Malware Analysis Report

2024-10-24 17:01

Sample ID 240726-fq67vaxhjq
Target a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe
SHA256 a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936
Tags
hzrat backdoor discovery
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

a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936

Threat Level: Known bad

The file a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe was found to be: Known bad.

Malicious Activity Summary

hzrat backdoor discovery

Detects HZRAT backdoor

HZRAT

System Location Discovery: System Language Discovery

Unsigned PE

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-26 05:05

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-26 05:05

Reported

2024-07-26 05:08

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe"

Signatures

Detects HZRAT backdoor

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

HZRAT

backdoor hzrat

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\a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe

"C:\Users\Admin\AppData\Local\Temp\a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe"

Network

Country Destination Domain Proto
IN 192.192.192.192:49344 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
N/A 172.16.8.202:8081 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.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
US 8.8.8.8:53 9.179.89.13.in-addr.arpa udp

Files

memory/2928-0-0x0000000000401000-0x0000000000413000-memory.dmp

memory/2928-1-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2928-2-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2928-3-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2928-6-0x0000000000400000-0x00000000004B9000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-26 05:05

Reported

2024-07-26 05:08

Platform

win7-20240704-en

Max time kernel

140s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe"

Signatures

Detects HZRAT backdoor

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

HZRAT

backdoor hzrat

Processes

C:\Users\Admin\AppData\Local\Temp\a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe

"C:\Users\Admin\AppData\Local\Temp\a8fb63a86d620269b9e8179351f3c85d74b5c526cc4fc4ded6fcd3a1977ec936.exe"

Network

Country Destination Domain Proto
IN 192.192.192.192:49344 tcp
N/A 172.16.8.202:8081 tcp

Files

memory/2156-0-0x0000000000401000-0x0000000000413000-memory.dmp

memory/2156-1-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2156-2-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2156-4-0x0000000000400000-0x00000000004B9000-memory.dmp

memory/2156-6-0x0000000000400000-0x00000000004B9000-memory.dmp