Overview

overview

10

Static

static

3

66c1e07a2f...b2.exe

windows7-x64

10

66c1e07a2f...b2.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    66c1e07a2fff4bc4d05620d9c1bae45b52999b888281798ddd709167002bceb2

  • Size

    640KB

  • Sample

    240523-mxcedadf69

  • MD5

    884bd2294ddbf19195152134c77b3044

  • SHA1

    369afd8c5459bbfca780c92547416c71af31041a

  • SHA256

    66c1e07a2fff4bc4d05620d9c1bae45b52999b888281798ddd709167002bceb2

  • SHA512

    0707b1645de2125753100bb92ea1b195b8a16b0880e5390d038e695c7c801884d6390e84d9a635d11762cfd7ec72f4193b796f072329209668c0d97c1ded3bc1

  • SSDEEP

    12288:SiGxlyhgFUED9bEaHCDZ4lPo1LsCVYQyj9O48u0cNs6MEB:Si6khgFUEDJEaHCDelPopsCVYQyxO48U

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      66c1e07a2fff4bc4d05620d9c1bae45b52999b888281798ddd709167002bceb2

    • Size

      640KB

    • MD5

      884bd2294ddbf19195152134c77b3044

    • SHA1

      369afd8c5459bbfca780c92547416c71af31041a

    • SHA256

      66c1e07a2fff4bc4d05620d9c1bae45b52999b888281798ddd709167002bceb2

    • SHA512

      0707b1645de2125753100bb92ea1b195b8a16b0880e5390d038e695c7c801884d6390e84d9a635d11762cfd7ec72f4193b796f072329209668c0d97c1ded3bc1

    • SSDEEP

      12288:SiGxlyhgFUED9bEaHCDZ4lPo1LsCVYQyj9O48u0cNs6MEB:Si6khgFUEDJEaHCDelPopsCVYQyxO48U

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (84) 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