Malware Analysis Report

2024-08-06 10:58

Sample ID 240518-dwkjxshg8s
Target b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3
SHA256 b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3
Tags
cobaltstrike 100000 backdoor trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3

Threat Level: Known bad

The file b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000 backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-18 03:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-18 03:21

Reported

2024-05-18 03:24

Platform

win7-20231129-en

Max time kernel

132s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3.exe

"C:\Users\Admin\AppData\Local\Temp\b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3.exe"

Network

Country Destination Domain Proto
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp

Files

memory/1108-1-0x0000000028870000-0x00000000288B1000-memory.dmp

memory/1108-0-0x00000000288C0000-0x0000000028D32000-memory.dmp

memory/1108-2-0x0000000028870000-0x00000000288B1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-18 03:21

Reported

2024-05-18 03:24

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3.exe

"C:\Users\Admin\AppData\Local\Temp\b042cf20e7acc3f43bf670316fd258c9388e5e475a02dc9b9cd96b27e79e9ec3.exe"

Network

Country Destination Domain Proto
CN 8.130.52.13:8899 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 98.56.20.217.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 74.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
CN 8.130.52.13:8899 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
CN 8.130.52.13:8899 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
CN 8.130.52.13:8899 tcp
CN 8.130.52.13:8899 tcp
US 8.8.8.8:53 26.178.89.13.in-addr.arpa udp

Files

memory/3812-0-0x0000012DA9B40000-0x0000012DA9B81000-memory.dmp

memory/3812-1-0x0000012DA9CD0000-0x0000012DAA142000-memory.dmp