Analysis

  • max time kernel
    377s
  • max time network
    1596s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    31/05/2024, 07:56

General

  • Target
    malware1.exe
  • Size 17.1MB
  • Sample240531-js67eacf77
  • SHA256 14a2182fdf7ea02fcb38f9d6d2ee629910566f2016869f6446570e3bd44a8a34
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • c:\windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2980
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1704
    • C:\Users\Admin\AppData\Local\Temp\malware1.exe
      "C:\Users\Admin\AppData\Local\Temp\malware1.exe"
      1⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4472
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k move Chest Chest.cmd & Chest.cmd & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4256
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:4716
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "wrsa.exe opssvc.exe"
          3⤵
            PID:920
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            3⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4448
          • C:\Windows\SysWOW64\findstr.exe
            findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
            3⤵
              PID:3472
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c md 22602
              3⤵
                PID:4020
              • C:\Windows\SysWOW64\findstr.exe
                findstr /V "LibsHopefullySchoolHamburg" Examines
                3⤵
                  PID:3972
                • C:\Windows\SysWOW64\cmd.exe
                  cmd /c copy /b Techrepublic + Oliver + Prior + Operator + Juvenile + Expert 22602\g
                  3⤵
                    PID:4868
                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22602\Converted.pif
                    22602\Converted.pif 22602\g
                    3⤵
                    • Suspicious use of NtCreateUserProcessOtherParentProcess
                    • Executes dropped EXE
                    • Suspicious behavior: EnumeratesProcesses
                    • Suspicious use of FindShellTrayWindow
                    • Suspicious use of SendNotifyMessage
                    • Suspicious use of WriteProcessMemory
                    PID:608
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 608 -s 828
                      4⤵
                      • Program crash
                      PID:2352
                  • C:\Windows\SysWOW64\PING.EXE
                    ping -n 5 127.0.0.1
                    3⤵
                    • Runs ping.exe
                    PID:3796

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    Converted.pif

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22602\Converted.pif
                    • Size 872KB
                    • SHA256 865347471135bb5459ad0e647e75a14ad91424b6f13a5c05d9ecd9183a8a1cf4
                    • MD5 SHA1 SHA512 SSDEEP

                    g

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\22602\g
                    • Size 617KB
                    • SHA256 0fb68d11f85db7d585e1f9971cb4a42f75f81578b6f6359a12732a16936ecb28
                    • MD5 SHA1 SHA512 SSDEEP

                    Accurately

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Accurately
                    • Size 52KB
                    • SHA256 523ef81bdd30b4e10fcd4931f8d4a03dd9cf1452c7820e6e649d07b9703e92ba
                    • MD5 SHA1 SHA512 SSDEEP

                    Chest

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Chest
                    • Size 15KB
                    • SHA256 8fa138f9462d28db4e1dbe2806611a192984d7baa27be7607bc4b23d1a756469
                    • MD5 SHA1 SHA512 SSDEEP

                    Clubs

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Clubs
                    • Size 29KB
                    • SHA256 f260550cb617d1e97937bd0e312fede98e03f707f62af7cd4f8145d0e947b23d
                    • MD5 SHA1 SHA512 SSDEEP

                    Competitive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Competitive
                    • Size 160KB
                    • SHA256 e77e4242a40ebc4be938a023538c08a844137ec80093b51254d85944960171fe
                    • MD5 SHA1 SHA512 SSDEEP

                    Cycling

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Cycling
                    • Size 95KB
                    • SHA256 b3319d9abd2dd1781e0b2d11326baf4e50a1f0603c867e68e03c45b4d9478cee
                    • MD5 SHA1 SHA512 SSDEEP

                    Examines

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Examines
                    • Size 72B
                    • SHA256 f4844837d48c40f17f55572605dd18fee91a8007ca14e6c5891ed4a2176c9fa2
                    • MD5 SHA1 SHA512

                    Expert

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Expert
                    • Size 55KB
                    • SHA256 9956f5303f5e51e337ee8e9b876542b2c73115b76291bb1a6ecf7c25e104301b
                    • MD5 SHA1 SHA512 SSDEEP

                    Extraction

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Extraction
                    • Size 36KB
                    • SHA256 64e613507cfaa6c61d21ae6afdf6e4ed724d0eece810610dce3d8c4e7b27bbfb
                    • MD5 SHA1 SHA512 SSDEEP

                    Fence

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Fence
                    • Size 197KB
                    • SHA256 fba60d1ac97696aebea3a7de6182b5d19de488b0c0ee1915eb9c29f3f99de5d1
                    • MD5 SHA1 SHA512 SSDEEP

                    Juvenile

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Juvenile
                    • Size 80KB
                    • SHA256 8105c64b08b6491fe56cb26f72a2d74bd48bc2509a6617b2a6cce0ca449da764
                    • MD5 SHA1 SHA512 SSDEEP

                    Oliver

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Oliver
                    • Size 66KB
                    • SHA256 be8fe1f898a31fc714cd8f931f5332cabf63726f82462113b8974f23271c9b50
                    • MD5 SHA1 SHA512 SSDEEP

                    Operator

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Operator
                    • Size 171KB
                    • SHA256 2d64dd895e13a75097b62c054705be4bca891a1abd3732d79aa3ae728ae7d830
                    • MD5 SHA1 SHA512 SSDEEP

                    Peoples

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Peoples
                    • Size 98KB
                    • SHA256 3876f6a2bb622c25f0fa8fde7f008bf919225d66a599bbd74e9b61efa8578b63
                    • MD5 SHA1 SHA512 SSDEEP

                    Prior

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Prior
                    • Size 145KB
                    • SHA256 8fe06277f0e7d16f2e30ca181cd29cb3f1bf29aa7216f10557ca6aee562121b4
                    • MD5 SHA1 SHA512 SSDEEP

                    Striking

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Striking
                    • Size 205KB
                    • SHA256 ab3a8abebe202133fb0d2a94dd1b8d496faf425afff058267147ab05e225fb06
                    • MD5 SHA1 SHA512 SSDEEP

                    Techrepublic

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Techrepublic
                    • Size 100KB
                    • SHA256 38d9e4d2896cba24cb82c6cd500a645b8de6a3edd0184aca79d2aba0d0ebd175
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/608-53-0x0000000005D30000-0x0000000006130000-memory.dmp

                    memory/608-50-0x0000000004B10000-0x0000000004B7D000-memory.dmp

                    memory/608-56-0x0000000074AD0000-0x0000000074C92000-memory.dmp

                    memory/608-54-0x00007FFC919C0000-0x00007FFC91B9B000-memory.dmp

                    memory/608-52-0x0000000005D30000-0x0000000006130000-memory.dmp

                    memory/608-45-0x0000000004B10000-0x0000000004B7D000-memory.dmp

                    memory/608-46-0x0000000004B10000-0x0000000004B7D000-memory.dmp

                    memory/608-47-0x0000000004B10000-0x0000000004B7D000-memory.dmp

                    memory/608-49-0x0000000004B10000-0x0000000004B7D000-memory.dmp

                    memory/608-51-0x0000000004B10000-0x0000000004B7D000-memory.dmp

                    memory/1704-57-0x0000000002B70000-0x0000000002B79000-memory.dmp

                    memory/1704-59-0x0000000004A30000-0x0000000004E30000-memory.dmp

                    memory/1704-61-0x00007FFC919C0000-0x00007FFC91B9B000-memory.dmp

                    memory/1704-63-0x0000000074AD0000-0x0000000074C92000-memory.dmp

                    memory/4472-20-0x0000000000400000-0x0000000001443000-memory.dmp

                    memory/4472-44-0x0000000000400000-0x0000000001443000-memory.dmp

                    memory/4472-0-0x0000000000400000-0x0000000001443000-memory.dmp

                    memory/4472-1-0x0000000077544000-0x0000000077545000-memory.dmp

                    memory/4472-2-0x0000000000400000-0x0000000001443000-memory.dmp