Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09-07-2020 11:15

General

  • Target

    f434312e8ce38172180f281f6b3951879e82f42a07362f89179d91ded810feea.exe

  • Size

    188KB

  • MD5

    4bb3e58d375714e27744d106143cf61b

  • SHA1

    802803b91e9439c5bc0a59f73629d2a191e9f4dc

  • SHA256

    f434312e8ce38172180f281f6b3951879e82f42a07362f89179d91ded810feea

  • SHA512

    64cf58bbc58f05d6d08bdf59ce5b7496bf4a4ae97135d8a96c4ed6af7ae319a2b146d79059ff718d481f26198b1f80874fb7111c8bd79fda039e21db3f9424f7

Malware Config

Signatures

  • SamoRAT

    SamoRAT is a .NET malware used to receive and execute different commands on the infected system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies service 2 TTPs 30 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f434312e8ce38172180f281f6b3951879e82f42a07362f89179d91ded810feea.exe
    "C:\Users\Admin\AppData\Local\Temp\f434312e8ce38172180f281f6b3951879e82f42a07362f89179d91ded810feea.exe"
    1⤵
    • Modifies service
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn WinServices /tr '"C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe"' & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1072
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /f /sc onlogon /rl highest /tn WinServices /tr '"C:\Users\Admin\AppData\Local\Microsoft\Networking\WinServices.exe"'
        3⤵
        • Creates scheduled task(s)
        PID:1056
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:1856

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/900-2-0x0000000006990000-0x00000000069A1000-memory.dmp

      Filesize

      68KB

    • memory/900-3-0x0000000006990000-0x00000000069A1000-memory.dmp

      Filesize

      68KB

    • memory/900-4-0x0000000006990000-0x00000000069A1000-memory.dmp

      Filesize

      68KB

    • memory/900-5-0x00000000074B0000-0x00000000074C1000-memory.dmp

      Filesize

      68KB

    • memory/900-6-0x00000000075B0000-0x00000000075C1000-memory.dmp

      Filesize

      68KB

    • memory/1056-1-0x0000000000000000-mapping.dmp

    • memory/1072-0-0x0000000000000000-mapping.dmp