99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044

Analysis

max time kernel
53s
max time network
73s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
25-09-2022 05:00

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General

Target

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
Size

1.8MB
MD5

cff185422e7c7db9a239569c119b0691
SHA1

6162208c698eee0ec6b3c02aef9d72e58e8bbb1b
SHA256

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044
SHA512

4ab59fda4765384c0b2c9e2ac168402523c7123b2f3033b9ba9678ed6bd1bfd4d18eb354a01ba502f99b2648b1dc263b52c61d1d9868fb9f31b8e6a0e8e2f83d
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:

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

3968 oobeldr.exe

pid	process
3968	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:

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.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:

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exeoobeldr.exe

pid	process
2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
3968	oobeldr.exe
3968	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

2024 schtasks.exe
4924 schtasks.exe

pid	process
2024	schtasks.exe
4924	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exeoobeldr.exe

pid	process
2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
3968	oobeldr.exe
3968	oobeldr.exe
3968	oobeldr.exe
3968	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exeoobeldr.exe

description	pid	process	target process
PID 2832 wrote to memory of 2024	2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe	schtasks.exe
PID 2832 wrote to memory of 2024	2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe	schtasks.exe
PID 2832 wrote to memory of 2024	2832	99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe	schtasks.exe
PID 3968 wrote to memory of 4924	3968	oobeldr.exe	schtasks.exe
PID 3968 wrote to memory of 4924	3968	oobeldr.exe	schtasks.exe
PID 3968 wrote to memory of 4924	3968	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.exe
"C:\Users\Admin\AppData\Local\Temp\99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044.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:2832

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:2024

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:3968

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:4924

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

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

MD5
cff185422e7c7db9a239569c119b0691

SHA1
6162208c698eee0ec6b3c02aef9d72e58e8bbb1b

SHA256
99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044

SHA512
4ab59fda4765384c0b2c9e2ac168402523c7123b2f3033b9ba9678ed6bd1bfd4d18eb354a01ba502f99b2648b1dc263b52c61d1d9868fb9f31b8e6a0e8e2f83d

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

MD5
cff185422e7c7db9a239569c119b0691

SHA1
6162208c698eee0ec6b3c02aef9d72e58e8bbb1b

SHA256
99febd4c40fd95d29fc215c9281ad5a0c05ae7821ff5c2ddbf3ccf15d9300044

SHA512
4ab59fda4765384c0b2c9e2ac168402523c7123b2f3033b9ba9678ed6bd1bfd4d18eb354a01ba502f99b2648b1dc263b52c61d1d9868fb9f31b8e6a0e8e2f83d

Download Submit
memory/2024-176-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-183-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-182-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-181-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-178-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-180-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-179-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-177-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-165-0x0000000000000000-mapping.dmp

Download
memory/2024-175-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-174-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-170-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-173-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-172-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-171-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-168-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-169-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-166-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2024-167-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-134-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-136-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-138-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-139-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-140-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-142-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-141-0x0000000002B90000-0x0000000002BD4000-memory.dmp

Filesize
272KB

Download
memory/2832-143-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-145-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-144-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-146-0x0000000000D30000-0x000000000104F000-memory.dmp

Filesize
3.1MB

Download
memory/2832-147-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-148-0x0000000000D30000-0x000000000104F000-memory.dmp

Filesize
3.1MB

Download
memory/2832-149-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-150-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-151-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-152-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-153-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-154-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-155-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-156-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-157-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-158-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-159-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-161-0x0000000000D31000-0x0000000000D33000-memory.dmp

Filesize
8KB

Download
memory/2832-160-0x0000000000D30000-0x000000000104F000-memory.dmp

Filesize
3.1MB

Download
memory/2832-162-0x0000000000D31000-0x0000000000D33000-memory.dmp

Filesize
8KB

Download
memory/2832-163-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-164-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-137-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-135-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-115-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-133-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-132-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-131-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-130-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-126-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-129-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-128-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-127-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-125-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-124-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-122-0x0000000000D30000-0x000000000104F000-memory.dmp

Filesize
3.1MB

Download
memory/2832-123-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-120-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-121-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-119-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-118-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-185-0x0000000002B90000-0x0000000002BD4000-memory.dmp

Filesize
272KB

Download
memory/2832-184-0x0000000000D30000-0x000000000104F000-memory.dmp

Filesize
3.1MB

Download
memory/2832-117-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/2832-116-0x00000000775B0000-0x000000007773E000-memory.dmp

Filesize
1.6MB

Download
memory/3968-232-0x0000000001110000-0x000000000142F000-memory.dmp

Filesize
3.1MB

Download
memory/3968-233-0x0000000000920000-0x0000000000A6A000-memory.dmp

Filesize
1.3MB

Download
memory/3968-234-0x0000000001110000-0x000000000142F000-memory.dmp

Filesize
3.1MB

Download
memory/3968-253-0x0000000001110000-0x000000000142F000-memory.dmp

Filesize
3.1MB

Download
memory/3968-254-0x0000000000920000-0x0000000000A6A000-memory.dmp

Filesize
1.3MB

Download
memory/4924-231-0x0000000000000000-mapping.dmp

Download