bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd

General

Target

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
Size

1.8MB
MD5

63ee2bb19f0a90f4cb217fa18a7c06a2
SHA1

6dd22dc58c32236a22277c776adceb84f008359e
SHA256

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd
SHA512

9c2b027ff2f232245af0202c6035788ff5aca4f43a6bc1c987b9218130b634cf0ad7b090a51dc005155f4b7f9f3ae1b0b0e7e512906a784325cda9631caefb8c
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:

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

480 oobeldr.exe

pid	process
480	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:

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exeoobeldr.exe

pid	process
4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
480	oobeldr.exe
480	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

5116 schtasks.exe
5068 schtasks.exe

pid	process
5116	schtasks.exe
5068	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exeoobeldr.exe

pid	process
4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
480	oobeldr.exe
480	oobeldr.exe
480	oobeldr.exe
480	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exeoobeldr.exe

description	pid	process	target process
PID 4640 wrote to memory of 5116	4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe	schtasks.exe
PID 4640 wrote to memory of 5116	4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe	schtasks.exe
PID 4640 wrote to memory of 5116	4640	bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe	schtasks.exe
PID 480 wrote to memory of 5068	480	oobeldr.exe	schtasks.exe
PID 480 wrote to memory of 5068	480	oobeldr.exe	schtasks.exe
PID 480 wrote to memory of 5068	480	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.exe
"C:\Users\Admin\AppData\Local\Temp\bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd.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:4640

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:5116

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:480

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:5068

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
63ee2bb19f0a90f4cb217fa18a7c06a2

SHA1
6dd22dc58c32236a22277c776adceb84f008359e

SHA256
bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd

SHA512
9c2b027ff2f232245af0202c6035788ff5aca4f43a6bc1c987b9218130b634cf0ad7b090a51dc005155f4b7f9f3ae1b0b0e7e512906a784325cda9631caefb8c

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

MD5
63ee2bb19f0a90f4cb217fa18a7c06a2

SHA1
6dd22dc58c32236a22277c776adceb84f008359e

SHA256
bd41eb88a8931214d5936b953e23afd0f454e569f59f55a578dd0ad02fd67ebd

SHA512
9c2b027ff2f232245af0202c6035788ff5aca4f43a6bc1c987b9218130b634cf0ad7b090a51dc005155f4b7f9f3ae1b0b0e7e512906a784325cda9631caefb8c

Download Submit
memory/480-156-0x00000000003D0000-0x00000000006EF000-memory.dmp

Filesize
3.1MB

Download
memory/480-155-0x0000000000B00000-0x0000000000B44000-memory.dmp

Filesize
272KB

Download
memory/480-154-0x00000000003D0000-0x00000000006EF000-memory.dmp

Filesize
3.1MB

Download
memory/480-152-0x00000000003D0000-0x00000000006EF000-memory.dmp

Filesize
3.1MB

Download
memory/480-153-0x0000000077500000-0x00000000776A3000-memory.dmp

Filesize
1.6MB

Download
memory/480-150-0x00000000003D1000-0x00000000003D3000-memory.dmp

Filesize
8KB

Download
memory/480-148-0x0000000000B00000-0x0000000000B44000-memory.dmp

Filesize
272KB

Download
memory/480-147-0x00000000003D0000-0x00000000006EF000-memory.dmp

Filesize
3.1MB

Download
memory/4640-135-0x0000000000080000-0x000000000039F000-memory.dmp

Filesize
3.1MB

Download
memory/4640-143-0x0000000077500000-0x00000000776A3000-memory.dmp

Filesize
1.6MB

Download
memory/4640-142-0x0000000000080000-0x000000000039F000-memory.dmp

Filesize
3.1MB

Download
memory/4640-140-0x0000000077500000-0x00000000776A3000-memory.dmp

Filesize
1.6MB

Download
memory/4640-138-0x0000000000081000-0x0000000000083000-memory.dmp

Filesize
8KB

Download
memory/4640-139-0x0000000000080000-0x000000000039F000-memory.dmp

Filesize
3.1MB

Download
memory/4640-132-0x0000000000080000-0x000000000039F000-memory.dmp

Filesize
3.1MB

Download
memory/4640-137-0x0000000000080000-0x000000000039F000-memory.dmp

Filesize
3.1MB

Download
memory/4640-136-0x0000000000081000-0x0000000000083000-memory.dmp

Filesize
8KB

Download
memory/4640-134-0x00000000030F0000-0x0000000003134000-memory.dmp

Filesize
272KB

Download
memory/4640-133-0x0000000000080000-0x000000000039F000-memory.dmp

Filesize
3.1MB

Download
memory/5068-151-0x0000000000000000-mapping.dmp

Download
memory/5116-141-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads