946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e

Analysis

max time kernel
50s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
14/09/2022, 17:51

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General

Target

946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
Size

1.8MB
MD5

a7f19e3aad0386bbcc5eaeee9ba66546
SHA1

107174c9edc6889b5e3880f4c8309ed35d6b2003
SHA256

946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e
SHA512

19b2f9f2b0bc898773522d2ff76b0c4798cacf6c3cc7fca11f71f2c97f9c81dd439b7a50fa97d3e50554be78734d2516ff21676cd026054f74e5944f48733501
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__	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4344	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	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.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	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
4344	oobeldr.exe
4344	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
4828	schtasks.exe
4932	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
4344	oobeldr.exe
4344	oobeldr.exe
4344	oobeldr.exe
4344	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 4828	2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe	66
PID 2196 wrote to memory of 4828	2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe	66
PID 2196 wrote to memory of 4828	2196	946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe	66
PID 4344 wrote to memory of 4932	4344	oobeldr.exe	69
PID 4344 wrote to memory of 4932	4344	oobeldr.exe	69
PID 4344 wrote to memory of 4932	4344	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.exe
"C:\Users\Admin\AppData\Local\Temp\946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e.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:2196
- 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:4828

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:4344
- 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:4932

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

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Downloads

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

Filesize
1.8MB

MD5
a7f19e3aad0386bbcc5eaeee9ba66546

SHA1
107174c9edc6889b5e3880f4c8309ed35d6b2003

SHA256
946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e

SHA512
19b2f9f2b0bc898773522d2ff76b0c4798cacf6c3cc7fca11f71f2c97f9c81dd439b7a50fa97d3e50554be78734d2516ff21676cd026054f74e5944f48733501

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

Filesize
1.8MB

MD5
a7f19e3aad0386bbcc5eaeee9ba66546

SHA1
107174c9edc6889b5e3880f4c8309ed35d6b2003

SHA256
946a90271092f0d4e243a5284d5368c72b31f23f287250baead96c9bdb80724e

SHA512
19b2f9f2b0bc898773522d2ff76b0c4798cacf6c3cc7fca11f71f2c97f9c81dd439b7a50fa97d3e50554be78734d2516ff21676cd026054f74e5944f48733501

Download Submit
memory/2196-158-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-161-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-122-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-123-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-124-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-125-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-126-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-127-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-128-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-129-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-130-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-131-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-132-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-133-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-134-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-135-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-121-0x0000000001070000-0x000000000138F000-memory.dmp

Filesize
3.1MB

Download
memory/2196-137-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-138-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-139-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-140-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-141-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-142-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-143-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-160-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-145-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-146-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-147-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-148-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-149-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-150-0x0000000001070000-0x000000000138F000-memory.dmp

Filesize
3.1MB

Download
memory/2196-152-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-151-0x0000000001760000-0x00000000017A4000-memory.dmp

Filesize
272KB

Download
memory/2196-154-0x0000000001070000-0x000000000138F000-memory.dmp

Filesize
3.1MB

Download
memory/2196-153-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-155-0x0000000001070000-0x000000000138F000-memory.dmp

Filesize
3.1MB

Download
memory/2196-156-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-157-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-136-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-120-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-144-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-159-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-162-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-163-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-164-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-165-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-166-0x0000000001070000-0x000000000138F000-memory.dmp

Filesize
3.1MB

Download
memory/2196-167-0x0000000001071000-0x0000000001073000-memory.dmp

Filesize
8KB

Download
memory/2196-168-0x0000000001071000-0x0000000001073000-memory.dmp

Filesize
8KB

Download
memory/2196-169-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-170-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/2196-190-0x0000000001070000-0x000000000138F000-memory.dmp

Filesize
3.1MB

Download
memory/2196-191-0x0000000001760000-0x00000000017A4000-memory.dmp

Filesize
272KB

Download
memory/4344-224-0x0000000001380000-0x000000000169F000-memory.dmp

Filesize
3.1MB

Download
memory/4344-262-0x0000000001380000-0x000000000169F000-memory.dmp

Filesize
3.1MB

Download
memory/4344-261-0x00000000012C0000-0x0000000001304000-memory.dmp

Filesize
272KB

Download
memory/4344-260-0x0000000001380000-0x000000000169F000-memory.dmp

Filesize
3.1MB

Download
memory/4344-259-0x0000000001380000-0x000000000169F000-memory.dmp

Filesize
3.1MB

Download
memory/4344-226-0x0000000001380000-0x000000000169F000-memory.dmp

Filesize
3.1MB

Download
memory/4344-225-0x00000000012C0000-0x0000000001304000-memory.dmp

Filesize
272KB

Download
memory/4828-186-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-188-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-179-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-180-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-177-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-173-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-184-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-176-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-175-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-185-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-181-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-187-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-178-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-189-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-182-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-174-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-183-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download
memory/4828-172-0x0000000077D40000-0x0000000077ECE000-memory.dmp

Filesize
1.6MB

Download