Malware Analysis Report

2025-01-18 18:18

Sample ID 241216-jsdvvs1nbz
Target f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118
SHA256 d4ff4b73d7e89f80d78239a349c0197022c9d9306e5b59fdb71894040bc36489
Tags
locky discovery ransomware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d4ff4b73d7e89f80d78239a349c0197022c9d9306e5b59fdb71894040bc36489

Threat Level: Known bad

The file f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

locky discovery ransomware

Locky

Locky family

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-16 07:55

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-16 07:55

Reported

2024-12-16 07:58

Platform

win7-20240903-en

Max time kernel

118s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe"

Signatures

Locky

ransomware locky

Locky family

locky

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

Country Destination Domain Proto
RU 94.242.57.45:80 tcp
DE 46.4.239.76:80 tcp
US 8.8.8.8:53 wjcclb.de udp
US 8.8.8.8:53 kycvukxfe.uk udp
US 8.8.8.8:53 xoyfhrukelql.uk udp
US 8.8.8.8:53 perjjaiilhe.pm udp
US 8.8.8.8:53 dtovdhpnswlsnm.de udp
US 8.8.8.8:53 ugqvsdpxmbpte.in udp
RU 94.242.57.45:80 tcp
DE 46.4.239.76:80 tcp

Files

memory/2512-0-0x0000000000820000-0x000000000083B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-16 07:55

Reported

2024-12-16 07:58

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe"

Signatures

Locky

ransomware locky

Locky family

locky

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\f809f03e81cfaddcf44c51c4f19e239a_JaffaCakes118.exe"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
DE 46.4.239.76:80 tcp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
RU 94.242.57.45:80 tcp
US 8.8.8.8:53 wjcclb.de udp
US 8.8.8.8:53 kycvukxfe.uk udp
US 8.8.8.8:53 xoyfhrukelql.uk udp
US 8.8.8.8:53 perjjaiilhe.pm udp
US 8.8.8.8:53 dtovdhpnswlsnm.de udp
US 8.8.8.8:53 ugqvsdpxmbpte.in udp
DE 46.4.239.76:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
RU 94.242.57.45:80 tcp
US 8.8.8.8:53 wjcclb.de udp
US 8.8.8.8:53 kycvukxfe.uk udp
US 8.8.8.8:53 xoyfhrukelql.uk udp
US 8.8.8.8:53 perjjaiilhe.pm udp
US 8.8.8.8:53 dtovdhpnswlsnm.de udp
US 8.8.8.8:53 ugqvsdpxmbpte.in udp
DE 46.4.239.76:80 tcp

Files

memory/1292-0-0x0000000002F90000-0x0000000002FAB000-memory.dmp