Overview

overview

10

Static

static

SUNCOAST-E...LS.exe

windows7_x64

10

SUNCOAST-E...LS.exe

windows10_x64

10

Analysis

  • max time kernel
    61s
  • max time network
    75s
  • platform
    windows7_x64
  • resource
    win7
  • 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

Signatures

  • Suspicious use of WriteProcessMemory 8 IoCs
  • UPX packed file 6 IoCs

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

    upx
  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • 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
  • Suspicious behavior: EnumeratesProcesses 115 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • AgentTesla Payload 6 IoCs
    keyloggerstealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spyware
  • Suspicious behavior: MapViewOfSection 1 IoCs

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 use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    PID:616
    • 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:1300
    • 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 1300 65692
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:1420

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/1300-0-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/1300-1-0x00000000004A2620-mapping.dmp
    Download
  • memory/1300-2-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/1300-4-0x0000000000400000-0x00000000004A4000-memory.dmp
    Filesize

    656KB

    Download
  • memory/1300-5-0x0000000000340000-0x000000000038C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1300-6-0x0000000001FA2000-0x0000000001FA3000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1300-7-0x0000000000220000-0x0000000000266000-memory.dmp
    Filesize

    280KB

    Download
  • memory/1420-3-0x0000000000000000-mapping.dmp
    Download