Overview

overview

10

Static

static

PO#052620.exe

windows7_x64

10

PO#052620.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a30b832b57390359990b3c114f97974d079c77c9a94d77c809d250cc56dfa70c

  • Size

    837KB

  • Sample

    220521-phbweaaeep

  • MD5

    2186da778fcbe1c2eec0445d0db5745c

  • SHA1

    87c2842ced0634b43c94841c849257ffa27d9a60

  • SHA256

    a30b832b57390359990b3c114f97974d079c77c9a94d77c809d250cc56dfa70c

  • SHA512

    5aca2966fc941601b07da8bee8a2c3172f8cbe7f5c3df0bb57f318952139b8eadf68ae82729c2af580701992e6796135aa5acaa1bcb721e4a9d90eff1c8bd623

Score
10/10
massloggercollectioncoreentityransomwarerezer0spywarestealer

Malware Config

Extracted

Path

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

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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 2:31:14 PM MassLogger Started: 5/21/2022 2:30:43 PM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe As Administrator: True

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    don8@intarscan.org
  • Password:
    ?qlva43X~o%I

Extracted

Path

C:\Users\Admin\AppData\Local\Temp\F293CD6622\Log.txt

Family

masslogger

Ransom Note
################################################################# MassLogger v1.3.3.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 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 2:31:26 PM MassLogger Started: 5/21/2022 2:31:17 PM Interval: 2 hour MassLogger Process: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe As Administrator: True

Targets

    • Target

      PO#052620.exe

    • Size

      916KB

    • MD5

      6b9b5794e44f69ab2773ce2799463454

    • SHA1

      5ae3669ecff1e3de5569d81a0c4bae495e4be457

    • SHA256

      9c5b8535e2ac554768c5cfc3d655a3aed7647fe2280e66161a516296eb5a5918

    • SHA512

      b5d666a93bd724e010fc63f5d70078c54a7a8bebf6aab647ad2a49d049d99703ac14ba2b7fe408632eef308d85af5b2725e89c18e193f2966ff0cb1b72460731

    Score
    10/10
    massloggercollectioncoreentityransomwarerezer0spywarestealer

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

      coreentity

    • 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.

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks