Overview

overview

10

Static

static

3

3b50210d61...0N.exe

windows7-x64

10

3b50210d61...0N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3b50210d61984bfae5bb86a578ddc490N.exe

  • Size

    184KB

  • Sample

    240807-be537awdrp

  • MD5

    3b50210d61984bfae5bb86a578ddc490

  • SHA1

    545f9a863fad86816b09509ab918f0564cf2028e

  • SHA256

    c7e4f4b1440aff31bbb0ef410ca535375ece1a84f9485507363313369234b769

  • SHA512

    96d9e984b9129de388c1b3b90fdf0c78d8782f254e31e0a8b07fa9388d2d75cfb89a248dc931f12424ea1827af527e1a8f10af2d2dd4143cd5ba2bb2a928d3f4

  • SSDEEP

    3072:HGRf4w6gH9kEfvtXLDqjLjIPOSASb8hfoFop4TDCr0iGMrAACu:HGRQfgH9LJDqjvc44TDG0i3rfh

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      3b50210d61984bfae5bb86a578ddc490N.exe

    • Size

      184KB

    • MD5

      3b50210d61984bfae5bb86a578ddc490

    • SHA1

      545f9a863fad86816b09509ab918f0564cf2028e

    • SHA256

      c7e4f4b1440aff31bbb0ef410ca535375ece1a84f9485507363313369234b769

    • SHA512

      96d9e984b9129de388c1b3b90fdf0c78d8782f254e31e0a8b07fa9388d2d75cfb89a248dc931f12424ea1827af527e1a8f10af2d2dd4143cd5ba2bb2a928d3f4

    • SSDEEP

      3072:HGRf4w6gH9kEfvtXLDqjLjIPOSASb8hfoFop4TDCr0iGMrAACu:HGRQfgH9LJDqjvc44TDG0i3rfh

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (52) 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.

    • Deletes itself

    • 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