Analysis

  • max time kernel
    128s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-08-2022 05:06

General

  • Target

    c.exe

  • Size

    68KB

  • MD5

    e1f2bab0f7d22fed80ad59fd5c164dc1

  • SHA1

    586afa9c3bdbbd0a326b569dcab9363f1278e38c

  • SHA256

    d759e1ec1af4392131aa3aa7f8446f8078d16bb3405b12ed62f123aca95c969c

  • SHA512

    a50ddedff971b2ae6d9d9fc5669f2fc9cb94494fa647c2ea4ea2072b5b5c3c6a06e766774656294265cc8356d1c1dc50dc0f6896868c01ed30cd633cd1048551

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 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c.exe
    "C:\Users\Admin\AppData\Local\Temp\c.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Drops file in System32 directory
    PID:1380
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "WindowsSystem32"
    1⤵
      PID:2704
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "WindowsSystem32"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\SysWOW64\WindowsSystem32.exe
        C:\Windows\system32\WindowsSystem32.exe "c:\users\admin\appdata\local\temp\240573296.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2296

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\240573296.dll

      Filesize

      37KB

      MD5

      5237af4ad711204e8f3cb7aa48b5b50a

      SHA1

      beac930860f76be9c529bdd949b88fb4827197c4

      SHA256

      7c62786ad6f16a3b63c0fd5809d58552b6de4c935d01f05048484248120813c1

      SHA512

      20f90a791ae191096cb1dadcb96f01c9bbd38a3d0d21a3e6812f4a5811f46ccb80e5f10f2a59d7af23cd35557630b5cbf19d9286646a28673745efe5bf1228de

    • C:\Users\Admin\AppData\Local\Temp\240573296.dll

      Filesize

      37KB

      MD5

      5237af4ad711204e8f3cb7aa48b5b50a

      SHA1

      beac930860f76be9c529bdd949b88fb4827197c4

      SHA256

      7c62786ad6f16a3b63c0fd5809d58552b6de4c935d01f05048484248120813c1

      SHA512

      20f90a791ae191096cb1dadcb96f01c9bbd38a3d0d21a3e6812f4a5811f46ccb80e5f10f2a59d7af23cd35557630b5cbf19d9286646a28673745efe5bf1228de

    • C:\Users\Admin\AppData\Local\Temp\240573296.dll

      Filesize

      37KB

      MD5

      5237af4ad711204e8f3cb7aa48b5b50a

      SHA1

      beac930860f76be9c529bdd949b88fb4827197c4

      SHA256

      7c62786ad6f16a3b63c0fd5809d58552b6de4c935d01f05048484248120813c1

      SHA512

      20f90a791ae191096cb1dadcb96f01c9bbd38a3d0d21a3e6812f4a5811f46ccb80e5f10f2a59d7af23cd35557630b5cbf19d9286646a28673745efe5bf1228de

    • C:\Users\Admin\AppData\Local\Temp\240573296.dll

      Filesize

      37KB

      MD5

      5237af4ad711204e8f3cb7aa48b5b50a

      SHA1

      beac930860f76be9c529bdd949b88fb4827197c4

      SHA256

      7c62786ad6f16a3b63c0fd5809d58552b6de4c935d01f05048484248120813c1

      SHA512

      20f90a791ae191096cb1dadcb96f01c9bbd38a3d0d21a3e6812f4a5811f46ccb80e5f10f2a59d7af23cd35557630b5cbf19d9286646a28673745efe5bf1228de

    • C:\Windows\SysWOW64\WindowsSystem32.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • C:\Windows\SysWOW64\WindowsSystem32.exe

      Filesize

      60KB

      MD5

      889b99c52a60dd49227c5e485a016679

      SHA1

      8fa889e456aa646a4d0a4349977430ce5fa5e2d7

      SHA256

      6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

      SHA512

      08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

    • \??\c:\users\admin\appdata\local\temp\240573296.dll

      Filesize

      37KB

      MD5

      5237af4ad711204e8f3cb7aa48b5b50a

      SHA1

      beac930860f76be9c529bdd949b88fb4827197c4

      SHA256

      7c62786ad6f16a3b63c0fd5809d58552b6de4c935d01f05048484248120813c1

      SHA512

      20f90a791ae191096cb1dadcb96f01c9bbd38a3d0d21a3e6812f4a5811f46ccb80e5f10f2a59d7af23cd35557630b5cbf19d9286646a28673745efe5bf1228de

    • memory/1380-130-0x0000000010000000-0x000000001000F000-memory.dmp

      Filesize

      60KB

    • memory/1380-136-0x0000000000590000-0x000000000059D000-memory.dmp

      Filesize

      52KB

    • memory/2296-139-0x0000000000000000-mapping.dmp