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Overview

overview

10

Static

static

3

2024-03-07...ck.exe

windows7-x64

10

2024-03-07...ck.exe

windows10-2004-x64

10

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General

  • Target

    2024-03-07_f295fc7dddcb42db43ec324a13c18e57_virlock

  • Size

    253KB

  • Sample

    240307-kdepaage4y

  • MD5

    f295fc7dddcb42db43ec324a13c18e57

  • SHA1

    ba80bde535e362cfac856e1f144b703a70cc6f4f

  • SHA256

    095db4de3eb016ca57e320213845b7381fc23d9d774812ffb98eef6dee734864

  • SHA512

    5af223aefa8f96f52dbf4cb24027d9393bcff3980eed98a6cbea1027fad093155f203e066bb3a4126acc6202bff89d835cb8ce38394e51ce224d6e4dcac20feb

  • SSDEEP

    3072:mLm3QXJAZkAZjIru04xzeLubJlPIuoiy+1LDRrMi44JGlRAGD/bnDckVdNBh:mLFX07jawCKbSiy+1Rwi44AlRhDDD7h

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-03-07_f295fc7dddcb42db43ec324a13c18e57_virlock

    • Size

      253KB

    • MD5

      f295fc7dddcb42db43ec324a13c18e57

    • SHA1

      ba80bde535e362cfac856e1f144b703a70cc6f4f

    • SHA256

      095db4de3eb016ca57e320213845b7381fc23d9d774812ffb98eef6dee734864

    • SHA512

      5af223aefa8f96f52dbf4cb24027d9393bcff3980eed98a6cbea1027fad093155f203e066bb3a4126acc6202bff89d835cb8ce38394e51ce224d6e4dcac20feb

    • SSDEEP

      3072:mLm3QXJAZkAZjIru04xzeLubJlPIuoiy+1LDRrMi44JGlRAGD/bnDckVdNBh:mLFX07jawCKbSiy+1Rwi44AlRhDDD7h

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (91) 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