Analysis

  • max time kernel
    136s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    13/07/2021, 16:50

General

  • Target
    823.exe
  • Size 857KB
  • Sample210713-ef5thwxfln
  • SHA256 fd7e560247eb18e1a27cfd3c46f10c06bcae05562df4b2862ec53caa76e80422
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • http://ahrend-cz.com/win/inc/f462c05ed33f1c.php

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\823.exe
    "C:\Users\Admin\AppData\Local\Temp\823.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3956

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2752-114-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

        memory/2752-116-0x00000000056D0000-0x00000000056D1000-memory.dmp

        memory/2752-117-0x0000000005C70000-0x0000000005C71000-memory.dmp

        memory/2752-118-0x0000000005770000-0x0000000005771000-memory.dmp

        memory/2752-119-0x00000000055B0000-0x00000000055B1000-memory.dmp

        memory/2752-120-0x00000000058D0000-0x00000000058D1000-memory.dmp

        memory/2752-121-0x00000000055E0000-0x00000000055E1000-memory.dmp

        memory/2752-122-0x00000000050D0000-0x00000000050E0000-memory.dmp

        memory/2752-123-0x0000000008DF0000-0x0000000008E8F000-memory.dmp

        memory/2752-124-0x0000000008E90000-0x0000000008EEB000-memory.dmp

        memory/3956-125-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/3956-134-0x00000000090E0000-0x00000000090E1000-memory.dmp

        memory/3956-135-0x0000000000AF0000-0x0000000000AF1000-memory.dmp

        memory/3956-136-0x0000000009590000-0x0000000009591000-memory.dmp