Overview

overview

10

Static

static

x2KDOSVNRiSbYcK.exe

windows7_x64

10

x2KDOSVNRiSbYcK.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    54cb28a794d4dd8d4296b0ca070eb2afd1154f4a8ead7aec7dc0066ec62f06a6

  • Size

    788KB

  • Sample

    220521-b14ggsfhdn

  • MD5

    e91405d8586eac21a91df36dfafe441e

  • SHA1

    e4b44f490152dd4df4ed829426823b8a11555da3

  • SHA256

    54cb28a794d4dd8d4296b0ca070eb2afd1154f4a8ead7aec7dc0066ec62f06a6

  • SHA512

    4a78297a50615e989070561e79ea9e8f2cad3e8ca5c9b2f022db35df16bbc3482cc87eb52fe3243bea38db6be45386777abeafd8e6023fd634db61ae353ab999

Score
10/10
massloggercollectioncoreentityrezer0spywarestealer

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    requestShow@

Targets

    • Target

      x2KDOSVNRiSbYcK.exe

    • Size

      871KB

    • MD5

      23623b167a6e271b89f266cda6f4d308

    • SHA1

      b8f5846cf059451256cf6d25f804588651a4b04b

    • SHA256

      8a3dd3eb355760a77c7bd89e2316c7741e37f9b20435a23d144e58ba856bd7c7

    • SHA512

      11830c8366ec005b3439c9b9bf4de62db61d44d0c296b9d91a2c3705fa2f3454abd84bc1a711f55db2926c89f6556c3751e4af292e4cfe0456038886552fe760

    Score
    10/10
    massloggercollectioncoreentityrezer0spywarestealer

    • 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 log file

      Detects a log file produced by MassLogger.

    • ReZer0 packer

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

      rezer0

    • 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.

      spywarestealer

    • 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

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks