6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23

General

Target

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
Size

1.8MB
MD5

8d634689f2228a651a505b4195cf47e4
SHA1

ed335eac59d5317c3238f83edc9160aee3b17ed3
SHA256

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23
SHA512

11eefb24c5cad1eded27cb17e64be70c8ca6992fbde30eed9b346bfd5d2051f91a83b58b7fa51470a2c3faf69d29c9ef3f2207cf562113a1bf26e9d6fc1e51a5
SSDEEP

49152:AiSzCD+K95aLs7zeqLTVtXtHFIDP8EehiM8qZA:AiSzCD+K95aUeqFtXtHwEEehig

Score

9^/10

evasion trojan

Malware Config

Signatures

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

1656 oobeldr.exe

pid	process
1656	oobeldr.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exeoobeldr.exe

pid	process
3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
1656	oobeldr.exe
1656	oobeldr.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

5024 schtasks.exe
1744 schtasks.exe

pid	process
5024	schtasks.exe
1744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exeoobeldr.exe

pid	process
3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
1656	oobeldr.exe
1656	oobeldr.exe
1656	oobeldr.exe
1656	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exeoobeldr.exe

description	pid	process	target process
PID 3828 wrote to memory of 5024	3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe	schtasks.exe
PID 3828 wrote to memory of 5024	3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe	schtasks.exe
PID 3828 wrote to memory of 5024	3828	6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe	schtasks.exe
PID 1656 wrote to memory of 1744	1656	oobeldr.exe	schtasks.exe
PID 1656 wrote to memory of 1744	1656	oobeldr.exe	schtasks.exe
PID 1656 wrote to memory of 1744	1656	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe
"C:\Users\Admin\AppData\Local\Temp\6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3828

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
2⤵
- Creates scheduled task(s)
PID:5024

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1656

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Telemetry Logging" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe"
2⤵
- Creates scheduled task(s)
PID:1744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
8d634689f2228a651a505b4195cf47e4

SHA1
ed335eac59d5317c3238f83edc9160aee3b17ed3

SHA256
6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23

SHA512
11eefb24c5cad1eded27cb17e64be70c8ca6992fbde30eed9b346bfd5d2051f91a83b58b7fa51470a2c3faf69d29c9ef3f2207cf562113a1bf26e9d6fc1e51a5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
8d634689f2228a651a505b4195cf47e4

SHA1
ed335eac59d5317c3238f83edc9160aee3b17ed3

SHA256
6527635f3859fa6506bde071768db331f94e2c7d7312fa70af81deefb391cc23

SHA512
11eefb24c5cad1eded27cb17e64be70c8ca6992fbde30eed9b346bfd5d2051f91a83b58b7fa51470a2c3faf69d29c9ef3f2207cf562113a1bf26e9d6fc1e51a5

Download Submit
memory/1656-148-0x0000000000F50000-0x000000000126F000-memory.dmp

Filesize
3.1MB

Download
memory/1656-144-0x0000000000F50000-0x000000000126F000-memory.dmp

Filesize
3.1MB

Download
memory/1656-153-0x0000000001710000-0x0000000001754000-memory.dmp

Filesize
272KB

Download
memory/1656-152-0x0000000000F50000-0x000000000126F000-memory.dmp

Filesize
3.1MB

Download
memory/1656-151-0x0000000077180000-0x0000000077323000-memory.dmp

Filesize
1.6MB

Download
memory/1656-150-0x0000000000F50000-0x000000000126F000-memory.dmp

Filesize
3.1MB

Download
memory/1656-149-0x0000000001710000-0x0000000001754000-memory.dmp

Filesize
272KB

Download
memory/1656-146-0x0000000000F51000-0x0000000000F53000-memory.dmp

Filesize
8KB

Download
memory/1744-147-0x0000000000000000-mapping.dmp

Download
memory/3828-132-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-133-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-134-0x0000000002640000-0x0000000002684000-memory.dmp

Filesize
272KB

Download
memory/3828-141-0x0000000077180000-0x0000000077323000-memory.dmp

Filesize
1.6MB

Download
memory/3828-135-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-140-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-138-0x0000000000D11000-0x0000000000D13000-memory.dmp

Filesize
8KB

Download
memory/3828-137-0x0000000000D11000-0x0000000000D13000-memory.dmp

Filesize
8KB

Download
memory/3828-136-0x0000000000D10000-0x000000000102F000-memory.dmp

Filesize
3.1MB

Download
memory/5024-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads