Overview

overview

10

Static

static

3

ac6a645304...18.exe

windows7-x64

10

ac6a645304...18.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target

    ac6a64530424799b0a3eea734b8df658_JaffaCakes118

  • Size

    248KB

  • Sample

    240819-yy9baatdme

  • MD5

    ac6a64530424799b0a3eea734b8df658

  • SHA1

    7df10712b034a4f941c04e6953a273d48c6e7d36

  • SHA256

    a3a5461400bc261725a311033d7cb5b775e2c028ea6fa0f371c59ad5b70da48f

  • SHA512

    0976d511a2404fcbe2593974abf1a00658b7cd8fbf473bb8068c4252a81d7a2dd14579f57263021e11c81c346ccae15c898722876646b8159de0d9edb38439d4

  • SSDEEP

    3072:352m38/JCWT3HvIT4jg2ZqYJl2GIKhuHEt8p4xCeO4bVFf6q38WSE6hTjH:Qms/JHq2g2nk1KhuktT9bVJvjS9P

Score
10/10
discoveryevasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      ac6a64530424799b0a3eea734b8df658_JaffaCakes118

    • Size

      248KB

    • MD5

      ac6a64530424799b0a3eea734b8df658

    • SHA1

      7df10712b034a4f941c04e6953a273d48c6e7d36

    • SHA256

      a3a5461400bc261725a311033d7cb5b775e2c028ea6fa0f371c59ad5b70da48f

    • SHA512

      0976d511a2404fcbe2593974abf1a00658b7cd8fbf473bb8068c4252a81d7a2dd14579f57263021e11c81c346ccae15c898722876646b8159de0d9edb38439d4

    • SSDEEP

      3072:352m38/JCWT3HvIT4jg2ZqYJl2GIKhuHEt8p4xCeO4bVFf6q38WSE6hTjH:Qms/JHq2g2nk1KhuktT9bVJvjS9P

    Score
    10/10
    discoveryevasionpersistenceransomwarespywarestealertrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (57) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Blocklisted process makes network request

    • 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
    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