000000000047E000-memory.dmp

                            Filesize

                            504KB

                          • memory/3420-12-0x0000000000400000-0x000000000047E000-memory.dmp

                            Filesize

                            504KB

                          • memory/3420-21-0x0000000076B20000-0x0000000076D35000-memory.dmp

                            Filesize

                            2.1MB

                          • memory/3420-18-0x00007FF978510000-0x00007FF978705000-memory.dmp

                            Filesize

                            2.0MB

                          • memory/3420-19-0x00000000039B0000-0x0000000003DB0000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/3420-16-0x00000000039B0000-0x0000000003DB0000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/3420-15-0x00000000039B0000-0x0000000003DB0000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/4300-91-0x0000000000520000-0x000000000059E000-memory.dmp

                            Filesize

                            504KB

                          • memory/4300-87-0x0000000000520000-0x000000000059E000-memory.dmp

                            Filesize

                            504KB

                          • memory/4300-93-0x00000000034B0000-0x00000000038B0000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/4716-22-0x00000000005A0000-0x00000000005A9000-memory.dmp

                            Filesize

                            36KB

                          • memory/4716-24-0x00000000023E0000-0x00000000027E0000-memory.dmp

                            Filesize

                            4.0MB

                          • memory/4716-25-0x00007FF978510000-0x00007FF978705000-memory.dmp

                            Filesize

                            2.0MB

                          • memory/4716-27-0x0000000076B20000-0x0000000076D35000-memory.dmp

                            Filesize

                            2.1MB