Overview

overview

10

Static

static

b4637d8c2f...f8.exe

windows7_x64

10

b4637d8c2f...f8.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    99s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    08-05-2022 06:32

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General

  • Target

    b4637d8c2f3a8b0813beed94e56d3d62ade0ab6d586772e9e9ea26eb36cab6f8.exe

  • Size

    534KB

  • MD5

    11f1043d656671413dd38e9d6c181942

  • SHA1

    fe8d89533767022425d9dde40b282fd28dd4ec6a

  • SHA256

    b4637d8c2f3a8b0813beed94e56d3d62ade0ab6d586772e9e9ea26eb36cab6f8

  • SHA512

    fda614e59164b6c528f7e60dc8b34ae95e9454db97c46aa0f53f9e65a6fbe7449710b5a86b3206f493d3e34317735a54c5c13361dbc9fb6c3221c4ced12e4ba5

Score
10/10
echeloncollectiondiscoveryspywarestealer

Malware Config

Signatures

  • Echelon

    Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.

    stealerspywareechelon
  • Echelon log file 1 IoCs

    Detects a log file produced by Echelon.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Looks up external IP address via web service 4 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 55 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4637d8c2f3a8b0813beed94e56d3d62ade0ab6d586772e9e9ea26eb36cab6f8.exe
    "C:\Users\Admin\AppData\Local\Temp\b4637d8c2f3a8b0813beed94e56d3d62ade0ab6d586772e9e9ea26eb36cab6f8.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • outlook_office_path
    • outlook_win_path
    PID:1500
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 1500 -s 1312
      2⤵
      • Program crash
      PID:1728

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1500-54-0x0000000001090000-0x000000000111C000-memory.dmp
    Filesize

    560KB

    Download
  • memory/1500-55-0x000000001AD50000-0x000000001AE60000-memory.dmp
    Filesize

    1.1MB

    Download
  • memory/1500-56-0x000000001AF36000-0x000000001AF55000-memory.dmp
    Filesize

    124KB

    Download
  • memory/1728-57-0x0000000000000000-mapping.dmp
    Download