27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b

General

Target

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe
Size

10.8MB
MD5

fade1acf66113785b25d01d256958aea
SHA1

a339cfab5ff5fd7824042f7b7e09738381cdb90c
SHA256

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b
SHA512

cd89e4aa4c9f205cd7b1797870ec64e172921d1ff247a63d443c53ffcb0a451d926bdff60ab70d7fbf14e69de5dbf7f21c39e8848f5b250d28850fd804127626
SSDEEP

196608:lEZ0EOlaJ19i0GR+iQae7s+cqL+yzQYNOzNioxnWgtV7kgXCsMR:lC0EcC9i0RxF//keY5tJku4R

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

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.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

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Wine	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.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

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

description ioc process

File opened for modification \??\PhysicalDrive0 27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

pid process

2848 27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

pid process

2848 27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

pid process

2848 27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

pid	process
2848	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

pid	process
2848	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

pid	process
2848	27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe

C:\Users\Admin\AppData\Local\Temp\27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe
"C:\Users\Admin\AppData\Local\Temp\27d32880612a1bb0f7625813145ea053c6a330baf3d9a4cdd436dfa6732f852b.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\pcsf.ini

Filesize
20B

MD5
681496ec06a1de0b86c016432b484d1c

SHA1
d7cd30308a7865424124b448638ab2701abacb11

SHA256
50ea92c083a43e75d9ddb9f578c18c146fe5202f208d1e3ee0c047c7b544dea8

SHA512
9626c2013693b6d8dc62a6c26115349f88085f3f90c1b8791d7ce52541fe2f62ccbfad56937d14f762d3960c5dca593f8aa7d6de04b102f5b41a638306d71de0

Download Submit
memory/2848-36-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-7-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-37-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-6-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-38-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-8-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-3-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-39-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-5-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-4-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-0-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-40-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-41-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-42-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-43-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-44-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download
memory/2848-45-0x0000000000400000-0x00000000036A8000-memory.dmp

Filesize
50.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads