Malware Analysis Report

2024-10-16 07:00

Sample ID 240610-egh8zscd37
Target clx2bekuz02rp4pgehjad1i9m.exe
SHA256 d693c6a6b3eef397023f5d6dd0d59222c4d97aedbf313ef2769d5f7010cd5e7a
Tags
themida 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

d693c6a6b3eef397023f5d6dd0d59222c4d97aedbf313ef2769d5f7010cd5e7a

Threat Level: Likely malicious

The file clx2bekuz02rp4pgehjad1i9m.exe was found to be: Likely malicious.

Malicious Activity Summary

themida evasion trojan

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

Checks BIOS information in registry

Themida packer

Checks computer location settings

Checks whether UAC is enabled

Suspicious use of NtSetInformationThreadHideFromDebugger

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-10 03:55

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

2024-06-10 03:54

Reported

2024-06-10 03:57

Platform

win7-20240508-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.exe"

Signatures

Themida packer

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

Processes

C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.exe

"C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.exe"

Network

N/A

Files

memory/2132-1-0x000000013FE10000-0x0000000140FC5000-memory.dmp

memory/2132-0-0x000000013FE10000-0x0000000140FC5000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-10 03:54

Reported

2024-06-10 03:57

Platform

win10v2004-20240508-en

Max time kernel

96s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.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\clx2bekuz02rp4pgehjad1i9m.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\clx2bekuz02rp4pgehjad1i9m.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\clx2bekuz02rp4pgehjad1i9m.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.exe

"C:\Users\Admin\AppData\Local\Temp\clx2bekuz02rp4pgehjad1i9m.exe"

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe

"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /C Get-Service -Name WpnUserService* | Restart-Service -Force

Network

Country Destination Domain Proto
US 8.8.8.8:53 venomcheats.net udp
US 104.26.14.39:443 venomcheats.net tcp
US 8.8.8.8:53 x2.c.lencr.org udp
BE 23.55.97.11:80 x2.c.lencr.org tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 39.14.26.104.in-addr.arpa udp
US 8.8.8.8:53 11.97.55.23.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp

Files

memory/4548-0-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-1-0x00007FFDF2EB0000-0x00007FFDF2EB2000-memory.dmp

memory/4548-2-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-3-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-4-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-5-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-6-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-8-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-7-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/4548-9-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp

memory/1172-18-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lngrkkf4.ifn.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/1172-19-0x0000017A768C0000-0x0000017A768E2000-memory.dmp

memory/1172-17-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

memory/1172-16-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

memory/1172-29-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

memory/1172-32-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

memory/4548-33-0x00000188C98F0000-0x00000188C98F1000-memory.dmp

memory/4548-35-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

memory/4548-34-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

memory/4548-40-0x00007FFDF2E10000-0x00007FFDF3005000-memory.dmp

memory/4548-39-0x00007FF6F8DF0000-0x00007FF6F9FA5000-memory.dmp