e9be6aac7a3adb3fc4b27a3c6295a4d1f11bbef9e1c2a5b5719c57685650a509

Analysis

max time kernel
142s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
16/06/2024, 16:23

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General

Target

Themida_x32_x64_v3.0.4.0_Repacked/build.exe
Size

26.5MB
MD5

1f98c492872020543e4c944bbc6c39d7
SHA1

9766f47c7f67fa04bb3439a877b705910e3e5ac5
SHA256

5e1b00d4486377d56afe7ff819dbec01d9aa2f2c27e9b9dc7ee48d22b58dc175
SHA512

e30b3d7bb95c14c57f00bbed6daa87d4c64167d980cd9f5e9e055ddfd98c0089521edb900acb67f05ec31ed6599fca8420c4697dbb3b6f58ac0750c783fa4253
SSDEEP

393216:uFFoqa6Fyb4NdjjzzYkFpWNkovt9QwPnoUuJLYtVFzvCtd8BIZrp/ta7zF0+y2Ch:u/9Nd3zckFAnVawPnMatVFzatdpR4Pbe

Score

9^/10

bootkit evasion persistence trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	build.exe

Checks BIOS information in registry 2 TTPs 3 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	build.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	build.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	build.exe

Loads dropped DLL 1 IoCs

pid	Process
4232	build.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	build.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	build.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4232	build.exe
4232	build.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000_Classes\CertificateAuthority.Request\CLSID	build.exe
Key created	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000_Classes\CertificateAuthority.Request	build.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000_Classes\CertificateAuthority.Request\CLSID\Certificate Number (535603502) = 83246282e02b8c90	build.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4232	build.exe
4232	build.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4232	build.exe
4232	build.exe
4232	build.exe
4232	build.exe

C:\Users\Admin\AppData\Local\Temp\Themida_x32_x64_v3.0.4.0_Repacked\build.exe
"C:\Users\Admin\AppData\Local\Temp\Themida_x32_x64_v3.0.4.0_Repacked\build.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4aab5b5c.dll

Filesize
8KB

MD5
e1db733e43aa8d065fb7e8669db76524

SHA1
3f9c62ee28959959271632fdc7f5387d539a1d23

SHA256
9e65d9e8ebb895f3b03c95ce64f044c70251fff444a4bcbee83f558b599a614d

SHA512
3f6106f32932e72d197865f7b796eba072c8ab20c22b4d205f27de9b9fc6c139be8450ae25541fbdac37a06bc3ec2d1fab3f9b3216201a9231b70fcde6fb8eb3

Download Submit
memory/4232-44-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-46-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-3-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-5-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-4-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-6-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-8-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-9-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-10-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-11-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-12-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-14-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-32-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-31-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-0-0x00000000775A0000-0x00000000775A1000-memory.dmp

Filesize
4KB

Download
memory/4232-38-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-37-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-1-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-39-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-42-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-2-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-43-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-40-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-45-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-41-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-49-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-47-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-48-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/4232-50-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-51-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-52-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-53-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-54-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-58-0x0000000000690000-0x00000000046D8000-memory.dmp

Filesize
64.3MB

Download
memory/4232-61-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-60-0x00000000775A0000-0x00000000775A1000-memory.dmp

Filesize
4KB

Download
memory/4232-62-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-63-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-64-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-65-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-66-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-69-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download
memory/4232-68-0x0000000077580000-0x0000000077670000-memory.dmp

Filesize
960KB

Download