Malware Analysis Report

2024-11-13 19:59

Sample ID 241107-jpbw4aycjb
Target 0a95ad0535baeef34122bddd80f99bb62ee3ad26
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 0a95ad0535baeef34122bddd80f99bb62ee3ad26 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)

Themida packer

Checks BIOS information in registry

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 07:50

Signatures

Themida packer

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 07:50

Reported

2024-11-07 07:52

Platform

win7-20240903-en

Max time kernel

141s

Max time network

155s

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 104.20.3.235:443 pastebin.com tcp
US 8.8.8.8:53 wfsdragon.ru udp
US 172.67.133.215:80 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/2644-0-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/2644-1-0x0000000077C00000-0x0000000077C02000-memory.dmp

memory/2644-2-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/2644-4-0x0000000001840000-0x0000000001940000-memory.dmp

memory/2644-5-0x0000000000240000-0x0000000000275000-memory.dmp

memory/2644-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2644-7-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/2644-9-0x0000000001840000-0x0000000001940000-memory.dmp

memory/2644-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2644-14-0x0000000000400000-0x00000000016D3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 07:50

Reported

2024-11-07 07:52

Platform

win10v2004-20241007-en

Max time kernel

95s

Max time network

146s

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 448 -p 4564 -ip 4564

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 648

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.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
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
SG 85.202.169.116:80 tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 69.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/4564-0-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/4564-1-0x0000000077464000-0x0000000077466000-memory.dmp

memory/4564-2-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/4564-4-0x0000000001920000-0x0000000001A20000-memory.dmp

memory/4564-5-0x00000000018B0000-0x00000000018E5000-memory.dmp

memory/4564-6-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4564-7-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/4564-8-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/4564-9-0x0000000001920000-0x0000000001A20000-memory.dmp

memory/4564-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4564-14-0x0000000000400000-0x00000000016D3000-memory.dmp

memory/4564-16-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4564-17-0x0000000000400000-0x00000000016D3000-memory.dmp