Resubmissions

23/02/2023, 09:14

230223-k7fhnsfd5310

23/02/2023, 09:11

230223-k53v7afd4710

Analysis

  • max time kernel
    108s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/02/2023, 09:11

General

  • Target
    9D8AA271.msi
  • Size 1.4MB
  • Sample230223-k53v7afd47
  • SHA256 34159049a92a5849bc9c11bd8ed4411aa5f5ecac4a80ddc2cc9f5df22980c1ec
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 5 IoCs
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 14 IoCs
  • Modifies data under HKEY_USERS 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\9D8AA271.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2528
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 9ACB6B36C8942811E374456A47EF530F
      2⤵
      • Loads dropped DLL
      PID:4560
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 480C57FEDD0D1C0133B39E13D41BA8E1 E Global\MSI0000
      2⤵
      • Modifies data under HKEY_USERS
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\SysWOW64\netsh.exe
        "C:\Windows\SysWOW64\netsh.exe" interface ipv6 install
        3⤵
          PID:2144
        • C:\Windows\SysWOW64\netsh.exe
          "C:\Windows\SysWOW64\netsh.exe" ipsec static add policy name=qianye
          3⤵
            PID:4536
          • C:\Windows\SysWOW64\netsh.exe
            "C:\Windows\SysWOW64\netsh.exe" ipsec static add filterlist name=Filter1
            3⤵
              PID:3860
            • C:\Windows\SysWOW64\netsh.exe
              "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=TCP
              3⤵
                PID:3876
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=TCP
                3⤵
                  PID:1916
                • C:\Windows\SysWOW64\netsh.exe
                  "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=TCP
                  3⤵
                    PID:4796
                  • C:\Windows\SysWOW64\netsh.exe
                    "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=445 protocol=UDP
                    3⤵
                      PID:2564
                    • C:\Windows\SysWOW64\netsh.exe
                      "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=135 protocol=UDP
                      3⤵
                        PID:5092
                      • C:\Windows\SysWOW64\netsh.exe
                        "C:\Windows\SysWOW64\netsh.exe" ipsec static add filter filterlist=Filter1 srcaddr=any dstaddr=Me dstport=139 protocol=UDP
                        3⤵
                          PID:4984
                        • C:\Windows\SysWOW64\netsh.exe
                          "C:\Windows\SysWOW64\netsh.exe" ipsec static add filteraction name=FilteraAtion1 action=block
                          3⤵
                            PID:5108
                          • C:\Windows\SysWOW64\netsh.exe
                            "C:\Windows\SysWOW64\netsh.exe" ipsec static add rule name=Rule1 policy=qianye filterlist=Filter1 filteraction=FilteraAtion1
                            3⤵
                              PID:5116
                            • C:\Windows\SysWOW64\netsh.exe
                              "C:\Windows\SysWOW64\netsh.exe" ipsec static set policy name=qianye assign=y
                              3⤵
                                PID:972

                          Network

                                MITRE ATT&CK Enterprise v6

                                Replay Monitor

                                Loading Replay Monitor...

                                Downloads

                                e5682f2.rbs

                                • Path C:\Config.Msi\e5682f2.rbs
                                • Size 2KB
                                • SHA256 0f0cefd52a7605cc47edc1927d7c7101802638c93821b9114bb515590a244f66
                                • MD5 SHA1 SHA512

                                MSI8477.tmp

                                • Path C:\Windows\Installer\MSI8477.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI8477.tmp

                                • Path C:\Windows\Installer\MSI8477.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI888F.tmp

                                • Path C:\Windows\Installer\MSI888F.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI888F.tmp

                                • Path C:\Windows\Installer\MSI888F.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI897A.tmp

                                • Path C:\Windows\Installer\MSI897A.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI897A.tmp

                                • Path C:\Windows\Installer\MSI897A.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI897A.tmp

                                • Path C:\Windows\Installer\MSI897A.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI89AA.tmp

                                • Path C:\Windows\Installer\MSI89AA.tmp
                                • Size 118KB
                                • SHA256 68c66657b569cad9cc6e1f5adf0795b5df444ec9945c0d86c62c5abc8aaddc08
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI89AA.tmp

                                • Path C:\Windows\Installer\MSI89AA.tmp
                                • Size 118KB
                                • SHA256 68c66657b569cad9cc6e1f5adf0795b5df444ec9945c0d86c62c5abc8aaddc08
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI8A28.tmp

                                • Path C:\Windows\Installer\MSI8A28.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                MSI8A28.tmp

                                • Path C:\Windows\Installer\MSI8A28.tmp
                                • Size 141KB
                                • SHA256 6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55
                                • MD5 SHA1 SHA512 SSDEEP

                                memory/4560-154-0x0000000075150000-0x00000000751B5000-memory.dmp

                                memory/4560-155-0x0000000075170000-0x00000000751C0000-memory.dmp

                                memory/4560-153-0x0000000075150000-0x00000000751B5000-memory.dmp

                                memory/4560-152-0x0000000002DC0000-0x0000000002DC1000-memory.dmp

                                memory/4560-160-0x0000000002E20000-0x0000000002E23000-memory.dmp

                                memory/4560-161-0x0000000002E20000-0x0000000002E23000-memory.dmp

                                memory/4560-166-0x0000000075150000-0x00000000751B5000-memory.dmp

                                memory/4560-151-0x0000000075150000-0x00000000751B5000-memory.dmp