Analysis

  • max time kernel
    83s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 19:52

General

  • Target
    4d679eb00bb6782f97365a2190baaac4.exe
  • Size 664KB
  • Sample201109-gp739m3mce
  • SHA256 23b3667187a6f5abd57a39d6c91b1e7fd2d262a0cdac965e1ec368274ef465ff
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.flood-protection.org

  • Port

    587

  • Password

    dashilor2424@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4d679eb00bb6782f97365a2190baaac4.exe
    "C:\Users\Admin\AppData\Local\Temp\4d679eb00bb6782f97365a2190baaac4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Users\Admin\AppData\Local\Temp\4d679eb00bb6782f97365a2190baaac4.exe
      "C:\Users\Admin\AppData\Local\Temp\4d679eb00bb6782f97365a2190baaac4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1188

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1188-7-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/1188-9-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/1188-10-0x0000000000400000-0x0000000000450000-memory.dmp

        memory/1188-11-0x0000000074670000-0x0000000074D5E000-memory.dmp

        memory/1588-0-0x0000000074670000-0x0000000074D5E000-memory.dmp

        memory/1588-1-0x0000000001240000-0x0000000001241000-memory.dmp

        memory/1588-3-0x0000000000280000-0x000000000028F000-memory.dmp

        memory/1588-4-0x00000000002A0000-0x00000000002A2000-memory.dmp

        memory/1588-5-0x0000000000910000-0x0000000000912000-memory.dmp

        memory/1588-6-0x0000000000960000-0x0000000000963000-memory.dmp