Malware Analysis Report

2025-01-22 19:23

Sample ID 240807-smzd2szfpn
Target 2024-08-07_e0ab01f66e3ffebe213f566ea08a12a8_cobalt-strike_cobaltstrike_poet-rat
SHA256 b1af5dfab626a3124588e6f951da6c90c3c8fed82912476e59ff0fd003f33811
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

b1af5dfab626a3124588e6f951da6c90c3c8fed82912476e59ff0fd003f33811

Threat Level: Known bad

The file 2024-08-07_e0ab01f66e3ffebe213f566ea08a12a8_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 15:15

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 15:15

Reported

2024-08-07 15:17

Platform

win7-20240708-en

Max time kernel

132s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_e0ab01f66e3ffebe213f566ea08a12a8_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_e0ab01f66e3ffebe213f566ea08a12a8_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_e0ab01f66e3ffebe213f566ea08a12a8_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/1720-0-0x000000013F840000-0x000000013FB94000-memory.dmp

memory/1720-1-0x00000000000F0000-0x0000000000100000-memory.dmp

memory/1720-2-0x000000013F840000-0x000000013FB94000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-07 15:15

Reported

2024-08-07 15:17

Platform

win10v2004-20240802-en

Max time kernel

131s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_e0ab01f66e3ffebe213f566ea08a12a8_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_e0ab01f66e3ffebe213f566ea08a12a8_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_e0ab01f66e3ffebe213f566ea08a12a8_cobalt-strike_cobaltstrike_poet-rat.exe"

Network

Country Destination Domain Proto
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.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 8.8.8.8:53 198.187.3.20.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
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp

Files

memory/2372-0-0x00007FF671090000-0x00007FF6713E4000-memory.dmp

memory/2372-1-0x00000267A0E30000-0x00000267A0E40000-memory.dmp

memory/2372-2-0x00007FF671090000-0x00007FF6713E4000-memory.dmp