Analysis

  • max time kernel
    34s
  • max time network
    56s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    23/07/2021, 12:13

General

  • Target
    eeae2478ca347e298e5a5fcff86d6a2d.exe
  • Size 196KB
  • Sample210723-b7rwqrfabe
  • SHA256 9ce0badabe7e5103187aa6033333ac2a92ceb201f855f86c8d62febb49fb253e
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eeae2478ca347e298e5a5fcff86d6a2d.exe
    "C:\Users\Admin\AppData\Local\Temp\eeae2478ca347e298e5a5fcff86d6a2d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\schtasks.exe
      /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1452
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {1939B583-ECCF-4A08-B23D-BFAB7FE42B8E} S-1-5-21-2513283230-931923277-594887482-1000:MRBKYMNO\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:472
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\sqlcmd.exe"
        3⤵
        • Creates scheduled task(s)
        PID:1412

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/472-68-0x0000000000400000-0x000000000089B000-memory.dmp

        memory/1676-59-0x00000000767B1000-0x00000000767B3000-memory.dmp

        memory/1676-61-0x0000000000220000-0x0000000000224000-memory.dmp

        memory/1676-62-0x0000000000400000-0x000000000089B000-memory.dmp