Overview

overview

10

Static

static

3

2024-05-08...ck.exe

windows7-x64

10

2024-05-08...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-05-08_e01cb8fef6b751b85de2e826ac13ecb3_virlock

  • Size

    568KB

  • Sample

    240508-qpg7fahb55

  • MD5

    e01cb8fef6b751b85de2e826ac13ecb3

  • SHA1

    1db140b46f07e6a6027ad614853a7904b00baa25

  • SHA256

    c8bb5992265dc5ea4950c9c70db96ddd37e7c1e57d9524777d8df7eefe68df98

  • SHA512

    8f0f57f1be4153bb3cd4037e9666acd4907cc84bf736465cd07fee710eb4b5bc7f07efaecfaec488fdec2e1095b985f22047a6bc215c8a818f341e032f6b3b1c

  • SSDEEP

    12288:zpRGEtlNR+4YLcOws1yOcV1XSZkXTdEPr0:zyClNyJwxO2XPmr0

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-05-08_e01cb8fef6b751b85de2e826ac13ecb3_virlock

    • Size

      568KB

    • MD5

      e01cb8fef6b751b85de2e826ac13ecb3

    • SHA1

      1db140b46f07e6a6027ad614853a7904b00baa25

    • SHA256

      c8bb5992265dc5ea4950c9c70db96ddd37e7c1e57d9524777d8df7eefe68df98

    • SHA512

      8f0f57f1be4153bb3cd4037e9666acd4907cc84bf736465cd07fee710eb4b5bc7f07efaecfaec488fdec2e1095b985f22047a6bc215c8a818f341e032f6b3b1c

    • SSDEEP

      12288:zpRGEtlNR+4YLcOws1yOcV1XSZkXTdEPr0:zyClNyJwxO2XPmr0

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (80) 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