Overview

overview

10

Static

static

3

02539c5804...18.exe

windows7-x64

10

02539c5804...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    02539c580448cf8078ca317f500e2fee_JaffaCakes118

  • Size

    1.7MB

  • Sample

    240427-d4zc2sab44

  • MD5

    02539c580448cf8078ca317f500e2fee

  • SHA1

    70ddd915a550ca3651effb446af1adb4b9f5d8fb

  • SHA256

    cca45d77fa86177709457c2638ece6d17c5572cc41a2354b3d05443a7de59952

  • SHA512

    6a8f80f1b224a2020691bea56f850fcdb071f16d5cc7d0df863c703e142ca1b09b59d529a6a8f62489ab346c8352798df879aacd074d907e37d662011b74124d

  • SSDEEP

    24576:JJ23eWAvbYRExX8dx4ephQYN/FCqDOvHVKUO1Fra:JJZXQx5pio/FCqr14

Score
10/10
evasionpersistenceransomwarespywarestealertrojan

Malware Config

Targets

    • Target

      02539c580448cf8078ca317f500e2fee_JaffaCakes118

    • Size

      1.7MB

    • MD5

      02539c580448cf8078ca317f500e2fee

    • SHA1

      70ddd915a550ca3651effb446af1adb4b9f5d8fb

    • SHA256

      cca45d77fa86177709457c2638ece6d17c5572cc41a2354b3d05443a7de59952

    • SHA512

      6a8f80f1b224a2020691bea56f850fcdb071f16d5cc7d0df863c703e142ca1b09b59d529a6a8f62489ab346c8352798df879aacd074d907e37d662011b74124d

    • SSDEEP

      24576:JJ23eWAvbYRExX8dx4ephQYN/FCqDOvHVKUO1Fra:JJZXQx5pio/FCqr14

    Score
    10/10
    evasionpersistencespywarestealertrojanransomware

    • Modifies visibility of file extensions in Explorer

      evasion

    • UAC bypass

      evasiontrojan

    • Renames multiple (65) 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 Matrix ATT&CK v13

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

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Modify Registry

4
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks