b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e

Analysis

max time kernel
142s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 09:31

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General

Target

b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Size

4.8MB
MD5

192f74c4eb3a499b12d19184de60d5b1
SHA1

764dcd8cbeb93bbc06c040e2b1afe625fc5b07e2
SHA256

b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e
SHA512

975fa7be617ce1672c081e0010a20124ea255178aa56f2ff708451e02ee6c72fa6bb38a324d7c488d1725b2849fdfcaa6d0c3c241a2375271bef212ad0da5e3b
SSDEEP

98304:T8DpgICmUlkWKJ9FH8WSkLFGtfZdbHOZwqAR4tkt2ugknzQh:mCmGZE9FH8JcFGtR5tZR4it2uNnze

Score

9^/10

bootkit evasion persistence trojan upx

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__	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe

Checks BIOS information in registry 2 TTPs 2 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	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe

UPX packed file 26 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2412-18-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-20-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-21-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-19-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-24-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-26-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-30-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-28-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-33-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-35-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-37-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-39-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-41-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-49-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-51-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-56-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-54-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-47-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-45-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-58-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-60-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-67-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-64-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-62-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-68-0x0000000010000000-0x000000001003F000-memory.dmp	upx
behavioral1/memory/2412-69-0x0000000010000000-0x000000001003F000-memory.dmp	upx

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	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.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	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2412	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe

Modifies registry class 13 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{bc2dd8d9-d914-7356-957e-bec8bc4e}\LocalizedString = 731b8f8e95392a6fd6f166c7	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\CcFWSettg.Category\CLSID\{c6449a13-ca74-3173-b2a9}	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\CcFWSettg.Category	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{39677245-6848-2a5b-9a50-ded280ae}	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\CompressedFolder\CLSID\Compression Type (hffl2669w) = 04b2c0504e3a908a	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{bc2dd8d9-d914-7356-957e-bec8bc4e}	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\CompressedFolder\CLSID	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\CcFWSettg.Category\CLSID\{c6449a13-ca74-3173-b2a9}\pmygpgco = 47387c7dd277f372	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\CompressedFolder	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\CcFWSettg.Category\CLSID	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\Wow6432Node\CLSID\{39677245-6848-2a5b-9a50-ded280ae}\LocalizedString = 731b8f8e95392a6fd6f166c7	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2412	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2412	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
2412	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
2412	b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe

C:\Users\Admin\AppData\Local\Temp\b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe
"C:\Users\Admin\AppData\Local\Temp\b5e87155eab47adead7bab72a51bfdc40ca56b64e976186f09cc3e8438423c3e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- 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:2412

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

memory/2412-1-0x0000000077880000-0x0000000077882000-memory.dmp

Filesize
8KB

Download
memory/2412-0-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-15-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-16-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-17-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-18-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-20-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-21-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-19-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-24-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-26-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-30-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-28-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-33-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-35-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-37-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-39-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-41-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-43-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-49-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-51-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-56-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-54-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-47-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-45-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-58-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-60-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-67-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-64-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-62-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-68-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-69-0x0000000010000000-0x000000001003F000-memory.dmp

Filesize
252KB

Download
memory/2412-70-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-71-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-72-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-73-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-74-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-75-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-76-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-77-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-78-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-79-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-80-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-81-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-82-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download
memory/2412-83-0x0000000000400000-0x0000000000F37000-memory.dmp

Filesize
11.2MB

Download