Analysis

  • max time kernel
    150s
  • max time network
    10s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    25/03/2021, 14:55

General

  • Target
    8f5603abf955b12d55fe6e763ac4fde3.exe
  • Size 959KB
  • Sample210325-ldpanf4ewe
  • SHA256 2302969f8ff5abb62c46d76a401ee04542ecfdce39eea660d65afefef6d787ce
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.privateemail.com

  • Port

    587

  • Password

    @Mexico1.,

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 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.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f5603abf955b12d55fe6e763ac4fde3.exe
    "C:\Users\Admin\AppData\Local\Temp\8f5603abf955b12d55fe6e763ac4fde3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1904
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VJUOJcpxBEkpxW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2DA5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1504
    • C:\Users\Admin\AppData\Local\Temp\8f5603abf955b12d55fe6e763ac4fde3.exe
      "C:\Users\Admin\AppData\Local\Temp\8f5603abf955b12d55fe6e763ac4fde3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1216

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1216-10-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1216-12-0x00000000741A0000-0x000000007488E000-memory.dmp

        memory/1216-13-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1216-15-0x0000000004B00000-0x0000000004B01000-memory.dmp

        memory/1904-2-0x00000000741A0000-0x000000007488E000-memory.dmp

        memory/1904-3-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

        memory/1904-5-0x0000000000360000-0x000000000036B000-memory.dmp

        memory/1904-6-0x0000000004E40000-0x0000000004E41000-memory.dmp

        memory/1904-7-0x00000000048C0000-0x0000000004939000-memory.dmp