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Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    16/06/2024, 02:37

General

  • Target

    999999.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
  • 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\999999.exe
    "C:\Users\Admin\AppData\Local\Temp\999999.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:2912
    • 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\999999.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1108
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 1
        3⤵
        • Runs ping.exe
        PID:1252
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Simullatis"
    1⤵
      PID:4416
    • 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:1624
      • C:\Windows\SysWOW64\Simullatis.exe
        C:\Windows\system32\Simullatis.exe "c:\users\admin\appdata\local\temp\240606046.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:3560

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\Simullatis.exe

      Filesize

      59KB

      MD5

      f57886ace1ab4972b0308f69b1a0029c

      SHA1

      519b2a981cb522ed2b0901f9871f9aa9781a6cd5

      SHA256

      2be981b3686ee5e725583f5936f5f0a0992723cad784457f91d9d1d5a15a0852

      SHA512

      c2b3f016a8c3993771cd5709e469c9dedfa1dd35047691de5e853e2ad0ac025ec210fc6cb662c82d08f62e2c889e5060e796414a4eaf6a6c1719cdd7e5debdf8

    • \Users\Admin\AppData\Local\Temp\240606046.dll

      Filesize

      25KB

      MD5

      da3dd69dae8627334a8479f60eeb082e

      SHA1

      35c550902e5c0e6297785c367c2d638dda23404e

      SHA256

      03bc8caca1bab6d14d7eac1dde331df3be91aec47c51c7ddf6646deab028d17e

      SHA512

      b09e6175513d2e75119a67741f6d694722be511b317bd30efed30b4961dc945a97ce6baccc1282a412adaea31d60679183d3a15e7564c04c5dcad712650c5d3c