e9be6aac7a3adb3fc4b27a3c6295a4d1f11bbef9e1c2a5b5719c57685650a509

Analysis

max time kernel
52s
max time network
16s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-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
1900	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
1900	build.exe
1900	build.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\CertificateAuthority.Request\CLSID	build.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\CertificateAuthority.Request	build.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\CertificateAuthority.Request\CLSID\Certificate Number (535603502) = 83246282e02b8c90	build.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1900	build.exe
1900	build.exe

Suspicious use of FindShellTrayWindow 64 IoCs

pid	Process
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe
1900	build.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1900	build.exe
1900	build.exe
1900	build.exe
1900	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 FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1900

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

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

Filesize
8KB

MD5
e1db733e43aa8d065fb7e8669db76524

SHA1
3f9c62ee28959959271632fdc7f5387d539a1d23

SHA256
9e65d9e8ebb895f3b03c95ce64f044c70251fff444a4bcbee83f558b599a614d

SHA512
3f6106f32932e72d197865f7b796eba072c8ab20c22b4d205f27de9b9fc6c139be8450ae25541fbdac37a06bc3ec2d1fab3f9b3216201a9231b70fcde6fb8eb3

Download Submit
memory/1900-28-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-64-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-1-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-5-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-7-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-6-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-4-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-9-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-10-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-8-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-12-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-18-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-17-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-16-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-15-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-14-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-13-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-11-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-20-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-21-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-23-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-22-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-0-0x0000000076291000-0x0000000076292000-memory.dmp

Filesize
4KB

Download
memory/1900-24-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-2-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-3-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-43-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-49-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-50-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-52-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-54-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-58-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-57-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-60-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-59-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-55-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-53-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-56-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-51-0x0000000010000000-0x000000001204F000-memory.dmp

Filesize
32.3MB

Download
memory/1900-61-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-62-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-63-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-44-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-66-0x0000000076291000-0x0000000076292000-memory.dmp

Filesize
4KB

Download
memory/1900-65-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-67-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-71-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-72-0x0000000076280000-0x0000000076390000-memory.dmp

Filesize
1.1MB

Download
memory/1900-74-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download
memory/1900-75-0x0000000000940000-0x0000000004988000-memory.dmp

Filesize
64.3MB

Download