Malware Analysis Report

2024-10-16 05:22

Sample ID 240730-gpelwavbrp
Target 1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea
SHA256 1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea
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

1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea

Threat Level: Known bad

The file 1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea was found to be: Known bad.

Malicious Activity Summary

cobaltstrike 1359593325 backdoor discovery trojan cryptone packer

Cobaltstrike

CryptOne packer

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-30 05:58

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

2024-07-30 05:58

Reported

2024-07-30 06:01

Platform

win7-20240708-en

Max time kernel

140s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.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\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.exe

"C:\Users\Admin\AppData\Local\Temp\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.exe"

Network

Country Destination Domain Proto
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp
NL 5.39.222.84:80 tcp

Files

memory/2672-0-0x0000000000230000-0x0000000000277000-memory.dmp

memory/2672-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2672-2-0x00000000002D0000-0x0000000000303000-memory.dmp

memory/2672-3-0x0000000000400000-0x000000000045F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-30 05:58

Reported

2024-07-30 06:01

Platform

win10v2004-20240709-en

Max time kernel

141s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.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\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.exe

"C:\Users\Admin\AppData\Local\Temp\1f877d842d8e9ba9c0493d4832bc2c9f03df02214d6e3d4e45d8146654bc69ea.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.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 81.144.22.2.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/3992-0-0x0000000002090000-0x00000000020D7000-memory.dmp

memory/3992-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3992-2-0x0000000002230000-0x0000000002263000-memory.dmp

memory/3992-3-0x0000000000400000-0x000000000045F000-memory.dmp