Malware Analysis Report

2024-11-30 19:01

Sample ID 240315-ks31escd3y
Target cafde25d25d9022bb511df2703b224e4
SHA256 9f96d97edff3af34cd773d18394b6364b5819b9ee7994655d7f794d1359eb1d1
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

9f96d97edff3af34cd773d18394b6364b5819b9ee7994655d7f794d1359eb1d1

Threat Level: Likely malicious

The file cafde25d25d9022bb511df2703b224e4 was found to be: Likely malicious.

Malicious Activity Summary

themida agilenet evasion trojan

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

Themida packer

Checks BIOS information in registry

Obfuscated with Agile.Net obfuscator

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-15 08:52

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

2024-03-15 08:52

Reported

2024-03-15 08:55

Platform

win7-20240221-en

Max time kernel

141s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.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\cafde25d25d9022bb511df2703b224e4.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\cafde25d25d9022bb511df2703b224e4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.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\cafde25d25d9022bb511df2703b224e4.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.exe

"C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1996 -s 568

Network

N/A

Files

memory/1996-0-0x0000000000FE0000-0x00000000017AE000-memory.dmp

memory/1996-5-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-9-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-10-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-7-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-11-0x0000000076980000-0x00000000769C7000-memory.dmp

memory/1996-12-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-13-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-14-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-15-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-16-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-17-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-18-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-19-0x0000000076980000-0x00000000769C7000-memory.dmp

memory/1996-20-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-21-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-22-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-23-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-24-0x0000000077590000-0x0000000077592000-memory.dmp

memory/1996-25-0x0000000000FE0000-0x00000000017AE000-memory.dmp

memory/1996-26-0x00000000745A0000-0x0000000074C8E000-memory.dmp

memory/1996-27-0x0000000000FE0000-0x00000000017AE000-memory.dmp

memory/1996-30-0x0000000000FE0000-0x00000000017AE000-memory.dmp

memory/1996-31-0x0000000076980000-0x00000000769C7000-memory.dmp

memory/1996-32-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-33-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-34-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-35-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-36-0x0000000076EE0000-0x0000000076FF0000-memory.dmp

memory/1996-37-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-15 08:52

Reported

2024-03-15 08:55

Platform

win10v2004-20240226-en

Max time kernel

143s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.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\cafde25d25d9022bb511df2703b224e4.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\cafde25d25d9022bb511df2703b224e4.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.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\cafde25d25d9022bb511df2703b224e4.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.exe

"C:\Users\Admin\AppData\Local\Temp\cafde25d25d9022bb511df2703b224e4.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4720 -ip 4720

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 868

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3920 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
US 8.8.8.8:53 chromewebstore.googleapis.com udp
GB 142.250.187.202:443 chromewebstore.googleapis.com tcp
US 8.8.8.8:53 202.187.250.142.in-addr.arpa udp
US 8.8.8.8:53 4.173.189.20.in-addr.arpa udp

Files

memory/4720-0-0x0000000000750000-0x0000000000F1E000-memory.dmp

memory/4720-1-0x0000000076450000-0x0000000076540000-memory.dmp

memory/4720-2-0x0000000076450000-0x0000000076540000-memory.dmp

memory/4720-3-0x0000000076450000-0x0000000076540000-memory.dmp

memory/4720-4-0x0000000076450000-0x0000000076540000-memory.dmp

memory/4720-5-0x0000000076450000-0x0000000076540000-memory.dmp

memory/4720-6-0x0000000077CF4000-0x0000000077CF6000-memory.dmp

memory/4720-12-0x0000000000750000-0x0000000000F1E000-memory.dmp

memory/4720-13-0x0000000000750000-0x0000000000F1E000-memory.dmp

memory/4720-15-0x0000000076450000-0x0000000076540000-memory.dmp

memory/4720-16-0x0000000000750000-0x0000000000F1E000-memory.dmp