Overview

overview

10

Static

static

IMG.exe

windows7_x64

10

IMG.exe

windows10-2004_x64

6

Sharing

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General

  • Target

    11b51777fe2510a6c9c60058157e5d81a4d70a0c5f91a5360c97cc85a66c9b22

  • Size

    1.3MB

  • Sample

    220521-py7ysagcb5

  • MD5

    55a3a3cccb24b740b6544c267be466b1

  • SHA1

    f29a04c59d80351c242c8a674fa4101dcc61162c

  • SHA256

    11b51777fe2510a6c9c60058157e5d81a4d70a0c5f91a5360c97cc85a66c9b22

  • SHA512

    7a52d760133643f0de5dfd0906bcdc59013265c587eff01ff480cf6f7a366f65d582c68183d8067efe04be54a9b24c0792642223a9f696b35fdca9e3857d6f10

Score
10/10
massloggercollectionpersistencespywarestealersuricata

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.privateemail.com
  • Port:
    587
  • Username:
    info@aksayyanggin.com
  • Password:
    1234567890$$

Targets

    • Target

      IMG.EXE

    • Size

      790KB

    • MD5

      e37eaf4e6ba3f8f3c7ae69fe64fab426

    • SHA1

      2371f3f0b6f993a6a85016764fc515e21318acd6

    • SHA256

      686fa9c6fbea4f0c7ef43e699dc0635cde676b7e9b85846543367a0530c36b0d

    • SHA512

      eb833ba22f65f3dbceaafa87ab0e3f329cd710849dc08e8dd6972e2a291cb7ddceb90daabfa613e6310e18879e762ffaf051a8c10e36fd264b8f58eecf107142

    Score
    10/10
    massloggercollectionpersistencespywarestealersuricata

    • MassLogger

      Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

      stealerspywaremasslogger

    • MassLogger Main Payload

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • suricata: ET MALWARE MASSLOGGER Client Data Exfil (POST)

      suricata: ET MALWARE MASSLOGGER Client Data Exfil (POST)

      suricata

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • 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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks