General

  • Target

    bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767

  • Size

    822KB

  • Sample

    220524-sp7hfafga6

  • MD5

    2d6e2e5246a199facabc1e85710ffadf

  • SHA1

    6646268d847037b42badf41a631ea60c523731c7

  • SHA256

    bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767

  • SHA512

    fa9f81e77296884e39621a833727eeb413bcfb7972564ef7bdf834bfb3f0cb03c125b086c5c6e4db2e2dda66ce2f26527116bd4a45c9ada5377ebcec51b2dc3a

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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: 5/24/2022 5:50:34 PM MassLogger Started: 5/24/2022 5:50:18 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

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

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 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: 5/24/2022 5:50:07 PM MassLogger Started: 5/24/2022 5:49:53 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767

    • Size

      822KB

    • MD5

      2d6e2e5246a199facabc1e85710ffadf

    • SHA1

      6646268d847037b42badf41a631ea60c523731c7

    • SHA256

      bac3ee462346b1c7a215087d1dee33366fc020632c719f7f6416b0f586bd4767

    • SHA512

      fa9f81e77296884e39621a833727eeb413bcfb7972564ef7bdf834bfb3f0cb03c125b086c5c6e4db2e2dda66ce2f26527116bd4a45c9ada5377ebcec51b2dc3a

    • 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.

    • 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