Overview

overview

10

Static

static

3

a6f7a6e87b...d0.exe

windows7-x64

10

a6f7a6e87b...d0.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e8e50f8e8c3f7e7ec8a40eba7414b7ab.zip

  • Size

    141KB

  • Sample

    240903-flrllaxfnp

  • MD5

    4053d12caf8a01ceda7d8fe00f8c3d8d

  • SHA1

    8cb120e7dcf089cb6454ed7bb1e7c5c330c3e97c

  • SHA256

    3d5d775ae8524bdfe810fc41b44f3d40a89ee32a06985c38eeb2e4f35670c5b6

  • SHA512

    8797b8a30182dc26be9af1a589c0171452c901de9384177004947d362b9ef776f5321a4e2e59f140cb6a669e45666186199fbc1e07b76c056b5f816124845e15

  • SSDEEP

    3072:xHdeQIPunXoNNpp9BOqDnjkd0AWC+9GICul5DJWdqtF4/Ef1Sb:x9eQhXoNPp9BVfkiAWC+9GI971Wjstg

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      a6f7a6e87bacfb38f63af467530d6e0d1ff2a4a4ed9a7a32063920a67b0057d0

    • Size

      208KB

    • MD5

      e8e50f8e8c3f7e7ec8a40eba7414b7ab

    • SHA1

      69fd0c614bcd2616cddb7d8c98dd50aa82f744ae

    • SHA256

      a6f7a6e87bacfb38f63af467530d6e0d1ff2a4a4ed9a7a32063920a67b0057d0

    • SHA512

      6f8309c5de3b6f031587808c0c8bd9ae582fda9882edf4c50bd366b34b5359b625604f07ac9e67e0e7c4ecaa5158fe6e869faa81282d14db7953f178e661bfe9

    • SSDEEP

      6144:nKgKrD7EJBNn4uQkKNLjnWYIKbkqu9aSN:nHi8BNn4uTKNPWYI1uk

    Score
    10/10
    discoveryevasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (79) 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