Malware Analysis Report

2024-10-16 05:22

Sample ID 240729-r8kx4sxfnc
Target f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f
SHA256 f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f
Tags
cobaltstrike 1359593325 backdoor discovery trojan cryptone packer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f

Threat Level: Known bad

The file f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 1359593325 backdoor discovery trojan cryptone packer

Cobaltstrike

CryptOne packer

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 14:51

Signatures

CryptOne packer

cryptone packer
Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 14:51

Reported

2024-07-29 14:55

Platform

win7-20240704-en

Max time kernel

142s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe

"C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe"

Network

Country Destination Domain Proto
NL 5.39.222.87:80 tcp
NL 5.39.222.87:80 tcp
NL 5.39.222.87:80 tcp
NL 5.39.222.87:80 tcp

Files

memory/2292-0-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2292-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2292-2-0x0000000000350000-0x0000000000383000-memory.dmp

memory/2292-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 14:51

Reported

2024-07-29 14:55

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe"

Signatures

Cobaltstrike

trojan backdoor cobaltstrike

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe

"C:\Users\Admin\AppData\Local\Temp\f11df009b85094c4532b148289321ee16e23bd50c8add86e2ce4eb033f4ecf8f.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3468-0-0x00007FFF34F90000-0x00007FFF35185000-memory.dmp

memory/3468-1-0x0000000002220000-0x0000000002253000-memory.dmp

memory/3468-2-0x0000000000400000-0x000000000045F000-memory.dmp

memory/3468-4-0x00007FFF34F90000-0x00007FFF35185000-memory.dmp