Malware Analysis Report

2025-01-18 16:06

Sample ID 241204-ay8sraxrfr
Target bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118
SHA256 ac8e713b699fd019b67cbaca58cc35738e05b3308c5abda28656a3097cb4c672
Tags
crimsonrat discovery
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

ac8e713b699fd019b67cbaca58cc35738e05b3308c5abda28656a3097cb4c672

Threat Level: Known bad

The file bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

crimsonrat discovery

CrimsonRAT main payload

Crimsonrat family

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-04 00:38

Signatures

CrimsonRAT main payload

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

Crimsonrat family

crimsonrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-04 00:38

Reported

2024-12-04 00:40

Platform

win7-20240903-en

Max time kernel

141s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe"

Signatures

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\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe"

Network

Country Destination Domain Proto
FR 134.119.181.15:3963 tcp
FR 134.119.181.15:6818 tcp
FR 134.119.181.15:8561 tcp
FR 134.119.181.15:11614 tcp

Files

memory/2900-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

memory/2900-1-0x00000000741C0000-0x000000007476B000-memory.dmp

memory/2900-2-0x00000000741C0000-0x000000007476B000-memory.dmp

memory/2900-3-0x00000000741C0000-0x000000007476B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-04 00:38

Reported

2024-12-04 00:40

Platform

win10v2004-20241007-en

Max time kernel

141s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe"

Signatures

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\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\bffe4ad80bca5fde40911ec90cb10616_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
FR 134.119.181.15:3963 tcp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
FR 134.119.181.15:6818 tcp
FR 134.119.181.15:8561 tcp
FR 134.119.181.15:11614 tcp

Files

memory/5012-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

memory/5012-1-0x00000000750C0000-0x0000000075671000-memory.dmp

memory/5012-2-0x00000000750C0000-0x0000000075671000-memory.dmp

memory/5012-3-0x00000000750C2000-0x00000000750C3000-memory.dmp

memory/5012-4-0x00000000750C0000-0x0000000075671000-memory.dmp

memory/5012-5-0x00000000750C0000-0x0000000075671000-memory.dmp

memory/5012-6-0x00000000750C0000-0x0000000075671000-memory.dmp