Malware Analysis Report

2025-08-05 14:15

Sample ID 240305-khxqnaag4z
Target 1e7e67bdb5df7fb45bed0178f61c0383.exe
SHA256 0efd061d82a0ec20e5730757f176f68066b7827ed1855ef185cbaeee6ab6576a
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

0efd061d82a0ec20e5730757f176f68066b7827ed1855ef185cbaeee6ab6576a

Threat Level: Known bad

The file 1e7e67bdb5df7fb45bed0178f61c0383.exe was found to be: Known bad.

Malicious Activity Summary

cobaltstrike backdoor trojan

Cobaltstrike

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-05 08:36

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-05 08:36

Reported

2024-03-05 08:39

Platform

win7-20240220-en

Max time kernel

147s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e7e67bdb5df7fb45bed0178f61c0383.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\1e7e67bdb5df7fb45bed0178f61c0383.exe

"C:\Users\Admin\AppData\Local\Temp\1e7e67bdb5df7fb45bed0178f61c0383.exe"

Network

Country Destination Domain Proto
CN 122.51.118.39:23333 tcp
CN 122.51.118.39:23333 tcp
CN 122.51.118.39:23333 tcp
CN 122.51.118.39:23333 tcp
CN 122.51.118.39:23333 tcp
CN 122.51.118.39:23333 tcp
CN 122.51.118.39:23333 tcp
CN 122.51.118.39:23333 tcp

Files

memory/2276-0-0x00000000003F0000-0x00000000003F1000-memory.dmp

memory/2276-1-0x0000000000400000-0x0000000000459000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-05 08:36

Reported

2024-03-05 08:39

Platform

win10v2004-20240226-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e7e67bdb5df7fb45bed0178f61c0383.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Processes

C:\Users\Admin\AppData\Local\Temp\1e7e67bdb5df7fb45bed0178f61c0383.exe

"C:\Users\Admin\AppData\Local\Temp\1e7e67bdb5df7fb45bed0178f61c0383.exe"

Network

Country Destination Domain Proto
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp
US 20.231.121.79:80 tcp
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 27.134.221.88.in-addr.arpa udp
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 13.227.111.52.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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
CN 122.51.118.39:23333 tcp
US 8.8.8.8:53 176.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 35.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp
GB 88.221.135.217:80 tcp
GB 88.221.135.217:80 tcp

Files

memory/5864-0-0x00000000006E0000-0x00000000006E1000-memory.dmp

memory/5864-1-0x0000000000400000-0x0000000000459000-memory.dmp