Analysis

  • max time kernel
    135s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2023 09:16

General

  • Target

    895a942770bb5e586cab205fd2735c0c1226144555740d5c94650dde213da8fc.exe

  • Size

    76KB

  • MD5

    037247624f4a3e9437b2dfa0a19a0cc8

  • SHA1

    2edabe9247d20418c0fdb20c9f0660bb30c70c8c

  • SHA256

    895a942770bb5e586cab205fd2735c0c1226144555740d5c94650dde213da8fc

  • SHA512

    1e957a569616ec61ce2e2fe7f9185aa150916dd6097cb6ae24247614e800ad01903a3a03cb2325772e672da722ca447f9fb7e8e6f42bfd83dd98d22cde080639

  • SSDEEP

    768:Z1zRSL+BoBxN9tpdC7EezJ0d8hPUtrFRtFtg3NojiwvuccA4iiKahtAZchKD6EWr:l3oBdk7ESuqhParNMKnFfiroZchUfSF

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Creates a Windows Service
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\895a942770bb5e586cab205fd2735c0c1226144555740d5c94650dde213da8fc.exe
    "C:\Users\Admin\AppData\Local\Temp\895a942770bb5e586cab205fd2735c0c1226144555740d5c94650dde213da8fc.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 -n 1 && del /f/q "C:\Users\Admin\AppData\Local\Temp\895a942770bb5e586cab205fd2735c0c1226144555740d5c94650dde213da8fc.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3772
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • Runs ping.exe
        PID:1948
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SRDSLRemote"
    1⤵
      PID:232
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SRDSLRemote"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Windows\SysWOW64\SRDSLRemote.exe
        C:\Windows\system32\SRDSLRemote.exe "c:\users\admin\appdata\local\temp\240619625.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2784

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\240619625.dll

      Filesize

      33KB

      MD5

      655a0049a316dcac44a369b83582230a

      SHA1

      c5bee1bb86dee75206e82a11f8ea959a2efcc270

      SHA256

      f622618f212f3494b79e099ff1577ce05bd620292560cfd9274ed660e1ae6417

      SHA512

      ac922b8bd70cc436218378c97155ee7b48fb484383fc1d1f03b9d0b407d262b0a2b4380958454a625a3d531befa77a3fec58378b84e2bb27a8c17dd28a34e083

    • C:\Users\Admin\AppData\Local\Temp\240619625.dll

      Filesize

      33KB

      MD5

      655a0049a316dcac44a369b83582230a

      SHA1

      c5bee1bb86dee75206e82a11f8ea959a2efcc270

      SHA256

      f622618f212f3494b79e099ff1577ce05bd620292560cfd9274ed660e1ae6417

      SHA512

      ac922b8bd70cc436218378c97155ee7b48fb484383fc1d1f03b9d0b407d262b0a2b4380958454a625a3d531befa77a3fec58378b84e2bb27a8c17dd28a34e083

    • C:\Users\Admin\AppData\Local\Temp\240619625.dll

      Filesize

      33KB

      MD5

      655a0049a316dcac44a369b83582230a

      SHA1

      c5bee1bb86dee75206e82a11f8ea959a2efcc270

      SHA256

      f622618f212f3494b79e099ff1577ce05bd620292560cfd9274ed660e1ae6417

      SHA512

      ac922b8bd70cc436218378c97155ee7b48fb484383fc1d1f03b9d0b407d262b0a2b4380958454a625a3d531befa77a3fec58378b84e2bb27a8c17dd28a34e083

    • C:\Windows\SysWOW64\SRDSLRemote.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\SysWOW64\SRDSLRemote.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • \??\c:\users\admin\appdata\local\temp\240619625.dll

      Filesize

      33KB

      MD5

      655a0049a316dcac44a369b83582230a

      SHA1

      c5bee1bb86dee75206e82a11f8ea959a2efcc270

      SHA256

      f622618f212f3494b79e099ff1577ce05bd620292560cfd9274ed660e1ae6417

      SHA512

      ac922b8bd70cc436218378c97155ee7b48fb484383fc1d1f03b9d0b407d262b0a2b4380958454a625a3d531befa77a3fec58378b84e2bb27a8c17dd28a34e083