Overview

overview

10

Static

static

3

2024-09-13...ck.exe

windows7-x64

10

2024-09-13...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-09-13_aff947a392882d6abeaa90330f647cd8_virlock

  • Size

    192KB

  • Sample

    240913-m2hrysydmm

  • MD5

    aff947a392882d6abeaa90330f647cd8

  • SHA1

    f13f3cc8392466822894409344866064830203fd

  • SHA256

    cafbd0fa597ec2d3a5380bed64c1248e6515337d1c296540c67b9b79c303df0c

  • SHA512

    23eb4e922ca480654f60127d781f606320e99abbade517f161670f881a959d522198683fc08b26ba7316c2cfd371189474eed86363e91df487a2ca7d227026c5

  • SSDEEP

    3072:xXtCcXcL97sQy5OKXyaF2WoykWJTm0AWWg84eGhRpRSd:xXMyYuT5OKiaFjowSF4bTSd

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-09-13_aff947a392882d6abeaa90330f647cd8_virlock

    • Size

      192KB

    • MD5

      aff947a392882d6abeaa90330f647cd8

    • SHA1

      f13f3cc8392466822894409344866064830203fd

    • SHA256

      cafbd0fa597ec2d3a5380bed64c1248e6515337d1c296540c67b9b79c303df0c

    • SHA512

      23eb4e922ca480654f60127d781f606320e99abbade517f161670f881a959d522198683fc08b26ba7316c2cfd371189474eed86363e91df487a2ca7d227026c5

    • SSDEEP

      3072:xXtCcXcL97sQy5OKXyaF2WoykWJTm0AWWg84eGhRpRSd:xXMyYuT5OKiaFjowSF4bTSd

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (65) 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

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks