Overview

overview

10

Static

static

T.HALK BAN...si.exe

windows7_x64

10

T.HALK BAN...si.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    4d202d4afe38b078d7aea0d9c1a89e2f0ec027e1555ce35328a293dcaef8bb25

  • Size

    885KB

  • Sample

    220521-n8gznsegf6

  • MD5

    988c76a8ba32622ea114119c21c6b8f9

  • SHA1

    8b2f22ab2bbb55c78243ecdd0e2aa465fd60d144

  • SHA256

    4d202d4afe38b078d7aea0d9c1a89e2f0ec027e1555ce35328a293dcaef8bb25

  • SHA512

    2fb532117a0f855ff1df537a16f781d38bdfbfcc14c61c63ce738ea0d651a1d72f44460174425199d7d50c262816f94418432c6372d8e04178ede8aca5fb399c

Score
10/10
massloggercollectionransomwarerezer0spywarestealer

Malware Config

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\79FE0CC911\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 7 Ultimate 64bit CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 12:57:36 PM MassLogger Started: 5/21/2022 12:57:26 PM Interval: 1 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\EEB932C954\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.5.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 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 2:58:21 PM MassLogger Started: 5/21/2022 2:58:11 PM Interval: 1 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      T.HALK BANKASI A.?. 25.06.2020 Hesap Ekstresi.exe

    • Size

      975KB

    • MD5

      c9a52acd2cb5a21a32cdeee85201d66d

    • SHA1

      5be53cb72024fac27e027857c09ad79c4a7124a0

    • SHA256

      c60b9f94ebece1e217b2724d77bd929dd208466813954315cb588887c6a21480

    • SHA512

      233ca6cdf1a4cf2a74a9a4c6496859bbcb8ed957a0fa2c99107f3a4cd775fffa2ab429c85d79cc66176a99014865b672faeb6273ffcdf52cdf46f47a14553224

    Score
    10/10
    massloggercollectionransomwarerezer0spywarestealer

    • 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.

    • ReZer0 packer

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

      rezer0

    • Accesses Microsoft Outlook profiles

      collection

    • 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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks