Overview

overview

10

Static

static

3

2024-01-24...ck.exe

windows7-x64

10

2024-01-24...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-01-24_7a45166e5d60909e5a364d4d2d3b09f3_virlock

  • Size

    138KB

  • Sample

    240124-cahmrsffg2

  • MD5

    7a45166e5d60909e5a364d4d2d3b09f3

  • SHA1

    4c898dc043e1f5b492822b732a5d4ec2dd9a30fa

  • SHA256

    c497a012952acece6c674ab55c576b215f8a59631a1fe25b4685c0b0ac92300d

  • SHA512

    b94a847ed7778350cb7fe2a7b785bd63300fff9089a2fca3683dcff6a4574b2dc10c4994954ef8fd63ef56825ee78f977fb5fe551db99998112979af5d37dcae

  • SSDEEP

    3072:ieT26xLvLcwokiMR/C7kL8Zt0oX5jky3333333RSzbprvqnuRZEAv:/T26xLvIwBisj40oJjkjndvYu8m

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-01-24_7a45166e5d60909e5a364d4d2d3b09f3_virlock

    • Size

      138KB

    • MD5

      7a45166e5d60909e5a364d4d2d3b09f3

    • SHA1

      4c898dc043e1f5b492822b732a5d4ec2dd9a30fa

    • SHA256

      c497a012952acece6c674ab55c576b215f8a59631a1fe25b4685c0b0ac92300d

    • SHA512

      b94a847ed7778350cb7fe2a7b785bd63300fff9089a2fca3683dcff6a4574b2dc10c4994954ef8fd63ef56825ee78f977fb5fe551db99998112979af5d37dcae

    • SSDEEP

      3072:ieT26xLvLcwokiMR/C7kL8Zt0oX5jky3333333RSzbprvqnuRZEAv:/T26xLvIwBisj40oJjkjndvYu8m

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (79) 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