Overview

overview

10

Static

static

3

2024-03-26...ck.exe

windows7-x64

10

2024-03-26...ck.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    2024-03-26_0eae9e6fefb497032657c685ea2a8db2_virlock

  • Size

    254KB

  • Sample

    240326-leq95saa6s

  • MD5

    0eae9e6fefb497032657c685ea2a8db2

  • SHA1

    7d056cbc9f7a735eaa9f2ff615a1d732d751f706

  • SHA256

    929d10c254246057ad7c71aa61ba218340c89f7ea828c38182832a4dcd29aeb3

  • SHA512

    832ad1946bd96a9a10b8fb76ceb73de7b49d7151033d9802cf7c2537577a5b65b8f4820addb746155b956a4efc58f8ae421a61c7e9f0287335ea2851374e0da0

  • SSDEEP

    3072:IH945v5zNWZZImyPZBbtv/hCB31EQgqSeyFPPOBN9BcY4:K90xzsZZImyPZRCJ1EQKEc/

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-03-26_0eae9e6fefb497032657c685ea2a8db2_virlock

    • Size

      254KB

    • MD5

      0eae9e6fefb497032657c685ea2a8db2

    • SHA1

      7d056cbc9f7a735eaa9f2ff615a1d732d751f706

    • SHA256

      929d10c254246057ad7c71aa61ba218340c89f7ea828c38182832a4dcd29aeb3

    • SHA512

      832ad1946bd96a9a10b8fb76ceb73de7b49d7151033d9802cf7c2537577a5b65b8f4820addb746155b956a4efc58f8ae421a61c7e9f0287335ea2851374e0da0

    • SSDEEP

      3072:IH945v5zNWZZImyPZBbtv/hCB31EQgqSeyFPPOBN9BcY4:K90xzsZZImyPZRCJ1EQKEc/

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (76) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

4
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks