Malware Analysis Report

2025-03-15 08:08

Sample ID 240813-kftafstcre
Target 2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat
SHA256 ce40504d36ea0f93fddedc9930b6d66eee7fa7025cedaef4881d6dd6a00b8e25
Tags
miner 0 xmrig cobaltstrike
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

ce40504d36ea0f93fddedc9930b6d66eee7fa7025cedaef4881d6dd6a00b8e25

Threat Level: Known bad

The file 2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat was found to be: Known bad.

Malicious Activity Summary

miner 0 xmrig cobaltstrike

Cobalt Strike reflective loader

Cobaltstrike family

XMRig Miner payload

Xmrig family

xmrig

XMRig Miner payload

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-08-13 08:33

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: behavioral1

Detonation Overview

Submitted

2024-08-13 08:32

Reported

2024-08-13 08:35

Platform

win7-20240708-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2556 -s 72

Network

N/A

Files

memory/2556-0-0x000000013FFF0000-0x000000014033D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-13 08:32

Reported

2024-08-13 08:35

Platform

win10v2004-20240802-en

Max time kernel

139s

Max time network

128s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-13_6f99258ab1bed3bebac181a391f0e1d8_cobalt-strike_cobaltstrike_poet-rat.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 140.32.126.40.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 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
NL 52.178.17.2:443 tcp
US 8.8.8.8:53 57.169.31.20.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 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

N/A