Malware Analysis Report

2025-08-11 04:47

Sample ID 250108-flel2avnaz
Target JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061
SHA256 91b43c7b43d0db9083d323851396f295baa46ec2ae7bf95822c77972f9b37b03
Tags
cobaltstrike backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

91b43c7b43d0db9083d323851396f295baa46ec2ae7bf95822c77972f9b37b03

Threat Level: Known bad

The file JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Cobaltstrike family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2025-01-08 04:57

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-08 04:57

Reported

2025-01-08 04:59

Platform

win7-20240903-en

Max time kernel

140s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Cobaltstrike family

cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061.exe"

Network

Country Destination Domain Proto
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp

Files

memory/2364-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2364-1-0x000000013FE40000-0x000000013FEC7000-memory.dmp

memory/2364-2-0x000000013FE40000-0x000000013FEC7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-01-08 04:57

Reported

2025-01-08 04:59

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Cobaltstrike family

cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c8fbbcffe2997d51f3ed0027f070061.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 22.49.80.91.in-addr.arpa udp
CN 106.52.65.141:1234 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
CN 106.52.65.141:1234 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
CN 106.52.65.141:1234 tcp
US 8.8.8.8:53 86.49.80.91.in-addr.arpa udp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp
US 8.8.8.8:53 134.130.81.91.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp
CN 106.52.65.141:1234 tcp

Files

memory/1472-0-0x0000015005F80000-0x0000015005F81000-memory.dmp

memory/1472-1-0x00007FF6B9250000-0x00007FF6B92D7000-memory.dmp

memory/1472-13-0x00007FF6B9250000-0x00007FF6B92D7000-memory.dmp