Malware Analysis Report

2024-11-15 09:03

Sample ID 241110-gk9apazqdw
Target fc3e5b6b9d97afe0e0ad865e5b625c20b2fbf65bef4c46213b9abf941798303d
SHA256 fc3e5b6b9d97afe0e0ad865e5b625c20b2fbf65bef4c46213b9abf941798303d
Tags
privateloader discovery loader
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

fc3e5b6b9d97afe0e0ad865e5b625c20b2fbf65bef4c46213b9abf941798303d

Threat Level: Known bad

The file fc3e5b6b9d97afe0e0ad865e5b625c20b2fbf65bef4c46213b9abf941798303d was found to be: Known bad.

Malicious Activity Summary

privateloader discovery loader

PrivateLoader

Privateloader family

Legitimate hosting services abused for malware hosting/C2

Suspicious use of SetThreadContext

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 05:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-10 05:52

Reported

2024-11-10 05:55

Platform

win7-20240903-en

Max time kernel

138s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe"

Signatures

PrivateLoader

loader privateloader

Privateloader family

privateloader

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A pastebin.com N/A N/A
N/A pastebin.com N/A N/A

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\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 1964 wrote to memory of 2716 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe

"C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe"

C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe

"C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe"

Network

Country Destination Domain Proto
FR 212.193.30.45:80 tcp
SG 85.202.169.116:80 tcp
US 8.8.8.8:53 pastebin.com udp
US 104.20.4.235:443 pastebin.com tcp
US 8.8.8.8:53 wfsdragon.ru udp
US 104.21.5.208:80 wfsdragon.ru tcp
SG 85.202.169.116:80 tcp
SG 85.202.169.116:80 tcp
SG 85.202.169.116:80 tcp
SG 85.202.169.116:80 tcp
SG 85.202.169.116:80 tcp

Files

memory/1964-0-0x0000000000270000-0x000000000036A000-memory.dmp

memory/1964-1-0x00000000004D0000-0x00000000004D1000-memory.dmp

memory/2716-3-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2716-7-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-6-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-5-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-4-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-2-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-15-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-19-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-11-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-20-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-22-0x0000000000090000-0x00000000000C8000-memory.dmp

memory/2716-21-0x0000000000090000-0x00000000000C8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 05:52

Reported

2024-11-10 05:55

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe"

Signatures

PrivateLoader

loader privateloader

Privateloader family

privateloader

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\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe
PID 2016 wrote to memory of 4436 N/A C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe

Processes

C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe

"C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe"

C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe

"C:\Users\Admin\AppData\Local\Temp\faae62d9ef3a65ae1dae20d55b8e787661aaf452ad3b6bdd80ea267d3bd070bd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 4436 -ip 4436

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 232

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/2016-0-0x000000007457E000-0x000000007457F000-memory.dmp

memory/2016-1-0x0000000000C70000-0x0000000000D6A000-memory.dmp

memory/2016-2-0x00000000051A0000-0x00000000051A1000-memory.dmp

memory/2016-3-0x0000000005C20000-0x00000000061C4000-memory.dmp

memory/2016-4-0x0000000074570000-0x0000000074D20000-memory.dmp

memory/4436-11-0x0000000000700000-0x0000000000738000-memory.dmp

memory/4436-15-0x0000000000700000-0x0000000000738000-memory.dmp

memory/4436-7-0x0000000000700000-0x0000000000738000-memory.dmp

memory/2016-16-0x0000000074570000-0x0000000074D20000-memory.dmp