Malware Analysis Report

2024-10-19 06:23

Sample ID 240916-nnswfavfqm
Target 3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8
SHA256 3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8
Tags
cobaltstrike 100000 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

3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8

Threat Level: Known bad

The file 3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000 backdoor trojan

Cobaltstrike

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-09-16 11:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-16 11:32

Reported

2024-09-16 11:35

Platform

win7-20240903-en

Max time kernel

12s

Max time network

19s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8.exe

"C:\Users\Admin\AppData\Local\Temp\3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-16 11:32

Reported

2024-09-16 11:35

Platform

win10v2004-20240802-en

Max time kernel

147s

Max time network

148s

Command Line

C:\Windows\Explorer.EXE

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1968 wrote to memory of 3444 N/A C:\Users\Admin\AppData\Local\Temp\3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8.exe C:\Windows\Explorer.EXE

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8.exe

"C:\Users\Admin\AppData\Local\Temp\3d1777067e8abdb06ade4e721755cf7fea19ab4d1520f88c52a69001b70fcad8.exe"

Network

Country Destination Domain Proto
CN 124.70.102.178:1145 tcp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
CN 124.70.102.178:1145 tcp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
CN 124.70.102.178:1145 tcp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
CN 124.70.102.178:1145 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp
CN 124.70.102.178:1145 tcp

Files

memory/3444-0-0x0000000007290000-0x00000000072D1000-memory.dmp

memory/3444-2-0x000000000C720000-0x000000000CB92000-memory.dmp