Malware Analysis Report

2024-08-06 10:13

Sample ID 240611-tt8fzatcrk
Target 2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike
SHA256 8b15a824bde876bc124d8e93a364edceb4067cd2a20304f818e5c6ecd5ca5fbd
Tags
xmrig miner upx 0 cobaltstrike
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8b15a824bde876bc124d8e93a364edceb4067cd2a20304f818e5c6ecd5ca5fbd

Threat Level: Known bad

The file 2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike was found to be: Known bad.

Malicious Activity Summary

xmrig miner upx 0 cobaltstrike

Cobalt Strike reflective loader

Cobaltstrike family

Detects Reflective DLL injection artifacts

UPX dump on OEP (original entry point)

XMRig Miner payload

xmrig

Xmrig family

UPX dump on OEP (original entry point)

XMRig Miner payload

UPX packed file

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-11 16:22

Signatures

Cobalt Strike reflective loader

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

Cobaltstrike family

cobaltstrike

Detects Reflective DLL injection artifacts

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

UPX dump on OEP (original entry point)

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

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: behavioral2

Detonation Overview

Submitted

2024-06-11 16:22

Reported

2024-06-11 16:24

Platform

win10v2004-20240426-en

Max time kernel

131s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe"

Signatures

xmrig

miner xmrig

UPX dump on OEP (original entry point)

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

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLockMemoryPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe"

Network

Country Destination Domain Proto
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 161.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
US 8.8.8.8:53 155.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
DE 3.120.209.58:8080 tcp
DE 3.120.209.58:8080 tcp

Files

memory/2036-0-0x00007FF70E9B0000-0x00007FF70ED04000-memory.dmp

memory/2036-1-0x0000023AED0E0000-0x0000023AED0F0000-memory.dmp

memory/2036-2-0x00007FF70E9B0000-0x00007FF70ED04000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-11 16:22

Reported

2024-06-11 16:24

Platform

win7-20240221-en

Max time kernel

132s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe"

Signatures

xmrig

miner xmrig

UPX dump on OEP (original entry point)

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

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLockMemoryPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe N/A
Token: SeLockMemoryPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.exe

"C:\Users\Admin\AppData\Local\Temp\2024-06-11_6667b03a84833b3835d2b3589fd6e822_cobalt-strike_cobaltstrike.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/1976-0-0x000000013FB20000-0x000000013FE74000-memory.dmp

memory/1976-1-0x00000000001F0000-0x0000000000200000-memory.dmp

memory/1976-2-0x000000013FB20000-0x000000013FE74000-memory.dmp