Overview

overview

10

Static

static

SUNCOAST-E...LS.exe

windows7_x64

10

SUNCOAST-E...LS.exe

windows10_x64

10

Analysis

  • max time kernel
    140s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    31-07-2020 12:17

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General

  • Target

    SUNCOAST-EML-purchase order.XLS.exe

  • Size

    713KB

  • MD5

    3164d8e04cf02f6fa03324c08fae47d3

  • SHA1

    590629b3683dfc7f02e905cde2be966ef635fa72

  • SHA256

    bee273e8651fb168e330da50d83a3e4ad3769692d365d20f0cd9e1afbe13bcb0

  • SHA512

    85087ce8d1afb9065523fefa3ac67aced7649e3c6df8f954f7ffcc12074d45789778bf95205716509b5f4a7b48aa500f70a2e6a0e1647e62b9931d8c4a90b807

Score
10/10
upxkeyloggerstealerspywaretrojanagenttesla

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    mobile.mailer@yandex.com
  • Password:
    qwerty123@

Signatures

  • Suspicious behavior: EnumeratesProcesses 224 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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
  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • AgentTesla Payload 4 IoCs
    keyloggerstealer
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware

Processes

  • C:\Users\Admin\AppData\Local\Temp\SUNCOAST-EML-purchase order.XLS.exe
    "C:\Users\Admin\AppData\Local\Temp\SUNCOAST-EML-purchase order.XLS.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Users\Admin\AppData\Local\Temp\SUNCOAST-EML-purchase order.XLS.exe
      "C:\Users\Admin\AppData\Local\Temp\SUNCOAST-EML-purchase order.XLS.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3892
    • C:\Users\Admin\AppData\Local\Temp\SUNCOAST-EML-purchase order.XLS.exe
      "C:\Users\Admin\AppData\Local\Temp\SUNCOAST-EML-purchase order.XLS.exe" 2 3892 53328
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3884

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/3884-2-0x0000000000000000-mapping.dmp
    Download
  • memory/3892-0-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/3892-1-0x00000000004A2620-mapping.dmp
    Download
  • memory/3892-3-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/3892-4-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/3892-5-0x00000000009E0000-0x0000000000A2C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3892-6-0x0000000000812000-0x0000000000813000-memory.dmp
    Filesize

    4KB

    Download