Overview

overview

8

Static

static

b3c971bce8...40.exe

windows7_x64

8

b3c971bce8...40.exe

windows10_x64

8

Analysis

  • max time kernel
    138s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    29-07-2020 06:30

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General

  • Target

    b3c971bce842a6f20ec56123c7d47740.exe

  • Size

    1.2MB

  • MD5

    b3c971bce842a6f20ec56123c7d47740

  • SHA1

    c8d22296c07888840c6723a665040f5586226c99

  • SHA256

    1338ec3c61a55f530cb2318bcf4bab95b5057212e65269a5768dd1de72cedf11

  • SHA512

    a0e30dc718905e9db4dd137b8fb1758aa9ed6657b615f4b3ddfbe0394ea27bbdda03c1757f64d60c0a77245ce97de01e61742c9059c2202aa5b2a9a6c3ae12db

Score
8/10
persistence

Malware Config

Signatures

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Blacklisted process makes network request 2 IoCs
  • NTFS ADS 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Loads dropped DLL 10 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs
  • Executes dropped EXE 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3c971bce842a6f20ec56123c7d47740.exe
    "C:\Users\Admin\AppData\Local\Temp\b3c971bce842a6f20ec56123c7d47740.exe"
    1⤵
    • NTFS ADS
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1612
    • \??\c:\programdata\1321ba6d1f\bdif.exe
      c:\programdata\1321ba6d1f\bdif.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:364
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v cred /t REG_SZ /d "rundll32 C:\Users\Admin\AppData\Local\Temp\cred.dll, Main"
        3⤵
        • Adds Run key to start application
        PID:1892
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\cred.dll, Main
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Blacklisted process makes network request
        • Loads dropped DLL
        PID:1904
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v scr /t REG_SZ /d "rundll32 C:\Users\Admin\AppData\Local\Temp\scr.dll, Main"
        3⤵
        • Adds Run key to start application
        PID:1960
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe C:\Users\Admin\AppData\Local\Temp\scr.dll, Main
        3⤵
        • Blacklisted process makes network request
        • Loads dropped DLL
        PID:1956
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /C SCHTASKS /Create /SC HOURLY /MO 1 /TN a174c1ef10e2077451f5b6dda83242a1 /TR c:\programdata\1321ba6d1f\bdif.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1488
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS /Create /SC HOURLY /MO 1 /TN a174c1ef10e2077451f5b6dda83242a1 /TR c:\programdata\1321ba6d1f\bdif.exe
          4⤵
          • Creates scheduled task(s)
          PID:276
      • C:\Windows\SysWOW64\REG.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d c:\programdata\1321ba6d1f
        3⤵
          PID:528

    Network

    MITRE ATT&CK Enterprise v6

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    Downloads