71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426

Analysis

max time kernel
144s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02/10/2022, 19:53

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General

Target

71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
Size

1.8MB
MD5

92681d10f7aa0ff851d6483ec726aaae
SHA1

c1aafc086d187386ee48ccf2760a67aeb97c52ce
SHA256

71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426
SHA512

32941b62b35cb485ed964be9dacfa12ca1309ee2c888f97f78f45133e2fc7f7a3314b053903e9bd6940be12faa184bb31f6fcae228d4aa4910ebaa86d7e1a225
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__	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4712	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\VideoBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	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	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
4712	oobeldr.exe
4712	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
4664	schtasks.exe
5008	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
4712	oobeldr.exe
4712	oobeldr.exe
4712	oobeldr.exe
4712	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4664	2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe	66
PID 2364 wrote to memory of 4664	2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe	66
PID 2364 wrote to memory of 4664	2364	71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe	66
PID 4712 wrote to memory of 5008	4712	oobeldr.exe	69
PID 4712 wrote to memory of 5008	4712	oobeldr.exe	69
PID 4712 wrote to memory of 5008	4712	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.exe
"C:\Users\Admin\AppData\Local\Temp\71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426.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:2364
- 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:4664

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:4712
- 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:5008

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
92681d10f7aa0ff851d6483ec726aaae

SHA1
c1aafc086d187386ee48ccf2760a67aeb97c52ce

SHA256
71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426

SHA512
32941b62b35cb485ed964be9dacfa12ca1309ee2c888f97f78f45133e2fc7f7a3314b053903e9bd6940be12faa184bb31f6fcae228d4aa4910ebaa86d7e1a225

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

Filesize
1.8MB

MD5
92681d10f7aa0ff851d6483ec726aaae

SHA1
c1aafc086d187386ee48ccf2760a67aeb97c52ce

SHA256
71e934b1f649b20a15f8d7e5e2099e21fbe0180475a33c690558a773c3a1d426

SHA512
32941b62b35cb485ed964be9dacfa12ca1309ee2c888f97f78f45133e2fc7f7a3314b053903e9bd6940be12faa184bb31f6fcae228d4aa4910ebaa86d7e1a225

Download Submit
memory/2364-154-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-165-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-120-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-121-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-122-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-123-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-124-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-125-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-126-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-127-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-128-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-129-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-118-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/2364-131-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-133-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-134-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-135-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-136-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-137-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-132-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-138-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-139-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-140-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-142-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-141-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-143-0x0000000002DE0000-0x0000000002E24000-memory.dmp

Filesize
272KB

Download
memory/2364-144-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-145-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-146-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-147-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-148-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-149-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/2364-150-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-151-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-152-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-153-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-130-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-119-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-156-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-157-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-158-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-160-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/2364-159-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-161-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-162-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-163-0x0000000000331000-0x0000000000333000-memory.dmp

Filesize
8KB

Download
memory/2364-164-0x0000000000331000-0x0000000000333000-memory.dmp

Filesize
8KB

Download
memory/2364-155-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-166-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/2364-169-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/2364-187-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/2364-188-0x0000000002DE0000-0x0000000002E24000-memory.dmp

Filesize
272KB

Download
memory/4664-186-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-176-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-168-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-171-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-172-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-173-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-174-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-177-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-178-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-170-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-179-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-184-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-175-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-182-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-183-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-180-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-185-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4664-181-0x00000000770E0000-0x000000007726E000-memory.dmp

Filesize
1.6MB

Download
memory/4712-252-0x0000000000150000-0x000000000046F000-memory.dmp

Filesize
3.1MB

Download
memory/4712-253-0x0000000000D80000-0x0000000000DC4000-memory.dmp

Filesize
272KB

Download
memory/4712-255-0x0000000000150000-0x000000000046F000-memory.dmp

Filesize
3.1MB

Download
memory/4712-256-0x0000000000D80000-0x0000000000DC4000-memory.dmp

Filesize
272KB

Download