Overview

overview

10

Static

static

3

2024-05-24...ck.exe

windows7-x64

10

2024-05-24...ck.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    2024-05-24_8ae04373dffad872d400fa43c8767313_virlock

  • Size

    632KB

  • Sample

    240524-sbc2nshh4y

  • MD5

    8ae04373dffad872d400fa43c8767313

  • SHA1

    3d0f7e61ac118e1898848e7df11aaf0546522007

  • SHA256

    3d81554b95777c9a19720f8f473d1312d4a5b3ae3c8d60469adb553402edfd2e

  • SHA512

    11b0ab0945c651f10ed076ec07e1854be124962f3388f7546eac66d58856a9339a63195d1c4dc266ee3f2699b8f9eeb7e6d1174e6fb76affeb3f7bc91121184f

  • SSDEEP

    12288:nG6u5VXCk41tmvKO2+D9lxKErTMaMHgUJYDFZcCdNmc92FFydcjtMTi8DSpzCZoe:GPGmvP2efQErTMaMAUqcWNuXDLz

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-24_8ae04373dffad872d400fa43c8767313_virlock

    • Size

      632KB

    • MD5

      8ae04373dffad872d400fa43c8767313

    • SHA1

      3d0f7e61ac118e1898848e7df11aaf0546522007

    • SHA256

      3d81554b95777c9a19720f8f473d1312d4a5b3ae3c8d60469adb553402edfd2e

    • SHA512

      11b0ab0945c651f10ed076ec07e1854be124962f3388f7546eac66d58856a9339a63195d1c4dc266ee3f2699b8f9eeb7e6d1174e6fb76affeb3f7bc91121184f

    • SSDEEP

      12288:nG6u5VXCk41tmvKO2+D9lxKErTMaMHgUJYDFZcCdNmc92FFydcjtMTi8DSpzCZoe:GPGmvP2efQErTMaMAUqcWNuXDLz

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (58) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks