Malware Analysis Report

2024-10-23 18:43

Sample ID 240609-f9a9hsec5z
Target 926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d
SHA256 926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d
Tags
cobaltstrike backdoor trojan
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

926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d

Threat Level: Known bad

The file 926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Cobaltstrike family

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-09 05:33

Signatures

Cobaltstrike family

cobaltstrike

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-09 05:33

Reported

2024-06-09 05:36

Platform

win7-20240215-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d.exe

"C:\Users\Admin\AppData\Local\Temp\926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d.exe"

Network

Country Destination Domain Proto
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp

Files

memory/2748-0-0x0000000048080000-0x0000000048081000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-09 05:33

Reported

2024-06-09 05:36

Platform

win10v2004-20240226-en

Max time kernel

141s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d.exe

"C:\Users\Admin\AppData\Local\Temp\926c1f3385e5b81c53bdab95a50f44b0c1158dbfbaefe9ba05bcc4c35365f16d.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=4460 --field-trial-handle=2692,i,8678872182442199182,12502579059484928042,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
CN 152.136.100.26:80 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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
CN 152.136.100.26:80 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
CN 152.136.100.26:80 tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
FR 142.250.75.234:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 234.75.250.142.in-addr.arpa udp
CN 152.136.100.26:80 tcp
US 8.8.8.8:53 82.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
CN 152.136.100.26:80 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
CN 152.136.100.26:80 tcp
CN 152.136.100.26:80 tcp
US 8.8.8.8:53 253.15.104.51.in-addr.arpa udp

Files

memory/4964-0-0x000002B2ED7B0000-0x000002B2ED7B1000-memory.dmp