Overview

overview

10

Static

static

3

2024-06-27...ck.exe

windows7-x64

10

2024-06-27...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-06-27_090aff281cdc6881941e7d6dd7b92cc1_virlock

  • Size

    250KB

  • Sample

    240627-g5kstsyfrj

  • MD5

    090aff281cdc6881941e7d6dd7b92cc1

  • SHA1

    59e04c57a0aeac43467d7e599967210d28ee0961

  • SHA256

    2f077e0177b227ebb2c6305b0c128144ad93e4b232ddb669cb085ff328abfbe1

  • SHA512

    9bf29a84838a8149f9a0ccc859c858351f5c4bbfcda7852ed98c457e1a802d1ef9db7bc554c311134f3452fd642adf89cdff4af174dfde18ba7d8d15c32b64f9

  • SSDEEP

    6144:4Pk2L6IJZkRVITbkS397+pcJY3BnVupbp:mHuBHIT4Gp+lnVupb

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-06-27_090aff281cdc6881941e7d6dd7b92cc1_virlock

    • Size

      250KB

    • MD5

      090aff281cdc6881941e7d6dd7b92cc1

    • SHA1

      59e04c57a0aeac43467d7e599967210d28ee0961

    • SHA256

      2f077e0177b227ebb2c6305b0c128144ad93e4b232ddb669cb085ff328abfbe1

    • SHA512

      9bf29a84838a8149f9a0ccc859c858351f5c4bbfcda7852ed98c457e1a802d1ef9db7bc554c311134f3452fd642adf89cdff4af174dfde18ba7d8d15c32b64f9

    • SSDEEP

      6144:4Pk2L6IJZkRVITbkS397+pcJY3BnVupbp:mHuBHIT4Gp+lnVupb

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (56) 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
    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