Malware Analysis Report

2024-08-06 11:00

Sample ID 240331-l2cp9shh51
Target 8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13
SHA256 8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13
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

8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13

Threat Level: Known bad

The file 8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13 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

2024-03-31 10:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-31 10:01

Reported

2024-03-31 10:03

Platform

win7-20240221-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13.exe

"C:\Users\Admin\AppData\Local\Temp\8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 yhycslsgmscb.uk udp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp
US 172.67.138.188:8443 yhycslsgmscb.uk tcp

Files

memory/2756-0-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2756-2-0x0000000004250000-0x0000000004650000-memory.dmp

memory/2756-1-0x0000000004650000-0x0000000004AC2000-memory.dmp

memory/2756-3-0x000000013F0A0000-0x000000013F129000-memory.dmp

memory/2756-4-0x000000013F0A0000-0x000000013F129000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-31 10:01

Reported

2024-03-31 10:03

Platform

win10v2004-20240226-en

Max time kernel

145s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13.exe

"C:\Users\Admin\AppData\Local\Temp\8e8df2006c2b688b95716fdba9a91d07c421997d0e9d35f4a3ba2ea07057da13.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=4160 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
GB 142.250.178.10:443 tcp
US 8.8.8.8:53 yhycslsgmscb.uk udp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 8.8.8.8:53 244.78.21.104.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 202.135.221.88.in-addr.arpa udp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
GB 23.44.234.16:80 tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 13.107.253.64:443 tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp
US 8.8.8.8:53 59.189.79.40.in-addr.arpa udp
US 104.21.78.244:8443 yhycslsgmscb.uk tcp

Files

memory/5032-0-0x000001DDB6770000-0x000001DDB6771000-memory.dmp

memory/5032-1-0x000001DDB8A20000-0x000001DDB8E92000-memory.dmp

memory/5032-2-0x000001DDB8620000-0x000001DDB8A20000-memory.dmp

memory/5032-3-0x00007FF63F710000-0x00007FF63F799000-memory.dmp

memory/5032-5-0x000001DDB8620000-0x000001DDB8A20000-memory.dmp

memory/5032-16-0x00007FF63F710000-0x00007FF63F799000-memory.dmp