Malware Analysis Report

2025-01-22 19:22

Sample ID 240806-npgvkaxhkj
Target 2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_cobalt-strike_cobaltstrike_poet-rat
SHA256 84c1b93055b933288bd178d933fb73e480be965f7d70d2f6af1455222c01b26a
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

84c1b93055b933288bd178d933fb73e480be965f7d70d2f6af1455222c01b26a

Threat Level: Known bad

The file 2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_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

2024-08-06 11:34

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

2024-08-06 11:34

Reported

2024-08-06 11:36

Platform

win7-20240704-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_cobalt-strike_cobaltstrike_poet-rat.exe"

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -u -p 2276 -s 72

Network

N/A

Files

memory/2276-0-0x000000013FDE0000-0x000000014012D000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-06 11:34

Reported

2024-08-06 11:36

Platform

win10v2004-20240802-en

Max time kernel

134s

Max time network

136s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-06_dd255c20c4a7dd4595e0e898787a5f59_cobalt-strike_cobaltstrike_poet-rat.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 122.10.44.20.in-addr.arpa udp

Files

N/A