334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954

Analysis

max time kernel
70s
max time network
67s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
05/10/2022, 14:11

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General

Target

334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
Size

1.8MB
MD5

3871d3b95884c81129593bed107b6540
SHA1

a7fcbc9a40ae9f55ffa736e79820734b44ccfcb8
SHA256

334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954
SHA512

ab021a181fde81e8a6e7d8fc12e75fc1e979d08d6a70d88faf8ab708de908ef0cdf37e6d55f0e7a47c654fa0250ed57cceff4a61d0c2a90d1ce6d1d19f036d09
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__	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	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	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.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	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
2976	oobeldr.exe
2976	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
2780	schtasks.exe
3396	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
2976	oobeldr.exe
2976	oobeldr.exe
2976	oobeldr.exe
2976	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2780	2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe	66
PID 2492 wrote to memory of 2780	2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe	66
PID 2492 wrote to memory of 2780	2492	334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe	66
PID 2976 wrote to memory of 3396	2976	oobeldr.exe	69
PID 2976 wrote to memory of 3396	2976	oobeldr.exe	69
PID 2976 wrote to memory of 3396	2976	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.exe
"C:\Users\Admin\AppData\Local\Temp\334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954.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:2780

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:2976
- 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:3396

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
3871d3b95884c81129593bed107b6540

SHA1
a7fcbc9a40ae9f55ffa736e79820734b44ccfcb8

SHA256
334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954

SHA512
ab021a181fde81e8a6e7d8fc12e75fc1e979d08d6a70d88faf8ab708de908ef0cdf37e6d55f0e7a47c654fa0250ed57cceff4a61d0c2a90d1ce6d1d19f036d09

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

Filesize
1.8MB

MD5
3871d3b95884c81129593bed107b6540

SHA1
a7fcbc9a40ae9f55ffa736e79820734b44ccfcb8

SHA256
334854e5a170c47e037ac5d6c7142f03016edc73a1f8f02101ee4259cf815954

SHA512
ab021a181fde81e8a6e7d8fc12e75fc1e979d08d6a70d88faf8ab708de908ef0cdf37e6d55f0e7a47c654fa0250ed57cceff4a61d0c2a90d1ce6d1d19f036d09

Download Submit
memory/2492-156-0x0000000000940000-0x0000000000C5F000-memory.dmp

Filesize
3.1MB

Download
memory/2492-151-0x0000000077D90000-0x0000000077F1E000-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/2492-125-0x0000000000940000-0x0000000000C5F000-memory.dmp

Filesize
3.1MB

Download
memory/2492-124-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2492-127-0x0000000077D90000-0x0000000077F1E000-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/2492-138-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2492-139-0x0000000077D90000-0x0000000077F1E000-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/2492-149-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2492-150-0x0000000000940000-0x0000000000C5F000-memory.dmp

Filesize
3.1MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2492-154-0x0000000000940000-0x0000000000C5F000-memory.dmp

Filesize
3.1MB

Download
memory/2492-152-0x0000000002DF0000-0x0000000002E34000-memory.dmp

Filesize
272KB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2492-157-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

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

Filesize
1.6MB

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

Filesize
1.6MB

Download
memory/2492-165-0x0000000077D90000-0x0000000077F1E000-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/2492-160-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-166-0x0000000000941000-0x0000000000943000-memory.dmp

Filesize
8KB

Download
memory/2492-167-0x0000000000941000-0x0000000000943000-memory.dmp

Filesize
8KB

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

Filesize
1.6MB

Download
memory/2492-169-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2492-176-0x0000000000940000-0x0000000000C5F000-memory.dmp

Filesize
3.1MB

Download
memory/2492-190-0x0000000000940000-0x0000000000C5F000-memory.dmp

Filesize
3.1MB

Download
memory/2492-191-0x0000000002DF0000-0x0000000002E34000-memory.dmp

Filesize
272KB

Download
memory/2780-189-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-177-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-172-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-174-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-173-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-175-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-178-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-179-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-180-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-171-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-182-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-187-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-183-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-181-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-186-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-184-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-188-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-185-0x0000000077D90000-0x0000000077F1E000-memory.dmp

Filesize
1.6MB

Download
memory/2976-252-0x0000000000A60000-0x0000000000D7F000-memory.dmp

Filesize
3.1MB

Download
memory/2976-254-0x0000000002CF0000-0x0000000002D34000-memory.dmp

Filesize
272KB

Download
memory/2976-258-0x0000000000A60000-0x0000000000D7F000-memory.dmp

Filesize
3.1MB

Download
memory/2976-259-0x0000000002CF0000-0x0000000002D34000-memory.dmp

Filesize
272KB

Download