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Overview

overview

10

Static

static

3

2024-05-16...ck.exe

windows7-x64

10

2024-05-16...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-16_0eb102ecb51f8e10435254be3bf01205_virlock

  • Size

    186KB

  • Sample

    240516-wc75zsgd82

  • MD5

    0eb102ecb51f8e10435254be3bf01205

  • SHA1

    870d51046c2fb58036f64b8098f33bd3bee2f376

  • SHA256

    d8a28b2bb503def54e8df385900178c4171a9001572d13404eb686374f03b53d

  • SHA512

    82b3ff82abe178b2b7595044fbc7858a638f2d9ca4238e767ba1bf1fcc76c612b63a37976638b8f7d983eda9f3995cd698ca1d2bb7f287ef820e28189a556f3c

  • SSDEEP

    3072:QEo6yybsJfVGZJFHK0hdpgydymuSKF2jCxqFLB4uWS:jo6RbsJNaXK0hdVdwl8OcLsS

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-16_0eb102ecb51f8e10435254be3bf01205_virlock

    • Size

      186KB

    • MD5

      0eb102ecb51f8e10435254be3bf01205

    • SHA1

      870d51046c2fb58036f64b8098f33bd3bee2f376

    • SHA256

      d8a28b2bb503def54e8df385900178c4171a9001572d13404eb686374f03b53d

    • SHA512

      82b3ff82abe178b2b7595044fbc7858a638f2d9ca4238e767ba1bf1fcc76c612b63a37976638b8f7d983eda9f3995cd698ca1d2bb7f287ef820e28189a556f3c

    • SSDEEP

      3072:QEo6yybsJfVGZJFHK0hdpgydymuSKF2jCxqFLB4uWS:jo6RbsJNaXK0hdVdwl8OcLsS

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (58) files with added filename extension

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

      ransomware

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Deletes itself

    • 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
    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