Analysis

  • max time kernel
    146s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2022 11:36

General

  • Target

    1.exe

  • Size

    68KB

  • MD5

    93dff428b7ecfc0e4320d5190bd095b4

  • SHA1

    2c8b2fbc863bdbbbe9ec69ec4ca0cefa5afef503

  • SHA256

    76d00037ad0e19a299b97f7781affae6c33254887d0068dd7d13a34cc3d26297

  • SHA512

    a77712c3f40a0ab0ef7bfd8927f5815d1c2d506cd5013fe44a392b1f585e889001ce48e424415c4fbd0598877fd9def3a26e1d24f27731e070d34dffb1b6ba58

  • SSDEEP

    768:BCB8S+OR7dOahyoHokBtqN74W7bZZmYb9PyzcjRlYlwa6NVdkPnJJMINEV:BHJaAoHoc2x7bZoYBAcQlwJdMC

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • RunningRat payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1.exe
    "C:\Users\Admin\AppData\Local\Temp\1.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Drops file in System32 directory
    PID:4888
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SRDSLS"
    1⤵
      PID:4108
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SRDSLS"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:444
      • C:\Windows\SysWOW64\SRDSLS.exe
        C:\Windows\system32\SRDSLS.exe "c:\windows\system32\240562484.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2440

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\240562484.dll

      Filesize

      37KB

      MD5

      164715ebaa909f51ca71773f920f7309

      SHA1

      25391b5a4e70a18146860922dd167a16e1561541

      SHA256

      169d74f19b79a6e0bdcc79386517b784870f9a6d4e3ff0174ddd03436f7496d7

      SHA512

      2ead5f0d370e72e942031cd8777deff76adaa03b2f17d1c556f622326271da19a5d29d5f84e55b885fbb6305b99a4f51f5015e0fd71d0936ce301d89f31cb826

    • C:\Windows\SysWOW64\240562484.dll

      Filesize

      37KB

      MD5

      164715ebaa909f51ca71773f920f7309

      SHA1

      25391b5a4e70a18146860922dd167a16e1561541

      SHA256

      169d74f19b79a6e0bdcc79386517b784870f9a6d4e3ff0174ddd03436f7496d7

      SHA512

      2ead5f0d370e72e942031cd8777deff76adaa03b2f17d1c556f622326271da19a5d29d5f84e55b885fbb6305b99a4f51f5015e0fd71d0936ce301d89f31cb826

    • C:\Windows\SysWOW64\240562484.dll

      Filesize

      37KB

      MD5

      164715ebaa909f51ca71773f920f7309

      SHA1

      25391b5a4e70a18146860922dd167a16e1561541

      SHA256

      169d74f19b79a6e0bdcc79386517b784870f9a6d4e3ff0174ddd03436f7496d7

      SHA512

      2ead5f0d370e72e942031cd8777deff76adaa03b2f17d1c556f622326271da19a5d29d5f84e55b885fbb6305b99a4f51f5015e0fd71d0936ce301d89f31cb826

    • C:\Windows\SysWOW64\240562484.dll

      Filesize

      37KB

      MD5

      164715ebaa909f51ca71773f920f7309

      SHA1

      25391b5a4e70a18146860922dd167a16e1561541

      SHA256

      169d74f19b79a6e0bdcc79386517b784870f9a6d4e3ff0174ddd03436f7496d7

      SHA512

      2ead5f0d370e72e942031cd8777deff76adaa03b2f17d1c556f622326271da19a5d29d5f84e55b885fbb6305b99a4f51f5015e0fd71d0936ce301d89f31cb826

    • C:\Windows\SysWOW64\SRDSLS.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\SysWOW64\SRDSLS.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • \??\c:\windows\SysWOW64\240562484.dll

      Filesize

      37KB

      MD5

      164715ebaa909f51ca71773f920f7309

      SHA1

      25391b5a4e70a18146860922dd167a16e1561541

      SHA256

      169d74f19b79a6e0bdcc79386517b784870f9a6d4e3ff0174ddd03436f7496d7

      SHA512

      2ead5f0d370e72e942031cd8777deff76adaa03b2f17d1c556f622326271da19a5d29d5f84e55b885fbb6305b99a4f51f5015e0fd71d0936ce301d89f31cb826

    • memory/2440-141-0x0000000000000000-mapping.dmp

    • memory/4888-132-0x0000000010000000-0x000000001000F000-memory.dmp

      Filesize

      60KB

    • memory/4888-138-0x00000000005C0000-0x00000000005CD000-memory.dmp

      Filesize

      52KB