a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777

Analysis

max time kernel
77s
max time network
63s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
21-09-2022 06:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
Size

1.8MB
MD5

ebecaebe2e9f08b4ef69e408722ee56d
SHA1

3e9414e3d3f0e9b79c3b64ca215c2c5f4d27fd41
SHA256

a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777
SHA512

725b6b2dd3ba48ee4be149733e42cb9d0fdb617e5c74c2903fcf362e7c35332acae5ae8cb177b0da5a37644bcb35d6c93f1d51fbcc736ca845a1d57f6437e5dc
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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4904	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
4904	oobeldr.exe
4904	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

pid	Process
3388	schtasks.exe
5112	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
4904	oobeldr.exe
4904	oobeldr.exe
4904	oobeldr.exe
4904	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 3388	2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe	66
PID 2744 wrote to memory of 3388	2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe	66
PID 2744 wrote to memory of 3388	2744	a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe	66
PID 4904 wrote to memory of 5112	4904	oobeldr.exe	69
PID 4904 wrote to memory of 5112	4904	oobeldr.exe	69
PID 4904 wrote to memory of 5112	4904	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.exe
"C:\Users\Admin\AppData\Local\Temp\a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777.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:2744
- 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:3388

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:4904
- 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:5112

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.8MB

MD5
ebecaebe2e9f08b4ef69e408722ee56d

SHA1
3e9414e3d3f0e9b79c3b64ca215c2c5f4d27fd41

SHA256
a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777

SHA512
725b6b2dd3ba48ee4be149733e42cb9d0fdb617e5c74c2903fcf362e7c35332acae5ae8cb177b0da5a37644bcb35d6c93f1d51fbcc736ca845a1d57f6437e5dc

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

Filesize
1.8MB

MD5
ebecaebe2e9f08b4ef69e408722ee56d

SHA1
3e9414e3d3f0e9b79c3b64ca215c2c5f4d27fd41

SHA256
a40bf228385e84b3888068cbfc57d1ee1bd481ff961e97fcfb9cdbc876c30777

SHA512
725b6b2dd3ba48ee4be149733e42cb9d0fdb617e5c74c2903fcf362e7c35332acae5ae8cb177b0da5a37644bcb35d6c93f1d51fbcc736ca845a1d57f6437e5dc

Download Submit
memory/2744-157-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-125-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-124-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-128-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-159-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-147-0x00000000010E0000-0x0000000001124000-memory.dmp

Filesize
272KB

Download
memory/2744-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-149-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-150-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-151-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-152-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-153-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-154-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-156-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-145-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-161-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-162-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-164-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-165-0x0000000000851000-0x0000000000853000-memory.dmp

Filesize
8KB

Download
memory/2744-166-0x0000000000851000-0x0000000000853000-memory.dmp

Filesize
8KB

Download
memory/2744-167-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-173-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-189-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-190-0x00000000010E0000-0x0000000001124000-memory.dmp

Filesize
272KB

Download
memory/3388-183-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-171-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-172-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-174-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-175-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-176-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-178-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-179-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-182-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-170-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-184-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-185-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-186-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-187-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3388-188-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/4904-233-0x0000000000B00000-0x0000000000E1F000-memory.dmp

Filesize
3.1MB

Download
memory/4904-235-0x00000000014D0000-0x0000000001514000-memory.dmp

Filesize
272KB

Download
memory/4904-236-0x0000000000B00000-0x0000000000E1F000-memory.dmp

Filesize
3.1MB

Download
memory/4904-258-0x0000000000B00000-0x0000000000E1F000-memory.dmp

Filesize
3.1MB

Download
memory/4904-259-0x00000000014D0000-0x0000000001514000-memory.dmp

Filesize
272KB

Download