Overview

overview

10

Static

static

5aa6dbe2ea...4d.exe

windows7_x64

10

5aa6dbe2ea...4d.exe

windows10_x64

10

Analysis

  • max time kernel
    62s
  • max time network
    14s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:26

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General

  • Target

    5aa6dbe2ea7acf2d2d09c9a7aa95c74d.exe

  • Size

    642KB

  • MD5

    5aa6dbe2ea7acf2d2d09c9a7aa95c74d

  • SHA1

    400a222a2061648f048c256ba19c0a5f4978b8ea

  • SHA256

    3e126eedc02526ba804d9351d6d9b1a6da2114510f98b4235662ab6fdb024bbf

  • SHA512

    6c3ea0957d50e4f39177fe9098c997587bf2b1d1886e2c2168e2e663505d63b9cb61162c7bb2ebe2ae42a09aff75857001eb22ae46231174db8f34515674e957

Score
10/10
agentteslacoreentitykeyloggerrezer0spywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    emiliobianchi@yandex.com
  • Password:
    hardwork17

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • CoreEntity .NET Packer 1 IoCs

    A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    coreentity
  • AgentTesla Payload 4 IoCs
  • rezer0 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

    rezer0
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spyware
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5aa6dbe2ea7acf2d2d09c9a7aa95c74d.exe
    "C:\Users\Admin\AppData\Local\Temp\5aa6dbe2ea7acf2d2d09c9a7aa95c74d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\huqLmghXfAwL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp17F4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1156
    • C:\Users\Admin\AppData\Local\Temp\5aa6dbe2ea7acf2d2d09c9a7aa95c74d.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1680

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Data from Local System

    3
    T1005

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp17F4.tmp
      MD5

      dbc245bb6e4a1637370515d5d1e8c339

      SHA1

      54cc4216c509bd50223ad3edee2b3bb6eee8741c

      SHA256

      e4abd2d8140a4400ca60da862226a6674c10c0814baad5e52cbfdd076ad767c9

      SHA512

      8eff7e56ec9adc261e5eab82b980dc3c906b718279719a66887696d5fe66c9c0d599631320b24cd4bba2ca5bf34d605edd51665c475a11d92876fd531351a6f1

      Download Submit
    • memory/1156-13-0x0000000000000000-mapping.dmp
      Download
    • memory/1680-25-0x0000000000000000-mapping.dmp
      Download
    • memory/1824-18-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1824-16-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1824-17-0x000000000044C3EE-mapping.dmp
      Download
    • memory/1824-19-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1824-20-0x00000000741A0000-0x000000007488E000-memory.dmp
      Filesize

      6.9MB

      Download
    • memory/1892-11-0x0000000000480000-0x00000000004D2000-memory.dmp
      Filesize

      328KB

      Download
    • memory/1892-10-0x0000000000370000-0x0000000000372000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1892-3-0x00000000005F0000-0x000000000065F000-memory.dmp
      Filesize

      444KB

      Download
    • memory/1892-0-0x00000000741A0000-0x000000007488E000-memory.dmp
      Filesize

      6.9MB

      Download
    • memory/1892-21-0x0000000000350000-0x0000000000360000-memory.dmp
      Filesize

      64KB

      Download
    • memory/1892-1-0x0000000001010000-0x0000000001011000-memory.dmp
      Filesize

      4KB

      Download