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Overview

overview

10

Static

static

3

2024-05-12...ck.exe

windows7-x64

10

2024-05-12...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-05-12_2745d7b6dcb778db86b68f8831ba3c17_virlock

  • Size

    2.6MB

  • Sample

    240512-qn9kasbe84

  • MD5

    2745d7b6dcb778db86b68f8831ba3c17

  • SHA1

    0e2b3bdd736f98cdb034ff5f04e0f9d216272a03

  • SHA256

    ce6f725d13235732e2518fa33333820de530c981514595db68d7b21de438a850

  • SHA512

    2460446cdbd2241e2a210f51f0427309936d5f56ff1c51a7f55e70d1b54a31d33de9c8ea468cd6855efadd9e6bf98450f2e4724fc498337e32db83a825b270fe

  • SSDEEP

    49152:/pMuAkLT1U3FHJQtPOEXDc1hUtQa09blw6Lu:SkL5uFpKH41atyM6

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-12_2745d7b6dcb778db86b68f8831ba3c17_virlock

    • Size

      2.6MB

    • MD5

      2745d7b6dcb778db86b68f8831ba3c17

    • SHA1

      0e2b3bdd736f98cdb034ff5f04e0f9d216272a03

    • SHA256

      ce6f725d13235732e2518fa33333820de530c981514595db68d7b21de438a850

    • SHA512

      2460446cdbd2241e2a210f51f0427309936d5f56ff1c51a7f55e70d1b54a31d33de9c8ea468cd6855efadd9e6bf98450f2e4724fc498337e32db83a825b270fe

    • SSDEEP

      49152:/pMuAkLT1U3FHJQtPOEXDc1hUtQa09blw6Lu:SkL5uFpKH41atyM6

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (65) 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