Overview

overview

10

Static

static

3

4d6d7bd809...a0.exe

windows7-x64

10

4d6d7bd809...a0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4d6d7bd80904ee7156b2387a41fde05213464bc1d1fb63aaa916d6d8ab6987a0

  • Size

    192KB

  • Sample

    240522-1blb2shd5y

  • MD5

    ca410ca541169778dee47092d3ccd5cc

  • SHA1

    bfb1ad6ccb5c277aca1e65595d667eed13d872f4

  • SHA256

    4d6d7bd80904ee7156b2387a41fde05213464bc1d1fb63aaa916d6d8ab6987a0

  • SHA512

    36b1c31cd04357861b08adf0222edf9cb61414c896c7b3591140e37805e0c518591c16eb3286889834add2f70e6debc3ee7b4eb468134d97dd7e30cabcb1d127

  • SSDEEP

    3072:AF6uClzsQQnFo/aeuUHmn40eNiHPNgm6YnYmuAwS655e:XhsVkWn4DN8QS65

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      4d6d7bd80904ee7156b2387a41fde05213464bc1d1fb63aaa916d6d8ab6987a0

    • Size

      192KB

    • MD5

      ca410ca541169778dee47092d3ccd5cc

    • SHA1

      bfb1ad6ccb5c277aca1e65595d667eed13d872f4

    • SHA256

      4d6d7bd80904ee7156b2387a41fde05213464bc1d1fb63aaa916d6d8ab6987a0

    • SHA512

      36b1c31cd04357861b08adf0222edf9cb61414c896c7b3591140e37805e0c518591c16eb3286889834add2f70e6debc3ee7b4eb468134d97dd7e30cabcb1d127

    • SSDEEP

      3072:AF6uClzsQQnFo/aeuUHmn40eNiHPNgm6YnYmuAwS655e:XhsVkWn4DN8QS65

    Score
    10/10
    evasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (58) 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