Malware Analysis Report

2024-08-06 11:00

Sample ID 240310-jt4gxafg33
Target ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67
SHA256 ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67
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

ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67

Threat Level: Known bad

The file ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000000 backdoor trojan

Cobaltstrike

Unsigned PE

GoLang User-Agent

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-03-10 07:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-10 07:58

Reported

2024-03-10 08:01

Platform

win7-20240221-en

Max time kernel

121s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67.exe

"C:\Users\Admin\AppData\Local\Temp\ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-10 07:58

Reported

2024-03-10 08:01

Platform

win10v2004-20240226-en

Max time kernel

151s

Max time network

163s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

GoLang User-Agent

Description Indicator Process Target
HTTP User-Agent header Go-http-client/1.1 N/A N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67.exe

"C:\Users\Admin\AppData\Local\Temp\ceef9f720fefdf5d351bdfb367fc46074b95331ed40ecd25f41778d85c291d67.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.baidu.com udp
HK 103.235.46.40:80 www.baidu.com tcp
US 107.173.148.246:80 cs.obelia.club tcp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 40.46.235.103.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 107.173.148.246:80 cs.obelia.club tcp
US 8.8.8.8:53 246.148.173.107.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.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 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 176.178.17.96.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
US 107.173.148.246:80 cs.obelia.club tcp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 107.173.148.246:80 cs.obelia.club tcp
US 107.173.148.246:80 cs.obelia.club tcp
US 8.8.8.8:53 84.65.42.20.in-addr.arpa udp

Files

memory/1684-0-0x00000292FD8C0000-0x00000292FD8C1000-memory.dmp

memory/1684-1-0x00000292FE0B0000-0x00000292FE522000-memory.dmp

memory/1684-2-0x00000292FDCB0000-0x00000292FE0B0000-memory.dmp

memory/1684-3-0x00000292FDCB0000-0x00000292FE0B0000-memory.dmp