Overview

overview

10

Static

static

3

ef34d546cf...33.exe

windows7-x64

10

ef34d546cf...33.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ef34d546cf921e14c5a2508f616f03b237ee32b61184778e668b2175af086733

  • Size

    3.0MB

  • Sample

    240701-e1w9yswdre

  • MD5

    ee3f168d7d032b8ccce800b8bd63214b

  • SHA1

    46c7808867be5eab309eb53dcf735827d4f59d95

  • SHA256

    ef34d546cf921e14c5a2508f616f03b237ee32b61184778e668b2175af086733

  • SHA512

    e75ac3f0bafdc2d825fae6d50443a8efcfd8fd70816b81673aee6bc4f4fc39d563766586555874056883b4f1b0e55e99d2023152c8ddeedbf4897a353b2c56a1

  • SSDEEP

    98304:pjlpHBlcfV6F0ozPrJKhZg+SWPzuNwOyoSe:pjlDlqsF90g+SWPWv

Score
10/10
persistencespywarestealer

Malware Config

Targets

    • Target

      ef34d546cf921e14c5a2508f616f03b237ee32b61184778e668b2175af086733

    • Size

      3.0MB

    • MD5

      ee3f168d7d032b8ccce800b8bd63214b

    • SHA1

      46c7808867be5eab309eb53dcf735827d4f59d95

    • SHA256

      ef34d546cf921e14c5a2508f616f03b237ee32b61184778e668b2175af086733

    • SHA512

      e75ac3f0bafdc2d825fae6d50443a8efcfd8fd70816b81673aee6bc4f4fc39d563766586555874056883b4f1b0e55e99d2023152c8ddeedbf4897a353b2c56a1

    • SSDEEP

      98304:pjlpHBlcfV6F0ozPrJKhZg+SWPzuNwOyoSe:pjlDlqsF90g+SWPWv

    Score
    10/10
    persistencespywarestealer

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Detects executables packed with unregistered version of .NET Reactor

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks