Malware Analysis Report

2024-10-24 21:04

Sample ID 240831-ltk2nsxflh
Target 5dd6d8b67617f92470c34e68ac139df0N.exe
SHA256 6bdf0f4099e1f421418f03612eaaaae3f5d3fe9c3461769eec6134c1c32ee7e2
Tags
cryptone packer cobaltstrike 1359593325 backdoor discovery trojan
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

6bdf0f4099e1f421418f03612eaaaae3f5d3fe9c3461769eec6134c1c32ee7e2

Threat Level: Known bad

The file 5dd6d8b67617f92470c34e68ac139df0N.exe was found to be: Known bad.

Malicious Activity Summary

cryptone packer cobaltstrike 1359593325 backdoor discovery trojan

Cobaltstrike

CryptOne packer

Unsigned PE

System Location Discovery: System Language Discovery

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-31 09:49

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

2024-08-31 09:49

Reported

2024-08-31 09:51

Platform

win7-20240705-en

Max time kernel

119s

Max time network

120s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5dd6d8b67617f92470c34e68ac139df0N.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\5dd6d8b67617f92470c34e68ac139df0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5dd6d8b67617f92470c34e68ac139df0N.exe

"C:\Users\Admin\AppData\Local\Temp\5dd6d8b67617f92470c34e68ac139df0N.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/2080-0-0x00000000001B0000-0x00000000001F7000-memory.dmp

memory/2080-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/2080-2-0x00000000004D0000-0x0000000000503000-memory.dmp

memory/2080-3-0x0000000000400000-0x000000000045F000-memory.dmp

memory/2080-5-0x0000000000400000-0x000000000044B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-31 09:49

Reported

2024-08-31 09:51

Platform

win10v2004-20240802-en

Max time kernel

114s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\5dd6d8b67617f92470c34e68ac139df0N.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\5dd6d8b67617f92470c34e68ac139df0N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\5dd6d8b67617f92470c34e68ac139df0N.exe

"C:\Users\Admin\AppData\Local\Temp\5dd6d8b67617f92470c34e68ac139df0N.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3364,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4332 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
NL 5.39.222.84:80 tcp
US 8.8.8.8:53 55.36.223.20.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

Files

memory/3328-0-0x00000000021B0000-0x00000000021F7000-memory.dmp

memory/3328-1-0x0000000000400000-0x000000000044B000-memory.dmp

memory/3328-2-0x0000000002350000-0x0000000002383000-memory.dmp

memory/3328-3-0x0000000000400000-0x000000000045F000-memory.dmp