General

  • Target

    cdfbe574fd5d0be6ec09893c69bb550af33ff85b39019abcced1cf4d1ae6afba

  • Size

    839KB

  • Sample

    220521-pfejhsadfj

  • MD5

    f7848c74cadaa1faeea16f6e8a6ffd41

  • SHA1

    073d90a310752e1127d792b0507987d8a23d3e01

  • SHA256

    cdfbe574fd5d0be6ec09893c69bb550af33ff85b39019abcced1cf4d1ae6afba

  • SHA512

    d0e026f276d757f2d04e6fbb518a859d5c7936592d819549e475a118258f948c08bf3aa74a40ed8d7ada04ce311f2c933550df47aa0e3cc9fb59ad466fc816cb

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\3B8E3C2477\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States OS: Microsoft Windows 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 2:30:47 PM MassLogger Started: 5/21/2022 2:30:31 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Purchase List.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\0F48153F20\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States OS: Microsoft Windows 10 Pro64bit CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 12:29:39 PM MassLogger Started: 5/21/2022 12:29:36 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Purchase List.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tcsqatar.com
  • Port:
    587
  • Username:
    Danielokoth@tcsqatar.com
  • Password:
    Talebdanielokoth@2013

Targets

    • Target

      Purchase List.exe

    • Size

      869KB

    • MD5

      d0454c5763ed33859b7e691a2b758a53

    • SHA1

      b5922dd8d08302b632e14848868534c9c55e275a

    • SHA256

      a695f00451136422236ac536e9a7417a8826001ecb0ba51e582687cb0dc3f0ba

    • SHA512

      cf3b3b7fcd1baed5fa294104032206e2ad6bd6c46df53b576a3a45ca3062e8167baf8eee1621f42deffb016e44538f324bdb71a502f405f804bfb63b8eee67ff

    • MassLogger

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

    • 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