8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427

Analysis

max time kernel
51s
max time network
54s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30/09/2022, 13:09

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General

Target

8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
Size

1.8MB
MD5

c3ca32fc25488ea1653c345708e998b6
SHA1

a751c9ead40309f97b1232b55247074905ec20e3
SHA256

8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427
SHA512

d4a7038935128f447076da6bf6b964261c8f1a4ca3920f9a8ef291b467ef956918d7226047de55da981fa08233ddefa943ef34b1365094e909f538dfe92d8384
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__	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4572	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	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
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	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.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	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
4572	oobeldr.exe
4572	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
5068	schtasks.exe
3996	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
4572	oobeldr.exe
4572	oobeldr.exe
4572	oobeldr.exe
4572	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 5068	3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe	66
PID 3040 wrote to memory of 5068	3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe	66
PID 3040 wrote to memory of 5068	3040	8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe	66
PID 4572 wrote to memory of 3996	4572	oobeldr.exe	69
PID 4572 wrote to memory of 3996	4572	oobeldr.exe	69
PID 4572 wrote to memory of 3996	4572	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.exe
"C:\Users\Admin\AppData\Local\Temp\8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427.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:3040
- 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:5068

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:4572
- 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:3996

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
c3ca32fc25488ea1653c345708e998b6

SHA1
a751c9ead40309f97b1232b55247074905ec20e3

SHA256
8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427

SHA512
d4a7038935128f447076da6bf6b964261c8f1a4ca3920f9a8ef291b467ef956918d7226047de55da981fa08233ddefa943ef34b1365094e909f538dfe92d8384

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

Filesize
1.8MB

MD5
c3ca32fc25488ea1653c345708e998b6

SHA1
a751c9ead40309f97b1232b55247074905ec20e3

SHA256
8a831ed1c7b672476c46e89d3c7e5a4757f6baccab668a9298b1461b85e0c427

SHA512
d4a7038935128f447076da6bf6b964261c8f1a4ca3920f9a8ef291b467ef956918d7226047de55da981fa08233ddefa943ef34b1365094e909f538dfe92d8384

Download Submit
memory/3040-156-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-162-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-120-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-121-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-122-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-123-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-158-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-124-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-126-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-127-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-128-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-129-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-130-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-131-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-118-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-133-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-134-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-135-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-136-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-137-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-138-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-139-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-140-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-141-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-142-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-143-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-144-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-145-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-146-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-147-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-149-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/3040-148-0x00000000011B0000-0x00000000011F4000-memory.dmp

Filesize
272KB

Download
memory/3040-150-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-152-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-151-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/3040-153-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-154-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-155-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-132-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-119-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-125-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/3040-159-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-160-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-161-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-157-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-163-0x0000000000821000-0x0000000000823000-memory.dmp

Filesize
8KB

Download
memory/3040-164-0x0000000000821000-0x0000000000823000-memory.dmp

Filesize
8KB

Download
memory/3040-165-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-166-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/3040-167-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/3040-187-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/3040-188-0x00000000011B0000-0x00000000011F4000-memory.dmp

Filesize
272KB

Download
memory/4572-231-0x0000000000BF0000-0x0000000000F0F000-memory.dmp

Filesize
3.1MB

Download
memory/4572-258-0x0000000003040000-0x0000000003084000-memory.dmp

Filesize
272KB

Download
memory/4572-257-0x0000000000BF0000-0x0000000000F0F000-memory.dmp

Filesize
3.1MB

Download
memory/4572-242-0x0000000000BF0000-0x0000000000F0F000-memory.dmp

Filesize
3.1MB

Download
memory/4572-239-0x0000000000BF0000-0x0000000000F0F000-memory.dmp

Filesize
3.1MB

Download
memory/4572-232-0x0000000003040000-0x0000000003084000-memory.dmp

Filesize
272KB

Download
memory/5068-173-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-172-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-176-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-180-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-174-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-184-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-177-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-181-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-178-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-175-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-171-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-170-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-169-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-182-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-183-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-179-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-185-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download
memory/5068-186-0x00000000779B0000-0x0000000077B3E000-memory.dmp

Filesize
1.6MB

Download