Overview

overview

10

Static

static

May Strict...sk.exe

windows7_x64

10

May Strict...sk.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    f3e2ae9fd18ff363e001a655cc4f51169ec008cc7dcb665a379e38ab6fd48cbe

  • Size

    792KB

  • Sample

    220521-b96yzagefm

  • MD5

    d480e6f9797120419935ded684b090ba

  • SHA1

    2265a8abfe3208e1333ba0a2758f8da9f72a8539

  • SHA256

    f3e2ae9fd18ff363e001a655cc4f51169ec008cc7dcb665a379e38ab6fd48cbe

  • SHA512

    1d2222319bb28cbd6750dfbd6c34ad63ad91f3c3262cf0294999ad658a24f76c0f07503f2c97dc4f4a0a9110f395498087942807f3f1d811ed3d2e122b70df88

Score
10/10
massloggercollectioncoreentityrezer0spywarestealer

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    cborigin@yandex.ru
  • Password:
    money123@@@

Targets

    • Target

      May Strict Order_7PrZEOy90VLPJsk.exe

    • Size

      886KB

    • MD5

      801c3f792d035b5c1603aa249a468d3a

    • SHA1

      845a034eaf4086d1b3200fae50fc7f87071a388f

    • SHA256

      3ab173f1c673d450f1f9640193efc87c76e64687e4c43ea0024287c875cde792

    • SHA512

      4f94663d39fda1081c182b199dcd35abdc845b580a5c73ede50f979aa089d3b5c4abcd2caec4cdc1cd08bcdc294f538338a99043c609251f7472b0bd9c111143

    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 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

    • 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