Analysis

  • max time kernel
    132s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/02/2025, 10:11

General

  • Target

    2020.10.29_CISA-MAR-10310246_Powershell_Backdoor/44d6d67b5328a4d73f72d8a0f9d39fe4bb6539609f90f169483936a8b3b88316.dll

  • Size

    1.7MB

  • MD5

    faaafa3e115033ba5115ed6a6ba59ba9

  • SHA1

    ca16a95cd38707bad2dc524bb3086b3c0cb3e372

  • SHA256

    44d6d67b5328a4d73f72d8a0f9d39fe4bb6539609f90f169483936a8b3b88316

  • SHA512

    6f2fe02c1e15be2409f89ff1e6ae3c78f87e242ee448fe5ff6d375a74f10c7c6cc01f3f6d796aa34599a891e03c5d421d10f0c041e5a6dc0e346aea3ae21a935

  • SSDEEP

    49152:jTRjrgdOU9p1PZH/JNTFTJT5dwIwzQJH:PRCBNTBwAH

Score
1/10

Malware Config

Signatures

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 62 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2020.10.29_CISA-MAR-10310246_Powershell_Backdoor\44d6d67b5328a4d73f72d8a0f9d39fe4bb6539609f90f169483936a8b3b88316.dll,#1
    1⤵
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Windows\System32\cmd.exe
      /c "dir"
      2⤵
        PID:3828
      • C:\Windows\System32\cmd.exe
        /c "set"
        2⤵
          PID:2040
        • C:\Windows\System32\cmd.exe
          /c "ipconfig /all"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1484
          • C:\Windows\system32\ipconfig.exe
            ipconfig /all
            3⤵
            • Gathers network information
            PID:2984
        • \??\c:\program files\internet explorer\iexplore.exe
          "c:\program files\internet explorer\iexplore.exe"
          2⤵
            PID:4900
          • C:\Windows\System32\calc.exe
            "C:\Windows\System32\calc.exe"
            2⤵
              PID:3612
            • \??\c:\program files\internet explorer\iexplore.exe
              "c:\program files\internet explorer\iexplore.exe"
              2⤵
                PID:1188
              • C:\Windows\System32\calc.exe
                "C:\Windows\System32\calc.exe"
                2⤵
                  PID:3176
                • \??\c:\program files\internet explorer\iexplore.exe
                  "c:\program files\internet explorer\iexplore.exe"
                  2⤵
                    PID:1912
                  • C:\Windows\System32\calc.exe
                    "C:\Windows\System32\calc.exe"
                    2⤵
                      PID:4004

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/1188-29-0x000001CF227A0000-0x000001CF227A1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1188-31-0x000001CF227A0000-0x000001CF227A1000-memory.dmp

                    Filesize

                    4KB

                  • memory/1188-43-0x000001CF20D60000-0x000001CF20D61000-memory.dmp

                    Filesize

                    4KB

                  • memory/1912-51-0x0000016912220000-0x0000016912221000-memory.dmp

                    Filesize

                    4KB

                  • memory/1912-53-0x0000016912220000-0x0000016912221000-memory.dmp

                    Filesize

                    4KB

                  • memory/1912-65-0x00000169107E0000-0x00000169107E1000-memory.dmp

                    Filesize

                    4KB

                  • memory/3612-0-0x000001A2DE6C0000-0x000001A2DE6C1000-memory.dmp

                    Filesize

                    4KB

                  • memory/4900-4-0x000002313CAB0000-0x000002313CAB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/4900-7-0x000002313CAB0000-0x000002313CAB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/4900-20-0x000002313CAB0000-0x000002313CAB1000-memory.dmp

                    Filesize

                    4KB

                  • memory/4900-19-0x000002313B070000-0x000002313B071000-memory.dmp

                    Filesize

                    4KB

                  • memory/4900-15-0x000002313B050000-0x000002313B062000-memory.dmp

                    Filesize

                    72KB