Overview

overview

10

Static

static

10

IMAGE.exe

windows7_x64

10

IMAGE.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    967829fdb0b2f1b7a86923187553ebf53066b92d543ca6d2587519a9700999da

  • Size

    1.9MB

  • Sample

    220521-ad2hyaaba2

  • MD5

    4ccdf3b0fbdeaaefa11e991ea19d18b4

  • SHA1

    fe7f5e0ec4fa6f0385c8977dac3eb4460cad58aa

  • SHA256

    967829fdb0b2f1b7a86923187553ebf53066b92d543ca6d2587519a9700999da

  • SHA512

    d8d496905afcf3fbbc341d3ccb611a02678e74ed2de550d30b927fb2aedee36b6fd1b1e53b56f9e633e446d0cbf1877d9bb94da02bd126b7bc6eefaaac1c214a

Score
10/10
massloggeragilenetpersistenceransomwarespywarestealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.4.0 ################################################################# ### 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 12:18:47 AM MassLogger Started: 5/21/2022 12:18:36 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\781F780B4E\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.4.0 ################################################################# ### 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 12:18:21 AM MassLogger Started: 5/21/2022 12:18:18 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:

Targets

    • Target

      IMAGE.EXE

    • Size

      1.3MB

    • MD5

      77fe809f6ab75c8e4ca3b09d79e7d1c5

    • SHA1

      081154438bcc637acd03bb10e18c71755692ef09

    • SHA256

      2f4324dda02f8721cf5c0c0ed404de8fedbc46cf8fb1dda0e3ec3d07d6fb42e0

    • SHA512

      fd36cdffe011dce3104046769f60c5104a5f5c1e4045e82e749281d22ef2461969b41b064c20547fecb47e6c1f4c57fca73b367b307a35a952e8a9e694617a52

    Score
    10/10
    massloggeragilenetpersistenceransomwarespywarestealer

    • 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.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • 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

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks