General

  • Target

    009d89b65b1914214cdfe607769aa035dc2c66ca5b713a1c19e4e5088df26abf

  • Size

    855KB

  • Sample

    220521-d52jssbhcp

  • MD5

    6b79e23f0eee49f3b414a39e2ab744a8

  • SHA1

    8030e1b15ab9d543c807f18d5d236b00f0c7282e

  • SHA256

    009d89b65b1914214cdfe607769aa035dc2c66ca5b713a1c19e4e5088df26abf

  • SHA512

    29b76f0cf2e4a893d8b3567fa65c90becc73d0dd243e38fd2744a69162b6fd637f97988efe70a900c068ad8a5b45443743495bf18fdd34edfe4cdd8b6c12247c

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.6.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 5:19:42 AM MassLogger Started: 5/21/2022 5:19:31 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Swift_Copy_Payment.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    rfy_sales806@dgrrfy.com
  • Password:
    biggod1234@

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\8236ADF044\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.6.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 10 Pro64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 7:19:04 AM MassLogger Started: 5/21/2022 7:18:54 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Swift_Copy_Payment.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      Swift_Copy_Payment.exe

    • Size

      918KB

    • MD5

      846b886920f8e2ddb108948bdb698fef

    • SHA1

      f1af2a39df543d411d2d51f3672f883b1f323703

    • SHA256

      0bfcce1f84c087a485b7284646dd5218ed12ca7814f6b40fc5126da55f18adef

    • SHA512

      c9c843dd9df1f5fa2fd61253510c46c7444f5ff77cf6577bea8de00d7d7aff26c6bb506f48f4c80e5146d1930fc96083becd12a44622d292c3b3338a11aeafc8

    • MassLogger

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

    • MassLogger Main Payload

    • MassLogger log file

      Detects a log file produced by MassLogger.

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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.

    • Accesses Microsoft Outlook profiles

    • 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

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks