Malware Analysis Report

2025-01-22 19:22

Sample ID 240807-r9z4eszekm
Target 2024-08-07_48aee6b3000315746ebf161393ff27a7_cobalt-strike_cobaltstrike_poet-rat
SHA256 21d231a83f3dfdf27dfa7376943847fb83ed6ee3fe191bd2779f1fc1d961bcc0
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

21d231a83f3dfdf27dfa7376943847fb83ed6ee3fe191bd2779f1fc1d961bcc0

Threat Level: Known bad

The file 2024-08-07_48aee6b3000315746ebf161393ff27a7_cobalt-strike_cobaltstrike_poet-rat was found to be: Known bad.

Malicious Activity Summary

miner upx 0 xmrig cobaltstrike

Cobaltstrike family

XMRig Miner payload

Xmrig family

Cobalt Strike reflective loader

xmrig

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 14:54

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 14:54

Reported

2024-08-07 14:56

Platform

win7-20240729-en

Max time kernel

132s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_48aee6b3000315746ebf161393ff27a7_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_48aee6b3000315746ebf161393ff27a7_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_48aee6b3000315746ebf161393ff27a7_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/2116-1-0x000000013FF60000-0x00000001402B4000-memory.dmp

memory/2116-0-0x00000000001F0000-0x0000000000200000-memory.dmp

memory/2116-2-0x000000013FF60000-0x00000001402B4000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-07 14:54

Reported

2024-08-07 14:56

Platform

win10v2004-20240802-en

Max time kernel

131s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_48aee6b3000315746ebf161393ff27a7_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_48aee6b3000315746ebf161393ff27a7_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_48aee6b3000315746ebf161393ff27a7_cobalt-strike_cobaltstrike_poet-rat.exe"

Network

Country Destination Domain Proto
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 101.58.20.217.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 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 73.190.18.2.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp

Files

memory/3828-0-0x00007FF7349A0000-0x00007FF734CF4000-memory.dmp

memory/3828-1-0x0000027CC4E50000-0x0000027CC4E60000-memory.dmp

memory/3828-2-0x00007FF7349A0000-0x00007FF734CF4000-memory.dmp