Malware Analysis Report

2024-10-19 06:23

Sample ID 240914-r9ywcszfkd
Target fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98
SHA256 fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98
Tags
cobaltstrike 100000 backdoor persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98

Threat Level: Known bad

The file fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98 was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 100000 backdoor persistence trojan

Cobaltstrike

Adds Run key to start application

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-14 14:54

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-14 14:54

Reported

2024-09-14 14:56

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyAppName = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe" C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe

"C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
HK 202.181.26.160:81 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
US 8.8.8.8:53 232.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 160.26.181.202.in-addr.arpa udp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
US 8.8.8.8:53 43.56.20.217.in-addr.arpa udp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp

Files

memory/4088-2-0x0000000002990000-0x0000000002991000-memory.dmp

memory/4088-4-0x00000000029A0000-0x0000000002DA0000-memory.dmp

memory/4088-3-0x0000000002DA0000-0x0000000003212000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-14 14:54

Reported

2024-09-14 14:56

Platform

win7-20240903-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyAppName = "C:\\Users\\Admin\\AppData\\Local\\Temp\\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe" C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe

"C:\Users\Admin\AppData\Local\Temp\fd4dd48ccc9024daac14710ba64c25e1df13123e90f34d2ef35a0ee462cf9e98.exe"

Network

Country Destination Domain Proto
HK 202.181.26.160:81 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
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HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp
HK 202.181.26.160:8001 202.181.26.160 tcp

Files

memory/2100-2-0x0000000002460000-0x0000000002461000-memory.dmp

memory/2100-4-0x0000000003090000-0x0000000003490000-memory.dmp

memory/2100-3-0x0000000003490000-0x0000000003902000-memory.dmp