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Overview

overview

10

Static

static

purchase order.exe

windows7_x64

10

purchase order.exe

windows10_x64

10

Analysis

  • max time kernel
    135s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    07/07/2020, 09:51

Sharing

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General

  • Target

    purchase order.exe

  • Size

    482KB

  • MD5

    cc8dd999e2986f15641dfad4362cf2a7

  • SHA1

    abeb848ddcfba06a03ba90f4c55e28c56e47494c

  • SHA256

    b6eecf6385766748acdbd8b0b350d9344f775495a0ca62a1dcca578d2b6100ca

  • SHA512

    e43349ee45e8bed299a1cdbd0485f454f3c2dcc4f795e788541dc47860dda859584d34baef4306f4140783f9f39b6e6cb6f42da47e99428168511a0d59c147c0

Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1312
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PZDaFZwtnXm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF3C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1768
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:864

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/864-2-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

    Download

  • memory/864-4-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

    Download

  • memory/864-5-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

    Download