Overview

overview

10

Static

static

3

202408234f...ck.exe

windows7-x64

10

202408234f...ck.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    202408234f7428b9140621b76143b25250732689virlock

  • Size

    195KB

  • Sample

    240823-1ge28ayand

  • MD5

    4f7428b9140621b76143b25250732689

  • SHA1

    282d3622e417b1b15501da247011fc776cbe2651

  • SHA256

    c7f80944a293beab2a15f24a07a183f4ba3a1c3662aaafd0442dfd898c684dd2

  • SHA512

    c7a563b897ed8e539a3db76c827dc7ffafdf8db053d19e0dbdf0d413bb4641f9a37ba89245960b74beaac353680cd04182ab03eec3aa38dbb7cd797b42e32dc0

  • SSDEEP

    6144:kmo4YSNwA8JzaiU9MzQQjtlixVsmyMdcbYwL:vo4hys9MkQjtludsFL

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      202408234f7428b9140621b76143b25250732689virlock

    • Size

      195KB

    • MD5

      4f7428b9140621b76143b25250732689

    • SHA1

      282d3622e417b1b15501da247011fc776cbe2651

    • SHA256

      c7f80944a293beab2a15f24a07a183f4ba3a1c3662aaafd0442dfd898c684dd2

    • SHA512

      c7a563b897ed8e539a3db76c827dc7ffafdf8db053d19e0dbdf0d413bb4641f9a37ba89245960b74beaac353680cd04182ab03eec3aa38dbb7cd797b42e32dc0

    • SSDEEP

      6144:kmo4YSNwA8JzaiU9MzQQjtlixVsmyMdcbYwL:vo4hys9MkQjtludsFL

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (54) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Blocklisted process makes network request

    • 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