Overview

overview

10

Static

static

3

fb842067a7...3N.exe

windows7-x64

10

fb842067a7...3N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fb842067a75854d866b813782d577a0a437fa1a94cefb29474f54177ca2fa483N.exe

  • Size

    140KB

  • Sample

    241122-m2vrhsyrcw

  • MD5

    9dd77124abfc0df88d77ef9826437ea0

  • SHA1

    42f21ae1c0eca6ccb9d706e1088a95871cb7aae6

  • SHA256

    fb842067a75854d866b813782d577a0a437fa1a94cefb29474f54177ca2fa483

  • SHA512

    780d8d63e2f4811f2526dcf040949199fe524a60d447c20a5e87c0741f75a01741c0d3f9d81b78a6af413527fe7df72f325295f828432f19c2a109e4340fc69e

  • SSDEEP

    3072:yb0pbi6mgeKIr8Sp9CO6MyurEzKr9gjssZclv2MyygJNDgDbKob7Tav:yd6CK49FvydzKr9gXGzIgSQU

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      fb842067a75854d866b813782d577a0a437fa1a94cefb29474f54177ca2fa483N.exe

    • Size

      140KB

    • MD5

      9dd77124abfc0df88d77ef9826437ea0

    • SHA1

      42f21ae1c0eca6ccb9d706e1088a95871cb7aae6

    • SHA256

      fb842067a75854d866b813782d577a0a437fa1a94cefb29474f54177ca2fa483

    • SHA512

      780d8d63e2f4811f2526dcf040949199fe524a60d447c20a5e87c0741f75a01741c0d3f9d81b78a6af413527fe7df72f325295f828432f19c2a109e4340fc69e

    • SSDEEP

      3072:yb0pbi6mgeKIr8Sp9CO6MyurEzKr9gjssZclv2MyygJNDgDbKob7Tav:yd6CK49FvydzKr9gXGzIgSQU

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (88) 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

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

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