Resubmissions

23-02-2023 09:14

230223-k7fhnsfd53 10

23-02-2023 09:11

230223-k53v7afd47 10

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

  • MD5

    7a72d5e6044805ea4d2f37bdbdc0ab2d

  • SHA1

    9b54a2d8ee1ead6bf053f0aaf724e4d44e1de8ae

  • SHA256

    34159049a92a5849bc9c11bd8ed4411aa5f5ecac4a80ddc2cc9f5df22980c1ec

  • SHA512

    f100069fe104f7bb9154247f26e130d739eeb4e834ef6e801901bb489847c6791c5ec53f9160de3f8295483d52004890b79af27a4057f5c2d7d9eb4d9ceb0ff9

  • SSDEEP

    24576:KUuDXXNGj04BMeRocDP1Nz4lDhkPTG4Mcgiwkew8vroUQGDXDNSnf6BlMRUT:KdXdJi5oo+FeBRSw8vlQIzNSnf6y4

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 Matrix ATT&CK v6

                          Discovery

                          Query Registry

                          1
                          T1012

                          Peripheral Device Discovery

                          1
                          T1120

                          System Information Discovery

                          1
                          T1082

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Config.Msi\e5682f2.rbs
                            Filesize

                            2KB

                            MD5

                            16a530e54bec71b3c0e0ee3116d0403d

                            SHA1

                            44794cdfc030dab9e338fe0c91eeb6cce85bf8d7

                            SHA256

                            0f0cefd52a7605cc47edc1927d7c7101802638c93821b9114bb515590a244f66

                            SHA512

                            50f88b549118c3090ed6a6242ede892a5d8a7735b573a6235e81e2b20579282ed6694f4404e5efd184a5bb1580e9aa04b013f177fde7e2596a753d1a675323e7

                          • C:\Windows\Installer\MSI8477.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI8477.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI888F.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI888F.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI897A.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI897A.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI897A.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI89AA.tmp
                            Filesize

                            118KB

                            MD5

                            4b49c57cbefa1d2773da1f95338e294d

                            SHA1

                            108ea90d8a42cf31f7d8d7710b5fd713ca048ef9

                            SHA256

                            68c66657b569cad9cc6e1f5adf0795b5df444ec9945c0d86c62c5abc8aaddc08

                            SHA512

                            42c61f24196c2682343309cbcdcea185a4100603c649e053c11e2efadef8983c411ef4c61ca71025460baf3d4155157242b2f4ce02a88b6ca2d1922651036165

                          • C:\Windows\Installer\MSI89AA.tmp
                            Filesize

                            118KB

                            MD5

                            4b49c57cbefa1d2773da1f95338e294d

                            SHA1

                            108ea90d8a42cf31f7d8d7710b5fd713ca048ef9

                            SHA256

                            68c66657b569cad9cc6e1f5adf0795b5df444ec9945c0d86c62c5abc8aaddc08

                            SHA512

                            42c61f24196c2682343309cbcdcea185a4100603c649e053c11e2efadef8983c411ef4c61ca71025460baf3d4155157242b2f4ce02a88b6ca2d1922651036165

                          • C:\Windows\Installer\MSI8A28.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

                          • C:\Windows\Installer\MSI8A28.tmp
                            Filesize

                            141KB

                            MD5

                            4ba8ef50ce73395ad623c770c10e35a7

                            SHA1

                            63600584c296c0cbe1775a759c34ab384e1bbf76

                            SHA256

                            6094c813ca4bd0c647b950ba286bd338ef3623fa953b3bcf1a359b88f7296e55

                            SHA512

                            0730585476d8ded7b363afa486733c6c234704de5cf65f1171ec727f1b826c8a228c0ff5f6f6c219a220ea1794c4c462ab1d45ca48cb62e5eea94dd850ae4206

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

                            404KB

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

                            320KB

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

                            404KB

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

                            4KB

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

                            12KB

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

                            12KB

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

                            404KB

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

                            404KB