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Overview

overview

10

Static

static

3

2024-02-18...ck.exe

windows7-x64

10

2024-02-18...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2024-02-18_c459941e11a6989a9199924c6f3deedb_virlock

  • Size

    177KB

  • Sample

    240218-n2w51shf4w

  • MD5

    c459941e11a6989a9199924c6f3deedb

  • SHA1

    0d64d28945fe317fcf29ca22ac12a89933b8aab5

  • SHA256

    363b9e26b32c5afc17f55a588d207ef5960b99cd608d08fdf9f834505a3b941f

  • SHA512

    894d9a87d6637c6156b74fd513ba8cc77c9fba5f5aebd463da94be9550c83312c33da6b5414a72a853ac75666e7932dff14e485071087b4b842bbf997a2932e1

  • SSDEEP

    3072:EzblT5XcXRWouUbzGyzTMvMKVZv7xdx1vclKklHvwBbL0jXFHV/UU/p0YrKt122V:WlT5XeR7mu+v7xdx1vc4kHvwBbL0jXBs

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      2024-02-18_c459941e11a6989a9199924c6f3deedb_virlock

    • Size

      177KB

    • MD5

      c459941e11a6989a9199924c6f3deedb

    • SHA1

      0d64d28945fe317fcf29ca22ac12a89933b8aab5

    • SHA256

      363b9e26b32c5afc17f55a588d207ef5960b99cd608d08fdf9f834505a3b941f

    • SHA512

      894d9a87d6637c6156b74fd513ba8cc77c9fba5f5aebd463da94be9550c83312c33da6b5414a72a853ac75666e7932dff14e485071087b4b842bbf997a2932e1

    • SSDEEP

      3072:EzblT5XcXRWouUbzGyzTMvMKVZv7xdx1vclKklHvwBbL0jXFHV/UU/p0YrKt122V:WlT5XeR7mu+v7xdx1vc4kHvwBbL0jXBs

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (79) 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
    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