Overview

overview

10

Static

static

3

2024-04-28...re.exe

windows7-x64

10

2024-04-28...re.exe

windows10-2004-x64

10

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General

  • Target

    2024-04-28_90588afa689d1ecdedee6fb57bf5b635_bkransomware

  • Size

    18.3MB

  • Sample

    240428-xrjavaeh91

  • MD5

    90588afa689d1ecdedee6fb57bf5b635

  • SHA1

    1f49217a42a8f75246c6953749441599d6d97007

  • SHA256

    4de1f09c88032d3ec4421c72b04e07f43edf853e32808c4292929637c44534ef

  • SHA512

    eb70df8a0134942f4e295a8ecc15845963ae89323c53f1966f3043d1c9536706729495b25ea81541cc062e6ad57e9753ca87d42555002b9477e40917232aacc6

  • SSDEEP

    393216:9ml9mCKuyLVEvd9LpBXVujtA6UX5K0r+Xh1SgXrnKXzM6Fw:9mzmnuTBBQjtA3XDrCAIT2tFw

Score
10/10
vidarpersistencespywarestealer

Malware Config

Targets

    • Target

      2024-04-28_90588afa689d1ecdedee6fb57bf5b635_bkransomware

    • Size

      18.3MB

    • MD5

      90588afa689d1ecdedee6fb57bf5b635

    • SHA1

      1f49217a42a8f75246c6953749441599d6d97007

    • SHA256

      4de1f09c88032d3ec4421c72b04e07f43edf853e32808c4292929637c44534ef

    • SHA512

      eb70df8a0134942f4e295a8ecc15845963ae89323c53f1966f3043d1c9536706729495b25ea81541cc062e6ad57e9753ca87d42555002b9477e40917232aacc6

    • SSDEEP

      393216:9ml9mCKuyLVEvd9LpBXVujtA6UX5K0r+Xh1SgXrnKXzM6Fw:9mzmnuTBBQjtA3XDrCAIT2tFw

    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