8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988

Analysis

max time kernel
63s
max time network
58s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
18/09/2022, 03:57

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General

Target

8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
Size

1.8MB
MD5

28e76a525b336bc00477f45ca0bfb937
SHA1

3d712c4706c25f0cc5744804fa0afb85959246be
SHA256

8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988
SHA512

831fda618b747fe2c9b915b9ef59615d5828d5c64cf92f2180c8a34bd917b6c00be58a47154a809f8408ed2320d1127c7cb57bc81ff25eddfcd5bd92d840d73f
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__	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4660	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	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.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	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
4660	oobeldr.exe
4660	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
4564	schtasks.exe
1732	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
4660	oobeldr.exe
4660	oobeldr.exe
4660	oobeldr.exe
4660	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 4564	3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe	66
PID 3068 wrote to memory of 4564	3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe	66
PID 3068 wrote to memory of 4564	3068	8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe	66
PID 4660 wrote to memory of 1732	4660	oobeldr.exe	69
PID 4660 wrote to memory of 1732	4660	oobeldr.exe	69
PID 4660 wrote to memory of 1732	4660	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.exe
"C:\Users\Admin\AppData\Local\Temp\8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988.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:3068
- 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:4564

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:4660
- 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:1732

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
28e76a525b336bc00477f45ca0bfb937

SHA1
3d712c4706c25f0cc5744804fa0afb85959246be

SHA256
8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988

SHA512
831fda618b747fe2c9b915b9ef59615d5828d5c64cf92f2180c8a34bd917b6c00be58a47154a809f8408ed2320d1127c7cb57bc81ff25eddfcd5bd92d840d73f

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

Filesize
1.8MB

MD5
28e76a525b336bc00477f45ca0bfb937

SHA1
3d712c4706c25f0cc5744804fa0afb85959246be

SHA256
8e1db3c9c699d27974146256bf1621084a69568acec2246fdb37d68789c4b988

SHA512
831fda618b747fe2c9b915b9ef59615d5828d5c64cf92f2180c8a34bd917b6c00be58a47154a809f8408ed2320d1127c7cb57bc81ff25eddfcd5bd92d840d73f

Download Submit
memory/3068-158-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-152-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-123-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-124-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-125-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-126-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-127-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-129-0x00000000011B0000-0x00000000014CF000-memory.dmp

Filesize
3.1MB

Download
memory/3068-128-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-130-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-131-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-132-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-133-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-134-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-135-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-136-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-137-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-138-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-139-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-140-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-141-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-142-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-143-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-144-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-145-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-146-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-147-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-148-0x0000000000EE0000-0x0000000000F24000-memory.dmp

Filesize
272KB

Download
memory/3068-149-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-150-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-151-0x00000000011B0000-0x00000000014CF000-memory.dmp

Filesize
3.1MB

Download
memory/3068-160-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-153-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-154-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-155-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-157-0x00000000011B0000-0x00000000014CF000-memory.dmp

Filesize
3.1MB

Download
memory/3068-156-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-121-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-122-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-159-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-166-0x00000000011B1000-0x00000000011B3000-memory.dmp

Filesize
8KB

Download
memory/3068-162-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-163-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-164-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-165-0x00000000011B1000-0x00000000011B3000-memory.dmp

Filesize
8KB

Download
memory/3068-161-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-167-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-168-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/3068-174-0x00000000011B0000-0x00000000014CF000-memory.dmp

Filesize
3.1MB

Download
memory/3068-189-0x00000000011B0000-0x00000000014CF000-memory.dmp

Filesize
3.1MB

Download
memory/3068-190-0x0000000000EE0000-0x0000000000F24000-memory.dmp

Filesize
272KB

Download
memory/3068-120-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-180-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-181-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-172-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-179-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-176-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-175-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-177-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-178-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-171-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-173-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-170-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-182-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-188-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-185-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-186-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-187-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-184-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4564-183-0x0000000077DB0000-0x0000000077F3E000-memory.dmp

Filesize
1.6MB

Download
memory/4660-257-0x00000000008E0000-0x0000000000BFF000-memory.dmp

Filesize
3.1MB

Download
memory/4660-230-0x0000000000860000-0x00000000008A4000-memory.dmp

Filesize
272KB

Download
memory/4660-229-0x00000000008E0000-0x0000000000BFF000-memory.dmp

Filesize
3.1MB

Download
memory/4660-258-0x00000000008E0000-0x0000000000BFF000-memory.dmp

Filesize
3.1MB

Download
memory/4660-259-0x0000000000860000-0x00000000008A4000-memory.dmp

Filesize
272KB

Download
memory/4660-260-0x00000000008E0000-0x0000000000BFF000-memory.dmp

Filesize
3.1MB

Download