Overview

overview

10

Static

static

3

2024-05-27...re.exe

windows7-x64

10

2024-05-27...re.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    2024-05-27_63f5795f3090d05b9165f4788e8cd0be_bkransomware

  • Size

    6.6MB

  • Sample

    240527-gh559aab5x

  • MD5

    63f5795f3090d05b9165f4788e8cd0be

  • SHA1

    e471234ef41fc7c15ee1213fb3b04f0b4bff05ba

  • SHA256

    caedd9efb0758b3928fb4277c5a6a27e9989c6d3d03742adfdf83242fe29cb59

  • SHA512

    f17d886adf196a79b7226d387e50497c6fd0cf0933bb885d7e2fd5bb448d131da95eb7724484aebfcb3a70cde0d2c68b7ead007a7f743d8cb3528856bda4b99a

  • SSDEEP

    196608:lNZIJez06oDGWsY2C7KelsLeElAFnWVlo4439VQeWx:lN6e6uPCVlsLfqFnF4IQn

Score
10/10
discoveryevasionexecutionspywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-27_63f5795f3090d05b9165f4788e8cd0be_bkransomware

    • Size

      6.6MB

    • MD5

      63f5795f3090d05b9165f4788e8cd0be

    • SHA1

      e471234ef41fc7c15ee1213fb3b04f0b4bff05ba

    • SHA256

      caedd9efb0758b3928fb4277c5a6a27e9989c6d3d03742adfdf83242fe29cb59

    • SHA512

      f17d886adf196a79b7226d387e50497c6fd0cf0933bb885d7e2fd5bb448d131da95eb7724484aebfcb3a70cde0d2c68b7ead007a7f743d8cb3528856bda4b99a

    • SSDEEP

      196608:lNZIJez06oDGWsY2C7KelsLeElAFnWVlo4439VQeWx:lN6e6uPCVlsLfqFnF4IQn

    Score
    10/10
    discoveryevasionexecutionspywarestealertrojan

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Windows security bypass

      evasiontrojan

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • 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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Drops Chrome extension

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

2
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks