Overview

overview

10

Static

static

3

428cc1732d...4d.exe

windows7-x64

10

428cc1732d...4d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    428cc1732d5746ff199fd4b098cec3ebd8fd4cca22cfa8d3364e34eb39f2224d

  • Size

    291KB

  • Sample

    240522-z2qtsagh4z

  • MD5

    783f701cb4bbae274fcdee9a57cb633e

  • SHA1

    bdfce5d7af534a7a74a14e40c04edc98ece5a6c1

  • SHA256

    428cc1732d5746ff199fd4b098cec3ebd8fd4cca22cfa8d3364e34eb39f2224d

  • SHA512

    484e8778ae0fd0a3bb364e9c249776f0a806498a4b147e0ac12e545bdcace5f9f266697b2274fd56288aba1b5a1868b6057bd2be59ca65788302c35408d83bf2

  • SSDEEP

    6144:b3e8wpdlOAsw8ey0ObNno5QsVliir0Yj+YYhl6:DeHpdkA/ROHd

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      428cc1732d5746ff199fd4b098cec3ebd8fd4cca22cfa8d3364e34eb39f2224d

    • Size

      291KB

    • MD5

      783f701cb4bbae274fcdee9a57cb633e

    • SHA1

      bdfce5d7af534a7a74a14e40c04edc98ece5a6c1

    • SHA256

      428cc1732d5746ff199fd4b098cec3ebd8fd4cca22cfa8d3364e34eb39f2224d

    • SHA512

      484e8778ae0fd0a3bb364e9c249776f0a806498a4b147e0ac12e545bdcace5f9f266697b2274fd56288aba1b5a1868b6057bd2be59ca65788302c35408d83bf2

    • SSDEEP

      6144:b3e8wpdlOAsw8ey0ObNno5QsVliir0Yj+YYhl6:DeHpdkA/ROHd

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (57) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks