Malware Analysis Report

2025-01-22 19:24

Sample ID 240807-sjvaxstcjg
Target 2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat
SHA256 067727c9c9b74cba31c879d62afab81a7a25df0e26a9491df331969b0a2510b7
Tags
miner upx 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

067727c9c9b74cba31c879d62afab81a7a25df0e26a9491df331969b0a2510b7

Threat Level: Known bad

The file 2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat was found to be: Known bad.

Malicious Activity Summary

miner upx 0 xmrig cobaltstrike

Cobaltstrike family

xmrig

Cobalt Strike reflective loader

XMRig Miner payload

Xmrig family

XMRig Miner payload

UPX packed file

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-08-07 15:09

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

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-07 15:09

Reported

2024-08-07 15:12

Platform

win7-20240705-en

Max time kernel

132s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

xmrig

miner xmrig

XMRig Miner payload

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

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat.exe"

Network

Country Destination Domain Proto
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp

Files

memory/2352-0-0x000000013F8B0000-0x000000013FC04000-memory.dmp

memory/2352-1-0x0000000000080000-0x0000000000090000-memory.dmp

memory/2352-2-0x000000013F8B0000-0x000000013FC04000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-07 15:09

Reported

2024-08-07 15:12

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat.exe"

Signatures

xmrig

miner xmrig

XMRig Miner payload

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

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_b3e91729515e1febb8e9483d1fd860f1_cobalt-strike_cobaltstrike_poet-rat.exe"

Network

Country Destination Domain Proto
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
DE 3.120.209.58:8080 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 71.190.18.2.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp

Files

memory/3356-0-0x00007FF7CDAA0000-0x00007FF7CDDF4000-memory.dmp

memory/3356-1-0x000001A00D9E0000-0x000001A00D9F0000-memory.dmp

memory/3356-2-0x00007FF7CDAA0000-0x00007FF7CDDF4000-memory.dmp