Malware Analysis Report

2024-10-16 05:21

Sample ID 240729-vc87lsyfqk
Target a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7
SHA256 a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7
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

a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7

Threat Level: Known bad

The file a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7 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 16:51

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 16:51

Reported

2024-07-29 16:54

Platform

win7-20240704-en

Max time kernel

140s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.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\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.exe

"C:\Users\Admin\AppData\Local\Temp\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.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/2288-0-0x0000000000300000-0x0000000000347000-memory.dmp

memory/2288-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2288-2-0x0000000000220000-0x0000000000253000-memory.dmp

memory/2288-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 16:51

Reported

2024-07-29 16:54

Platform

win10v2004-20240709-en

Max time kernel

140s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.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\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.exe

"C:\Users\Admin\AppData\Local\Temp\a1032a6bc770be8bd0a1a2f64301f8e7e0ee161a7889ebc1d1ea06b1ab160ae7.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 204.79.197.237:443 g.bing.com tcp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 5.39.222.87:80 tcp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/848-0-0x00000000021D0000-0x0000000002217000-memory.dmp

memory/848-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/848-2-0x00000000023B0000-0x00000000023E3000-memory.dmp

memory/848-3-0x0000000000400000-0x000000000045F000-memory.dmp