Overview

overview

10

Static

static

3

2024-04-26...ck.exe

windows7-x64

10

2024-04-26...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-04-26_4608dcb012f95aac111f9d572150bd14_virlock

  • Size

    119KB

  • Sample

    240426-qnv2xadc2t

  • MD5

    4608dcb012f95aac111f9d572150bd14

  • SHA1

    11b363bcee3d9dca25c2a9188a96763d20a2dedc

  • SHA256

    38c9280ef8c091b65f241d364ec55059cb61f065d3025e0039e0a98e062781da

  • SHA512

    00aa318c3957713687f89871247a995b538e08bfc857db2c1a937842b67c3a47bb601d3f2a1d002c42f51a3441c513889e2454a6166dca369c94fed47435ada7

  • SSDEEP

    3072:oklFg+vXarvoCQmEuuCKfLwwWI2fUbwDAidrqN5xYLtCAnKF+g:DZvKvoCQmEuuCKfkwWI2VG+kAn+

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-04-26_4608dcb012f95aac111f9d572150bd14_virlock

    • Size

      119KB

    • MD5

      4608dcb012f95aac111f9d572150bd14

    • SHA1

      11b363bcee3d9dca25c2a9188a96763d20a2dedc

    • SHA256

      38c9280ef8c091b65f241d364ec55059cb61f065d3025e0039e0a98e062781da

    • SHA512

      00aa318c3957713687f89871247a995b538e08bfc857db2c1a937842b67c3a47bb601d3f2a1d002c42f51a3441c513889e2454a6166dca369c94fed47435ada7

    • SSDEEP

      3072:oklFg+vXarvoCQmEuuCKfLwwWI2fUbwDAidrqN5xYLtCAnKF+g:DZvKvoCQmEuuCKfkwWI2VG+kAn+

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (87) 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