a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a

General

Target

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
Size

1.8MB
MD5

cd2e137d82bce4970a5dca9084ca0e9c
SHA1

a06d093fe43bfffc0f6308d5aa24baa478430b0b
SHA256

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a
SHA512

35331eb4c4e3e8fec941b0ef06a31e9e84d0534c56ded85c6cf65a8c8f096a686acb2b04260059e72669bdb32d2ffd510b2c3cfb3a368f177d3709c80d51da14

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:

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

1424 oobeldr.exe

pid	process
1424	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:

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.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	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exeoobeldr.exe

pid	process
4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
1424	oobeldr.exe
1424	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

4072 schtasks.exe
2484 schtasks.exe

pid	process
4072	schtasks.exe
2484	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exeoobeldr.exe

pid	process
4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
1424	oobeldr.exe
1424	oobeldr.exe
1424	oobeldr.exe
1424	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exeoobeldr.exe

description	pid	process	target process
PID 4232 wrote to memory of 2484	4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe	schtasks.exe
PID 4232 wrote to memory of 2484	4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe	schtasks.exe
PID 4232 wrote to memory of 2484	4232	a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe	schtasks.exe
PID 1424 wrote to memory of 4072	1424	oobeldr.exe	schtasks.exe
PID 1424 wrote to memory of 4072	1424	oobeldr.exe	schtasks.exe
PID 1424 wrote to memory of 4072	1424	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.exe
"C:\Users\Admin\AppData\Local\Temp\a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a.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:4232

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:2484

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:1424

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:4072

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

MD5
cd2e137d82bce4970a5dca9084ca0e9c

SHA1
a06d093fe43bfffc0f6308d5aa24baa478430b0b

SHA256
a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a

SHA512
35331eb4c4e3e8fec941b0ef06a31e9e84d0534c56ded85c6cf65a8c8f096a686acb2b04260059e72669bdb32d2ffd510b2c3cfb3a368f177d3709c80d51da14

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

MD5
cd2e137d82bce4970a5dca9084ca0e9c

SHA1
a06d093fe43bfffc0f6308d5aa24baa478430b0b

SHA256
a8ec0f183b387ea059bde91897135ea0c26cfdad82d8c353aee4d6613cf6149a

SHA512
35331eb4c4e3e8fec941b0ef06a31e9e84d0534c56ded85c6cf65a8c8f096a686acb2b04260059e72669bdb32d2ffd510b2c3cfb3a368f177d3709c80d51da14

Download Submit
memory/1424-148-0x00000000004E0000-0x00000000007FF000-memory.dmp

Filesize
3.1MB

Download
memory/1424-154-0x00000000004E0000-0x00000000007FF000-memory.dmp

Filesize
3.1MB

Download
memory/1424-153-0x00000000777A0000-0x0000000077943000-memory.dmp

Filesize
1.6MB

Download
memory/1424-152-0x00000000004E0000-0x00000000007FF000-memory.dmp

Filesize
3.1MB

Download
memory/1424-150-0x00000000004E1000-0x00000000004E3000-memory.dmp

Filesize
8KB

Download
memory/1424-155-0x00000000015D0000-0x0000000001614000-memory.dmp

Filesize
272KB

Download
memory/1424-147-0x00000000015D0000-0x0000000001614000-memory.dmp

Filesize
272KB

Download
memory/1424-146-0x00000000004E0000-0x00000000007FF000-memory.dmp

Filesize
3.1MB

Download
memory/1424-156-0x00000000004E0000-0x00000000007FF000-memory.dmp

Filesize
3.1MB

Download
memory/2484-137-0x0000000000000000-mapping.dmp

Download
memory/4072-151-0x0000000000000000-mapping.dmp

Download
memory/4232-136-0x00000000002E1000-0x00000000002E3000-memory.dmp

Filesize
8KB

Download
memory/4232-142-0x00000000777A0000-0x0000000077943000-memory.dmp

Filesize
1.6MB

Download
memory/4232-141-0x0000000002AF0000-0x0000000002B34000-memory.dmp

Filesize
272KB

Download
memory/4232-140-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/4232-139-0x00000000777A0000-0x0000000077943000-memory.dmp

Filesize
1.6MB

Download
memory/4232-138-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/4232-130-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/4232-135-0x00000000002E1000-0x00000000002E3000-memory.dmp

Filesize
8KB

Download
memory/4232-134-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/4232-133-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download
memory/4232-132-0x0000000002AF0000-0x0000000002B34000-memory.dmp

Filesize
272KB

Download
memory/4232-131-0x00000000002E0000-0x00000000005FF000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads