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Overview

overview

10

Static

static

3

2024-07-05...ck.exe

windows7-x64

10

2024-07-05...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-07-05_27221bc4ee503865d120544392693472_virlock

  • Size

    110KB

  • Sample

    240705-cw5z7asfmd

  • MD5

    27221bc4ee503865d120544392693472

  • SHA1

    d7d5e3bac78ac5f3a1b42f5782c2cc85eacb330a

  • SHA256

    61bc2d8c1c22d07d0151ed8e73be389091ac6bc140fc2b81f5c2b213e174b8be

  • SHA512

    045a899b1a2473c2b95dfbcdde304309a4bdceee0eac28d8f4540cda474c3e037efe55c5b6ee185fab77941c87bbd09ba66aef576d39044b4eb3bfede7b6b09f

  • SSDEEP

    3072:tTQ53wX+p7u7tkla3Ipj9uIRfoKnXRtMJd2POiiGBxYVh:9LEi7tJufftMJd2PCGbYVh

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-07-05_27221bc4ee503865d120544392693472_virlock

    • Size

      110KB

    • MD5

      27221bc4ee503865d120544392693472

    • SHA1

      d7d5e3bac78ac5f3a1b42f5782c2cc85eacb330a

    • SHA256

      61bc2d8c1c22d07d0151ed8e73be389091ac6bc140fc2b81f5c2b213e174b8be

    • SHA512

      045a899b1a2473c2b95dfbcdde304309a4bdceee0eac28d8f4540cda474c3e037efe55c5b6ee185fab77941c87bbd09ba66aef576d39044b4eb3bfede7b6b09f

    • SSDEEP

      3072:tTQ53wX+p7u7tkla3Ipj9uIRfoKnXRtMJd2POiiGBxYVh:9LEi7tJufftMJd2PCGbYVh

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (83) 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