Analysis

  • max time kernel
    87s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2023 11:19

General

  • Target

    409d02f41923921fba426747e30eb66837f1b08a5b42d02bcb4a7b03a0ba83ef.exe

  • Size

    4.7MB

  • MD5

    f9b585080f71f1a170913072e24712c7

  • SHA1

    b48b37666dfb654adbd5a674343c424d811ed05f

  • SHA256

    409d02f41923921fba426747e30eb66837f1b08a5b42d02bcb4a7b03a0ba83ef

  • SHA512

    d0b0102f271c63cdbdd5cd1d23029a4f5de86780bf1a3759ffc584e9313e6df0f2a870f7e7d1d1adf5b4d3f60707fb5607861059114ba591a93a1c03f646b002

  • SSDEEP

    98304:+Jdapp2aFdKOggt2h91qfE1AnjIiR707hkzspTWHHuE7kRtgHta7eDPJKX:ucCaFdF49EfZRIOIsH9ZHtYW

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 20 IoCs

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

  • Modifies registry class 50 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\409d02f41923921fba426747e30eb66837f1b08a5b42d02bcb4a7b03a0ba83ef.exe
    "C:\Users\Admin\AppData\Local\Temp\409d02f41923921fba426747e30eb66837f1b08a5b42d02bcb4a7b03a0ba83ef.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\system32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\Otpsrodoserw.dll,start
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3252
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:4996
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:1132
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:1716
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:1568
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:1692
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
        3⤵
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        PID:4948
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
        3⤵
          PID:4740
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
          3⤵
            PID:3452
          • C:\Windows\system32\rundll32.exe
            "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
            3⤵
              PID:1004
            • C:\Windows\system32\rundll32.exe
              "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
              3⤵
                PID:4368
              • C:\Windows\system32\rundll32.exe
                "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
                3⤵
                  PID:1708
                • C:\Windows\system32\rundll32.exe
                  "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
                  3⤵
                    PID:2728
                  • C:\Windows\system32\rundll32.exe
                    "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
                    3⤵
                      PID:548
                    • C:\Windows\system32\rundll32.exe
                      "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
                      3⤵
                        PID:3984
                      • C:\Windows\system32\rundll32.exe
                        "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
                        3⤵
                          PID:4184
                        • C:\Windows\system32\rundll32.exe
                          "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
                          3⤵
                            PID:1484
                          • C:\Windows\system32\rundll32.exe
                            "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22393
                            3⤵
                              PID:1104
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 412
                            2⤵
                            • Program crash
                            PID:4140
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2748 -ip 2748
                          1⤵
                            PID:3128
                          • C:\Windows\System32\rundll32.exe
                            C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                            1⤵
                              PID:4120

                            Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

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

                              Filesize

                              5.4MB

                              MD5

                              8ea6481be98e97afae4f4314104386ba

                              SHA1

                              1e9aa1b731e9c7dfce21d83c2be6f7ee64e94f00

                              SHA256

                              7443717c4cb0dd014d71436badd97d3f5d324c0fc66be9d8ae411fa8244041ca

                              SHA512

                              6918fe0a57a4ff490997e8f419071d04a4151f81b4a31f1c5b1e28d6687a554e157bf2ccf560e519630e29db9c5acac12459c40567c0d1788fd78d41d2c74233

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

                              Filesize

                              5.4MB

                              MD5

                              8ea6481be98e97afae4f4314104386ba

                              SHA1

                              1e9aa1b731e9c7dfce21d83c2be6f7ee64e94f00

                              SHA256

                              7443717c4cb0dd014d71436badd97d3f5d324c0fc66be9d8ae411fa8244041ca

                              SHA512

                              6918fe0a57a4ff490997e8f419071d04a4151f81b4a31f1c5b1e28d6687a554e157bf2ccf560e519630e29db9c5acac12459c40567c0d1788fd78d41d2c74233

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

                              Filesize

                              5.4MB

                              MD5

                              8ea6481be98e97afae4f4314104386ba

                              SHA1

                              1e9aa1b731e9c7dfce21d83c2be6f7ee64e94f00

                              SHA256

                              7443717c4cb0dd014d71436badd97d3f5d324c0fc66be9d8ae411fa8244041ca

                              SHA512

                              6918fe0a57a4ff490997e8f419071d04a4151f81b4a31f1c5b1e28d6687a554e157bf2ccf560e519630e29db9c5acac12459c40567c0d1788fd78d41d2c74233

                            • memory/548-439-0x0000018487980000-0x0000018487C2C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/548-443-0x0000018487980000-0x0000018487C2C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1004-360-0x000001F926400000-0x000001F9266AC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1004-355-0x000001F926400000-0x000001F9266AC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1104-523-0x000001DD953F0000-0x000001DD9569C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1132-209-0x000001BCA0670000-0x000001BCA091C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1132-206-0x00007FFB61AE0000-0x00007FFB61AE1000-memory.dmp

                              Filesize

                              4KB

                            • memory/1132-211-0x000001BCA0670000-0x000001BCA091C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1132-213-0x000001BCA0670000-0x000001BCA091C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1132-208-0x000001BCA20C0000-0x000001BCA2200000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/1132-207-0x000001BCA20C0000-0x000001BCA2200000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/1484-501-0x000001CE3B020000-0x000001CE3B2CC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1484-506-0x000001CE3B020000-0x000001CE3B2CC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1568-255-0x000001E180350000-0x000001E1805FC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1568-248-0x000001E180350000-0x000001E1805FC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1692-271-0x000001D01D4C0000-0x000001D01D76C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1692-277-0x000001D01D4C0000-0x000001D01D76C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1708-395-0x0000012E05D80000-0x0000012E0602C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1708-402-0x0000012E05D80000-0x0000012E0602C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1716-234-0x000001DDC36D0000-0x000001DDC397C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/1716-230-0x000001DDC36D0000-0x000001DDC397C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/2728-419-0x000001CD16680000-0x000001CD1692C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/2728-423-0x000001CD16680000-0x000001CD1692C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/2748-134-0x0000000005320000-0x00000000059F5000-memory.dmp

                              Filesize

                              6.8MB

                            • memory/2748-143-0x0000000000400000-0x0000000002FE4000-memory.dmp

                              Filesize

                              43.9MB

                            • memory/2748-136-0x0000000000400000-0x0000000002FE4000-memory.dmp

                              Filesize

                              43.9MB

                            • memory/2748-135-0x0000000000400000-0x0000000002FE4000-memory.dmp

                              Filesize

                              43.9MB

                            • memory/3252-179-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-182-0x0000000004510000-0x0000000004511000-memory.dmp

                              Filesize

                              4KB

                            • memory/3252-141-0x0000000002600000-0x0000000002B77000-memory.dmp

                              Filesize

                              5.5MB

                            • memory/3252-195-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-197-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-198-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-199-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-204-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-142-0x0000000003110000-0x0000000003111000-memory.dmp

                              Filesize

                              4KB

                            • memory/3252-205-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-203-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-154-0x0000000002600000-0x0000000002B77000-memory.dmp

                              Filesize

                              5.5MB

                            • memory/3252-155-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-202-0x0000000004520000-0x0000000004521000-memory.dmp

                              Filesize

                              4KB

                            • memory/3252-201-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-185-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-156-0x00000000044F0000-0x00000000044F1000-memory.dmp

                              Filesize

                              4KB

                            • memory/3252-157-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-215-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-217-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-218-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-219-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-221-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-224-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-223-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-222-0x0000000004740000-0x0000000004741000-memory.dmp

                              Filesize

                              4KB

                            • memory/3252-158-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-184-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-183-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-169-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-181-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-178-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-177-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-170-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3252-171-0x0000000004500000-0x0000000004501000-memory.dmp

                              Filesize

                              4KB

                            • memory/3252-172-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-173-0x0000000004360000-0x00000000044A0000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/3252-174-0x0000000002600000-0x0000000002B77000-memory.dmp

                              Filesize

                              5.5MB

                            • memory/3252-175-0x0000000003710000-0x0000000004252000-memory.dmp

                              Filesize

                              11.3MB

                            • memory/3452-334-0x000001D0D04E0000-0x000001D0D078C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/3452-339-0x000001D0D04E0000-0x000001D0D078C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/3984-460-0x0000023B1F3A0000-0x0000023B1F64C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/3984-464-0x0000023B1F3A0000-0x0000023B1F64C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4184-485-0x0000016B353F0000-0x0000016B3569C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4184-478-0x0000016B353F0000-0x0000016B3569C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4368-376-0x000001598F5E0000-0x000001598F88C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4368-381-0x000001598F5E0000-0x000001598F88C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4740-314-0x0000019FCA240000-0x0000019FCA4EC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4740-318-0x0000019FCA240000-0x0000019FCA4EC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4948-293-0x000001CBB6220000-0x000001CBB64CC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4948-297-0x000001CBB6220000-0x000001CBB64CC000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4996-186-0x00007FFB61AE0000-0x00007FFB61AE1000-memory.dmp

                              Filesize

                              4KB

                            • memory/4996-187-0x000002B58BD00000-0x000002B58BE40000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/4996-188-0x000002B58BD00000-0x000002B58BE40000-memory.dmp

                              Filesize

                              1.2MB

                            • memory/4996-192-0x000002B58A2B0000-0x000002B58A55C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4996-190-0x0000000000F40000-0x00000000011DB000-memory.dmp

                              Filesize

                              2.6MB

                            • memory/4996-189-0x000002B58A2B0000-0x000002B58A55C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4996-191-0x000002B58A2B0000-0x000002B58A55C000-memory.dmp

                              Filesize

                              2.7MB

                            • memory/4996-193-0x000002B58A2B0000-0x000002B58A55C000-memory.dmp

                              Filesize

                              2.7MB