Malware Analysis Report

2025-08-06 02:06

Sample ID 241027-mnnfaaxfll
Target 2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat
SHA256 1da1d4b72e31f159e270fa2bcd50f9181f1260c9359f4449eab8d04f07b8d1ff
Tags
miner 0 xmrig cobaltstrike
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

1da1d4b72e31f159e270fa2bcd50f9181f1260c9359f4449eab8d04f07b8d1ff

Threat Level: Known bad

The file 2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat was found to be: Known bad.

Malicious Activity Summary

miner 0 xmrig cobaltstrike

xmrig

Cobalt Strike reflective loader

Cobaltstrike family

XMRig Miner payload

Xmrig family

XMRig Miner payload

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-10-27 10:36

Signatures

Cobalt Strike reflective loader

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

Cobaltstrike family

cobaltstrike

XMRig Miner payload

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

Xmrig family

xmrig

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 10:36

Reported

2024-10-27 10:39

Platform

win10v2004-20241007-en

Max time kernel

132s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat.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 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-27 10:36

Reported

2024-10-27 10:39

Platform

win7-20240903-en

Max time kernel

120s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_90fb243e4c987f40a62d3927a1779ba3_cobalt-strike_cobaltstrike_poet-rat.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 1860 -s 72

Network

N/A

Files

memory/1860-0-0x000000013FDB0000-0x00000001400FD000-memory.dmp