Overview

overview

10

Static

static

3

2024-05-03...ck.exe

windows7-x64

10

2024-05-03...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-03_162afd6a22adf1f9384ad673629a8f89_virlock

  • Size

    191KB

  • Sample

    240503-tgrmpaaf71

  • MD5

    162afd6a22adf1f9384ad673629a8f89

  • SHA1

    0a9c3936979336e891d30e7e2e908674d27dcefa

  • SHA256

    40fa151fcad6f324edbd93603ae8fb9faf42f3bc1377885e2c58bf841908801e

  • SHA512

    d28f1a2371151a0b839ed930d81d7a8e3ea545aa5677de0245b2180242305f4fff751f8d122f6d7e80cdf342c6cd7b905f47877fccd9f61f89ac2ba289068308

  • SSDEEP

    3072:gLziP1BYqmXVvKxVq7Xn8IznScB3S9LxgjEytnbhhNj7wUW0QjIVASmBQz2L:gLb/YxVqLauB7wR0QjIVASmBQz

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-03_162afd6a22adf1f9384ad673629a8f89_virlock

    • Size

      191KB

    • MD5

      162afd6a22adf1f9384ad673629a8f89

    • SHA1

      0a9c3936979336e891d30e7e2e908674d27dcefa

    • SHA256

      40fa151fcad6f324edbd93603ae8fb9faf42f3bc1377885e2c58bf841908801e

    • SHA512

      d28f1a2371151a0b839ed930d81d7a8e3ea545aa5677de0245b2180242305f4fff751f8d122f6d7e80cdf342c6cd7b905f47877fccd9f61f89ac2ba289068308

    • SSDEEP

      3072:gLziP1BYqmXVvKxVq7Xn8IznScB3S9LxgjEytnbhhNj7wUW0QjIVASmBQz2L:gLb/YxVqLauB7wR0QjIVASmBQz

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (55) 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.

    • 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

    • 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