50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287

Analysis

max time kernel
52s
max time network
68s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
03-10-2022 04:53

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General

Target

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
Size

1.8MB
MD5

1265b2fd2b3d884c42350b3e3257d275
SHA1

d5473222e9f119310edce422eed42af416b8c6a7
SHA256

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287
SHA512

c351b47c66ea3a6cd70d1b9a9ff8999b2245d85179525a8f70cae326f2252524ac896b9b664507d93eeb83559b4696c2d5365d59b88c8b7acc82a6c6dc633a3a
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:

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

3496 oobeldr.exe

pid	process
3496	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:

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.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:

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exeoobeldr.exe

pid	process
2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
3496	oobeldr.exe
3496	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

2980 schtasks.exe
4292 schtasks.exe

pid	process
2980	schtasks.exe
4292	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exeoobeldr.exe

pid	process
2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
3496	oobeldr.exe
3496	oobeldr.exe
3496	oobeldr.exe
3496	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exeoobeldr.exe

description	pid	process	target process
PID 2492 wrote to memory of 2980	2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe	schtasks.exe
PID 2492 wrote to memory of 2980	2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe	schtasks.exe
PID 2492 wrote to memory of 2980	2492	50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe	schtasks.exe
PID 3496 wrote to memory of 4292	3496	oobeldr.exe	schtasks.exe
PID 3496 wrote to memory of 4292	3496	oobeldr.exe	schtasks.exe
PID 3496 wrote to memory of 4292	3496	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.exe
"C:\Users\Admin\AppData\Local\Temp\50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287.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:2492

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:2980

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:3496

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:4292

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
1265b2fd2b3d884c42350b3e3257d275

SHA1
d5473222e9f119310edce422eed42af416b8c6a7

SHA256
50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287

SHA512
c351b47c66ea3a6cd70d1b9a9ff8999b2245d85179525a8f70cae326f2252524ac896b9b664507d93eeb83559b4696c2d5365d59b88c8b7acc82a6c6dc633a3a

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

MD5
1265b2fd2b3d884c42350b3e3257d275

SHA1
d5473222e9f119310edce422eed42af416b8c6a7

SHA256
50b3a380437c7ace33eb48ca775d7f6a1e291c3438ac48223a33e4d666381287

SHA512
c351b47c66ea3a6cd70d1b9a9ff8999b2245d85179525a8f70cae326f2252524ac896b9b664507d93eeb83559b4696c2d5365d59b88c8b7acc82a6c6dc633a3a

Download Submit
memory/2492-158-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-154-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-122-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-123-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-124-0x00000000012C0000-0x00000000015DF000-memory.dmp

Filesize
3.1MB

Download
memory/2492-125-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-126-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-127-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-128-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-129-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-130-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-131-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-132-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-133-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-134-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-135-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-136-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-137-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-139-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-140-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-138-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-142-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-141-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-143-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-144-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-145-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-146-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-147-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-148-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-120-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-149-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-151-0x00000000012C0000-0x00000000015DF000-memory.dmp

Filesize
3.1MB

Download
memory/2492-152-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-153-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-160-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-155-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-157-0x00000000012C0000-0x00000000015DF000-memory.dmp

Filesize
3.1MB

Download
memory/2492-156-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-150-0x0000000000EE0000-0x0000000000F24000-memory.dmp

Filesize
272KB

Download
memory/2492-159-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-161-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-162-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-163-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-164-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-165-0x00000000012C1000-0x00000000012C3000-memory.dmp

Filesize
8KB

Download
memory/2492-166-0x00000000012C1000-0x00000000012C3000-memory.dmp

Filesize
8KB

Download
memory/2492-167-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-168-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-174-0x00000000012C0000-0x00000000015DF000-memory.dmp

Filesize
3.1MB

Download
memory/2492-189-0x00000000012C0000-0x00000000015DF000-memory.dmp

Filesize
3.1MB

Download
memory/2492-190-0x0000000000EE0000-0x0000000000F24000-memory.dmp

Filesize
272KB

Download
memory/2980-188-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-171-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-182-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-184-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-173-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-175-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-176-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-177-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-178-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-179-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-180-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-170-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-183-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-181-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-172-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-185-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-186-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-187-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-169-0x0000000000000000-mapping.dmp

Download
memory/3496-205-0x00000000009A0000-0x0000000000CBF000-memory.dmp

Filesize
3.1MB

Download
memory/3496-250-0x0000000002D60000-0x0000000002DA4000-memory.dmp

Filesize
272KB

Download
memory/3496-255-0x00000000009A0000-0x0000000000CBF000-memory.dmp

Filesize
3.1MB

Download
memory/3496-258-0x00000000009A0000-0x0000000000CBF000-memory.dmp

Filesize
3.1MB

Download
memory/3496-259-0x0000000002D60000-0x0000000002DA4000-memory.dmp

Filesize
272KB

Download
memory/3496-260-0x00000000009A0000-0x0000000000CBF000-memory.dmp

Filesize
3.1MB

Download
memory/4292-237-0x0000000000000000-mapping.dmp

Download