Overview

overview

10

Static

static

3

2024-04-27...re.exe

windows7-x64

10

2024-04-27...re.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-27_d74b38a8ebcdef1d3f406e7abe66ee9f_bkransomware

  • Size

    18.3MB

  • Sample

    240427-1v8axshg41

  • MD5

    d74b38a8ebcdef1d3f406e7abe66ee9f

  • SHA1

    4b9ead52a29d5d9d7e06b0fc0f0622653415adb0

  • SHA256

    ebe3751f8484f7b23dc8e179c5ea77429bc899fcc9b429c2f5c62eec37c0b42e

  • SHA512

    abb935d77dda02e73cc2c913025e108f50af7c2729b24341c5b1218930ad8aefef12c5ca94ac3020a862460e0450ffe5c517e76afff0a8a7f22bc58763fa44f9

  • SSDEEP

    393216:a8k32KphDG3wzfZbGd3ST6NM5yi7nj0wy8JogtBR0C/3Cix3VWtlG+9:axlpVBbZad26NLwnxJZt304yiBgtoy

Score
10/10
vidarpersistencespywarestealer

Malware Config

Targets

    • Target

      2024-04-27_d74b38a8ebcdef1d3f406e7abe66ee9f_bkransomware

    • Size

      18.3MB

    • MD5

      d74b38a8ebcdef1d3f406e7abe66ee9f

    • SHA1

      4b9ead52a29d5d9d7e06b0fc0f0622653415adb0

    • SHA256

      ebe3751f8484f7b23dc8e179c5ea77429bc899fcc9b429c2f5c62eec37c0b42e

    • SHA512

      abb935d77dda02e73cc2c913025e108f50af7c2729b24341c5b1218930ad8aefef12c5ca94ac3020a862460e0450ffe5c517e76afff0a8a7f22bc58763fa44f9

    • SSDEEP

      393216:a8k32KphDG3wzfZbGd3ST6NM5yi7nj0wy8JogtBR0C/3Cix3VWtlG+9:axlpVBbZad26NLwnxJZt304yiBgtoy

    Score
    10/10
    vidarpersistencespywarestealer

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks