Malware Analysis Report

2024-11-13 19:59

Sample ID 241107-vrfhvavrhx
Target c085dd87b5d18ee9c8ec38a2977440b5
SHA256 d849f1f013d633d91a68258551a54b20246ea20b33775a7b29096f85d7f35bd5
Tags
themida privateloader discovery evasion loader 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

d849f1f013d633d91a68258551a54b20246ea20b33775a7b29096f85d7f35bd5

Threat Level: Known bad

The file c085dd87b5d18ee9c8ec38a2977440b5 was found to be: Known bad.

Malicious Activity Summary

themida privateloader discovery evasion loader trojan

Privateloader family

PrivateLoader

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Checks BIOS information in registry

Themida packer

Checks whether UAC is enabled

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtSetInformationThreadHideFromDebugger

System Location Discovery: System Language Discovery

Program crash

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 17:13

Signatures

Themida packer

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 17:13

Reported

2024-11-07 17:15

Platform

win7-20240903-en

Max time kernel

141s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe"

Signatures

PrivateLoader

loader privateloader

Privateloader family

privateloader

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Themida packer

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

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

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe 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\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe

"C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.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 172.67.19.24:443 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/2552-0-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/2552-1-0x0000000077BF0000-0x0000000077BF2000-memory.dmp

memory/2552-2-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/2552-4-0x0000000001800000-0x0000000001900000-memory.dmp

memory/2552-5-0x0000000000240000-0x0000000000275000-memory.dmp

memory/2552-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2552-7-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/2552-9-0x0000000001800000-0x0000000001900000-memory.dmp

memory/2552-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2552-14-0x0000000000400000-0x00000000016D3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 17:13

Reported

2024-11-07 17:15

Platform

win10v2004-20241007-en

Max time kernel

94s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe"

Signatures

PrivateLoader

loader privateloader

Privateloader family

privateloader

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Themida packer

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

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe 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\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe

"C:\Users\Admin\AppData\Local\Temp\6ca26fbe131ceb76d05709c5df672110dc50148c791d8079eeb7d988025aef46.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 544 -ip 544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 644

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 74.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
FR 212.193.30.45:80 tcp
SG 85.202.169.116:80 tcp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 101.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/544-0-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/544-1-0x0000000077E84000-0x0000000077E86000-memory.dmp

memory/544-2-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/544-4-0x0000000001940000-0x0000000001A40000-memory.dmp

memory/544-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/544-5-0x0000000003580000-0x00000000035B5000-memory.dmp

memory/544-7-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/544-8-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/544-9-0x0000000001940000-0x0000000001A40000-memory.dmp

memory/544-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/544-14-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/544-15-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/544-16-0x0000000000400000-0x0000000000438000-memory.dmp