Analysis

  • max time kernel
    140s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    15-06-2024 10:32

General

  • Target

    b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe

  • Size

    48KB

  • MD5

    2b6bdd0a18e76a5df3a867a49f951125

  • SHA1

    f0286405e8c8efb11ad4d30b29f32268ea747c09

  • SHA256

    b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f

  • SHA512

    ef06c218ad5daf8437fda94c991a4ba86e3bdfd7ef55b64d8fdbe4657bb7acf512c42e7158cce17943a3aa437f96d294dae6eeb908d1f8acacdc4ddb25f27915

  • SSDEEP

    768:zynb12Aw5J6HC4kq5Jp9bjAzhyY55J+NStcEeUlyqgZl4p67ahPC:Ub1MsHz3JDwhyWr+N95OTga6Z

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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe
    "C:\Users\Admin\AppData\Local\Temp\b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.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:2140
    • 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\b6e1c130d2b9f81e9457197727bb12e29093f29bf80408c2351bbad8cf821d4f.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:2924
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • Runs ping.exe
        PID:2668
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
    1⤵
      PID:3060
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Windows\SysWOW64\Simullatis.exe
        C:\Windows\system32\Simullatis.exe "c:\users\admin\appdata\local\temp\259395077.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • \Users\Admin\AppData\Local\Temp\259395077.dll

      Filesize

      25KB

      MD5

      da3dd69dae8627334a8479f60eeb082e

      SHA1

      35c550902e5c0e6297785c367c2d638dda23404e

      SHA256

      03bc8caca1bab6d14d7eac1dde331df3be91aec47c51c7ddf6646deab028d17e

      SHA512

      b09e6175513d2e75119a67741f6d694722be511b317bd30efed30b4961dc945a97ce6baccc1282a412adaea31d60679183d3a15e7564c04c5dcad712650c5d3c

    • \Windows\SysWOW64\Simullatis.exe

      Filesize

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d