Overview

overview

10

Static

static

10

th520.exe

windows7_x64

10

th520.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    11/02/2021, 08:50

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General

  • Target
    th520.exe
  • Size 96KB
  • Sample210211-b3vr83s2n2
  • SHA256 31d5bcd2e4ecd330a56fbef1826e7201532311c9a57ee44352a746ea8271a778
  • MD5 SHA1 SHA512
Score
10/10
runningratpersistencerat

Malware Config

Signatures

  • RunningRat

    RunningRat is a remote access trojan first seen in 2018.

    ratrunningrat
  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs
    persistence
  • Loads dropped DLL 7 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\th520.exe
    "C:\Users\Admin\AppData\Local\Temp\th520.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:528
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
    1⤵
      PID:1856
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "SRDSL"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1840
      • C:\Windows\SysWOW64\SRDSL.exe
        C:\Windows\system32\SRDSL.exe "c:\users\admin\appdata\local\temp\259288356.dll",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1288

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/528-2-0x0000000075D01000-0x0000000075D03000-memory.dmp
          Download