Malware Analysis Report

2025-08-06 02:05

Sample ID 241027-mjfvmsxerl
Target 2024-10-27_4095058f79d722361ffe928d5b82ecbe_cobalt-strike_cobaltstrike_poet-rat
SHA256 b9df2fa235c8b0e5f3cf9e5ed1fd1ead434743ce81086a08fbb92218e8565f3c
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

b9df2fa235c8b0e5f3cf9e5ed1fd1ead434743ce81086a08fbb92218e8565f3c

Threat Level: Known bad

The file 2024-10-27_4095058f79d722361ffe928d5b82ecbe_cobalt-strike_cobaltstrike_poet-rat was found to be: Known bad.

Malicious Activity Summary

miner 0 xmrig cobaltstrike

Cobaltstrike family

XMRig Miner payload

Xmrig family

xmrig

Cobalt Strike reflective loader

XMRig Miner payload

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-10-27 10:29

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

2024-10-27 10:29

Reported

2024-10-27 10:32

Platform

win7-20240708-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_4095058f79d722361ffe928d5b82ecbe_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-27_4095058f79d722361ffe928d5b82ecbe_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_4095058f79d722361ffe928d5b82ecbe_cobalt-strike_cobaltstrike_poet-rat.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2960 -s 72

Network

N/A

Files

memory/2960-0-0x000000013FD80000-0x00000001400CD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-27 10:29

Reported

2024-10-27 10:32

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_4095058f79d722361ffe928d5b82ecbe_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-27_4095058f79d722361ffe928d5b82ecbe_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-27_4095058f79d722361ffe928d5b82ecbe_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 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 69.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.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
US 8.8.8.8:53 udp

Files

N/A