Analysis

  • max time kernel
    105s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    31/08/2020, 12:15

General

  • Target
    ogga.exe
  • Size 719KB
  • Sample200831-ynb92qq5tn
  • SHA256 0b984d3e8a150589d7f295c6009cd856e360e44f6fe5729e18e4759536a9bd0e
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.privateemail.com

  • Port

    587

  • Password

    whyworry.,

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ogga.exe
    "C:\Users\Admin\AppData\Local\Temp\ogga.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lwDZQrobzoY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp707E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2700
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:780
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    PID:3956

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/780-20-0x0000000005520000-0x0000000005521000-memory.dmp

        memory/780-19-0x0000000004E00000-0x0000000004E01000-memory.dmp

        memory/780-14-0x0000000073A00000-0x00000000740EE000-memory.dmp

        memory/780-12-0x0000000000400000-0x0000000000466000-memory.dmp

        memory/1052-5-0x0000000005060000-0x0000000005061000-memory.dmp

        memory/1052-8-0x0000000008830000-0x0000000008831000-memory.dmp

        memory/1052-9-0x0000000006DF0000-0x0000000006E8C000-memory.dmp

        memory/1052-7-0x00000000086F0000-0x000000000878D000-memory.dmp

        memory/1052-6-0x0000000005310000-0x0000000005313000-memory.dmp

        memory/1052-0-0x0000000073A00000-0x00000000740EE000-memory.dmp

        memory/1052-4-0x0000000005170000-0x0000000005171000-memory.dmp

        memory/1052-3-0x0000000005670000-0x0000000005671000-memory.dmp

        memory/1052-1-0x0000000000780000-0x0000000000781000-memory.dmp