Analysis

  • max time kernel
    125s
  • max time network
    20s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    04-05-2021 15:26

General

  • Target

    ATuRNgegI7kl7Ua.exe

  • Size

    666KB

  • MD5

    ec217acdf26636dd01ccba3dc7df5066

  • SHA1

    768c321ffe79e38f92682477a2b9b0e6122721ab

  • SHA256

    e27c7feb3112b0f8d3aa4195962fc2c430074179cbf6811874b49691c486e26f

  • SHA512

    e317158e54d3eb664fd4a9d8b79dc29f1d8c66d4213f311b31fcc37c575bcea5b0fb6674441f464360fdf7aadf337c199abaf4193a8cd63c5d90d2c76b3314c7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.chefoowork.com
  • Port:
    587
  • Username:
    victo@chefoowork.com
  • Password:
    Yi-yIzLFE-*b

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe
    "C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe
      "C:\Users\Admin\AppData\Local\Temp\ATuRNgegI7kl7Ua.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1596

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1596-68-0x00000000004374DE-mapping.dmp
  • memory/1596-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1596-69-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1596-71-0x0000000004B60000-0x0000000004B61000-memory.dmp
    Filesize

    4KB

  • memory/1776-59-0x00000000012E0000-0x00000000012E1000-memory.dmp
    Filesize

    4KB

  • memory/1776-61-0x0000000004840000-0x0000000004841000-memory.dmp
    Filesize

    4KB

  • memory/1776-62-0x0000000004841000-0x0000000004842000-memory.dmp
    Filesize

    4KB

  • memory/1776-63-0x0000000000650000-0x000000000065E000-memory.dmp
    Filesize

    56KB

  • memory/1776-64-0x0000000004842000-0x0000000004843000-memory.dmp
    Filesize

    4KB

  • memory/1776-65-0x0000000005D00000-0x0000000005D79000-memory.dmp
    Filesize

    484KB

  • memory/1776-66-0x0000000000A30000-0x0000000000A6E000-memory.dmp
    Filesize

    248KB