Malware Analysis Report

2025-01-22 19:23

Sample ID 240807-srlnratcpf
Target 2024-08-07_f526c15b930118882235933113f01e2b_cobalt-strike_cobaltstrike_poet-rat
SHA256 bae06e1a32173fc9bab0a623f61a8f33383002b68485df7da13081381f533443
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

bae06e1a32173fc9bab0a623f61a8f33383002b68485df7da13081381f533443

Threat Level: Known bad

The file 2024-08-07_f526c15b930118882235933113f01e2b_cobalt-strike_cobaltstrike_poet-rat was found to be: Known bad.

Malicious Activity Summary

miner upx 0 xmrig cobaltstrike

Cobalt Strike reflective loader

XMRig Miner payload

Cobaltstrike family

Xmrig family

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 15:21

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 15:21

Reported

2024-08-07 15:24

Platform

win7-20240708-en

Max time kernel

132s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_f526c15b930118882235933113f01e2b_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_f526c15b930118882235933113f01e2b_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_f526c15b930118882235933113f01e2b_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/2380-0-0x000000013FFB0000-0x0000000140304000-memory.dmp

memory/2380-1-0x00000000000F0000-0x0000000000100000-memory.dmp

memory/2380-2-0x000000013FFB0000-0x0000000140304000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-07 15:21

Reported

2024-08-07 15:24

Platform

win10v2004-20240802-en

Max time kernel

131s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_f526c15b930118882235933113f01e2b_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_f526c15b930118882235933113f01e2b_cobalt-strike_cobaltstrike_poet-rat.exe

"C:\Users\Admin\AppData\Local\Temp\2024-08-07_f526c15b930118882235933113f01e2b_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 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 22.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.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 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 22.58.20.217.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 52.111.227.11:443 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp

Files

memory/2904-0-0x00007FF7ED490000-0x00007FF7ED7E4000-memory.dmp

memory/2904-1-0x000001C1B3130000-0x000001C1B3140000-memory.dmp

memory/2904-2-0x00007FF7ED490000-0x00007FF7ED7E4000-memory.dmp