Malware Analysis Report

2024-08-06 11:01

Sample ID 240427-lpfldsge6z
Target replacePara.exe
SHA256 c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe
Tags
cobaltstrike 100000000 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

c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe

Threat Level: Known bad

The file replacePara.exe was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000000 backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-27 09:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-27 09:42

Reported

2024-04-27 09:44

Platform

win7-20240419-en

Max time kernel

120s

Max time network

120s

Command Line

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

Signatures

N/A

Processes

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

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

Network

Country Destination Domain Proto
HK 156.245.13.36:8080 tcp
HK 156.245.13.36:8080 tcp

Files

memory/2288-0-0x0000000000400000-0x00000000004D9000-memory.dmp

memory/2288-4-0x0000000000400000-0x00000000004D9000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-27 09:42

Reported

2024-04-27 09:45

Platform

win10v2004-20240226-en

Max time kernel

152s

Max time network

156s

Command Line

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

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

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

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

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
HK 156.245.13.36:8080 156.245.13.36 tcp
US 8.8.8.8:53 36.13.245.156.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
HK 156.245.13.36:443 156.245.13.36 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 13.107.253.67:443 tcp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
HK 156.245.13.36:443 156.245.13.36 tcp
HK 156.245.13.36:443 156.245.13.36 tcp
HK 156.245.13.36:443 156.245.13.36 tcp
US 8.8.8.8:53 106.246.116.51.in-addr.arpa udp

Files

memory/792-2-0x0000000003930000-0x0000000003965000-memory.dmp

memory/792-1-0x0000000003970000-0x0000000003DE2000-memory.dmp

memory/792-5-0x0000000000400000-0x00000000004D9000-memory.dmp

memory/792-8-0x0000000003930000-0x0000000003965000-memory.dmp