f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d

Analysis

max time kernel
51s
max time network
128s
platform
windows10-1703_x64
resource
win10-20220722-en
resource tags

arch:x64arch:x86image:win10-20220722-enlocale:en-usos:windows10-1703-x64system
submitted
09-08-2022 05:22

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General

Target

f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
Size

1.8MB
MD5

52fde15554cdda967fca765be4c3d0d4
SHA1

f8a0ca4786e34dea88d47295c60e5f9421ae1a04
SHA256

f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d
SHA512

db948a6647e53a9bbd793d8cf80d05873b0e3f4f3355ad7240171cc4e40bae18d2aeca83061b880774cb5d2b9c086fd1e031f3c2c09b3067daad539006b77161

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:

f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

3056 oobeldr.exe

pid	process
3056	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:

oobeldr.exef96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe

description	ioc	process
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	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

oobeldr.exef96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exeoobeldr.exe

pid	process
4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
3056	oobeldr.exe
3056	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

948 schtasks.exe
4876 schtasks.exe

pid	process
948	schtasks.exe
4876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exeoobeldr.exe

pid	process
4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
3056	oobeldr.exe
3056	oobeldr.exe
3056	oobeldr.exe
3056	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exeoobeldr.exe

description	pid	process	target process
PID 4748 wrote to memory of 948	4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe	schtasks.exe
PID 4748 wrote to memory of 948	4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe	schtasks.exe
PID 4748 wrote to memory of 948	4748	f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe	schtasks.exe
PID 3056 wrote to memory of 4876	3056	oobeldr.exe	schtasks.exe
PID 3056 wrote to memory of 4876	3056	oobeldr.exe	schtasks.exe
PID 3056 wrote to memory of 4876	3056	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.exe
"C:\Users\Admin\AppData\Local\Temp\f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d.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:4748

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:948

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:3056

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:4876

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
52fde15554cdda967fca765be4c3d0d4

SHA1
f8a0ca4786e34dea88d47295c60e5f9421ae1a04

SHA256
f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d

SHA512
db948a6647e53a9bbd793d8cf80d05873b0e3f4f3355ad7240171cc4e40bae18d2aeca83061b880774cb5d2b9c086fd1e031f3c2c09b3067daad539006b77161

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

MD5
52fde15554cdda967fca765be4c3d0d4

SHA1
f8a0ca4786e34dea88d47295c60e5f9421ae1a04

SHA256
f96d8621bf8830f2ce8d216e5abee90419e5a5760f3cfaa220ba46a0bda5d87d

SHA512
db948a6647e53a9bbd793d8cf80d05873b0e3f4f3355ad7240171cc4e40bae18d2aeca83061b880774cb5d2b9c086fd1e031f3c2c09b3067daad539006b77161

Download Submit
memory/948-191-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-181-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-177-0x0000000000000000-mapping.dmp

Download
memory/948-179-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-190-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-180-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-195-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-194-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-193-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-192-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-178-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-182-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-187-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-188-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-189-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-186-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-185-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-184-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/948-183-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/3056-243-0x00000000002A0000-0x00000000005BF000-memory.dmp

Filesize
3.1MB

Download
memory/3056-266-0x0000000000C10000-0x0000000000C54000-memory.dmp

Filesize
272KB

Download
memory/3056-265-0x00000000002A0000-0x00000000005BF000-memory.dmp

Filesize
3.1MB

Download
memory/3056-240-0x00000000002A0000-0x00000000005BF000-memory.dmp

Filesize
3.1MB

Download
memory/3056-242-0x0000000000C10000-0x0000000000C54000-memory.dmp

Filesize
272KB

Download
memory/4748-145-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-150-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-155-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-156-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-157-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-158-0x00000000003E0000-0x00000000006FF000-memory.dmp

Filesize
3.1MB

Download
memory/4748-160-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-159-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-161-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-162-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-163-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-164-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-165-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-166-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-167-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-169-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-168-0x00000000003E0000-0x00000000006FF000-memory.dmp

Filesize
3.1MB

Download
memory/4748-170-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-171-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-172-0x00000000003E1000-0x00000000003E3000-memory.dmp

Filesize
8KB

Download
memory/4748-173-0x00000000003E1000-0x00000000003E3000-memory.dmp

Filesize
8KB

Download
memory/4748-174-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-175-0x00000000003E0000-0x00000000006FF000-memory.dmp

Filesize
3.1MB

Download
memory/4748-176-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-153-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-152-0x0000000002BA0000-0x0000000002BE4000-memory.dmp

Filesize
272KB

Download
memory/4748-151-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-154-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-149-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-148-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-147-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-127-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-146-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-144-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-143-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-142-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-141-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-140-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-139-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-138-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-136-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-137-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-135-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-196-0x00000000003E0000-0x00000000006FF000-memory.dmp

Filesize
3.1MB

Download
memory/4748-197-0x0000000002BA0000-0x0000000002BE4000-memory.dmp

Filesize
272KB

Download
memory/4748-134-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-133-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-131-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-132-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-130-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4748-128-0x00000000003E0000-0x00000000006FF000-memory.dmp

Filesize
3.1MB

Download
memory/4748-129-0x0000000077670000-0x00000000777FE000-memory.dmp

Filesize
1.6MB

Download
memory/4876-246-0x0000000000000000-mapping.dmp

Download