Malware Analysis Report

2024-11-30 19:08

Sample ID 240308-pksa6sfg2s
Target bb4007fd7671a35e69586808ff7b07cd
SHA256 5cecd403c79f8877b85ffb3453404eab0d8a3e185df67e635d14f797c25eccf6
Tags
themida agilenet evasion trojan
score
9/10

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
9/10

SHA256

5cecd403c79f8877b85ffb3453404eab0d8a3e185df67e635d14f797c25eccf6

Threat Level: Likely malicious

The file bb4007fd7671a35e69586808ff7b07cd was found to be: Likely malicious.

Malicious Activity Summary

themida agilenet evasion trojan

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

Checks BIOS information in registry

Obfuscated with Agile.Net obfuscator

Themida packer

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-08 12:23

Signatures

Themida packer

themida
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

2024-03-08 12:23

Reported

2024-03-08 12:26

Platform

win7-20240221-en

Max time kernel

151s

Max time network

137s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe"

Signatures

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\bb4007fd7671a35e69586808ff7b07cd.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\bb4007fd7671a35e69586808ff7b07cd.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A 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\bb4007fd7671a35e69586808ff7b07cd.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe

"C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 568

Network

N/A

Files

memory/772-0-0x0000000000850000-0x0000000001178000-memory.dmp

memory/772-1-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-2-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-3-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-5-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-4-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-7-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-9-0x0000000075A40000-0x0000000075A87000-memory.dmp

memory/772-11-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-13-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-15-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-18-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-17-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-22-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-25-0x0000000077E00000-0x0000000077E02000-memory.dmp

memory/772-24-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-23-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-21-0x0000000075A40000-0x0000000075A87000-memory.dmp

memory/772-20-0x0000000075A40000-0x0000000075A87000-memory.dmp

memory/772-19-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-27-0x0000000000850000-0x0000000001178000-memory.dmp

memory/772-26-0x0000000074E30000-0x000000007551E000-memory.dmp

memory/772-28-0x0000000000850000-0x0000000001178000-memory.dmp

memory/772-31-0x0000000075A40000-0x0000000075A87000-memory.dmp

memory/772-32-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-34-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-33-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-35-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-36-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-37-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-38-0x0000000075EE0000-0x0000000075FF0000-memory.dmp

memory/772-39-0x0000000074E30000-0x000000007551E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-08 12:23

Reported

2024-03-08 12:26

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe"

Signatures

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\bb4007fd7671a35e69586808ff7b07cd.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\bb4007fd7671a35e69586808ff7b07cd.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe N/A

Obfuscated with Agile.Net obfuscator

agilenet
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

Themida packer

themida
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

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\bb4007fd7671a35e69586808ff7b07cd.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe

"C:\Users\Admin\AppData\Local\Temp\bb4007fd7671a35e69586808ff7b07cd.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1508 -ip 1508

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 868

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 210.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 11.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 196.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 183.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/1508-0-0x00000000008F0000-0x0000000001218000-memory.dmp

memory/1508-1-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-2-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-3-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-4-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-7-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-8-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-11-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-12-0x0000000075CC0000-0x0000000075DB0000-memory.dmp

memory/1508-14-0x0000000077D94000-0x0000000077D96000-memory.dmp

memory/1508-15-0x00000000008F0000-0x0000000001218000-memory.dmp

memory/1508-16-0x00000000008F0000-0x0000000001218000-memory.dmp

memory/1508-18-0x00000000008F0000-0x0000000001218000-memory.dmp

memory/1508-19-0x0000000075CC0000-0x0000000075DB0000-memory.dmp