8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2

Analysis

max time kernel
106s
max time network
115s
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, 06:15

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General

Target

8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
Size

1.8MB
MD5

5420759f6f10874e68a4a571e790cd35
SHA1

e74621672bcc6f18e7a1b659b7cfa44d463fcdb9
SHA256

8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2
SHA512

8e5a5dba07118a1c9197c727b4193f1fc16e3f5fb5ca9df01d740575f4c789a199cd7578aa9ddc319d488ba755e95158a31610556eada337aaf1637d4d3ca73d
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__	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4984	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	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.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	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
4984	oobeldr.exe
4984	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
3240	schtasks.exe
4796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
4984	oobeldr.exe
4984	oobeldr.exe
4984	oobeldr.exe
4984	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 3240	1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe	66
PID 1748 wrote to memory of 3240	1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe	66
PID 1748 wrote to memory of 3240	1748	8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe	66
PID 4984 wrote to memory of 4796	4984	oobeldr.exe	69
PID 4984 wrote to memory of 4796	4984	oobeldr.exe	69
PID 4984 wrote to memory of 4796	4984	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.exe
"C:\Users\Admin\AppData\Local\Temp\8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2.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:1748
- 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:3240

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:4984
- 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:4796

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
5420759f6f10874e68a4a571e790cd35

SHA1
e74621672bcc6f18e7a1b659b7cfa44d463fcdb9

SHA256
8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2

SHA512
8e5a5dba07118a1c9197c727b4193f1fc16e3f5fb5ca9df01d740575f4c789a199cd7578aa9ddc319d488ba755e95158a31610556eada337aaf1637d4d3ca73d

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

Filesize
1.8MB

MD5
5420759f6f10874e68a4a571e790cd35

SHA1
e74621672bcc6f18e7a1b659b7cfa44d463fcdb9

SHA256
8210b39859692ddaf942b292178f9ffe67b238eddf4206f457eb146927167dc2

SHA512
8e5a5dba07118a1c9197c727b4193f1fc16e3f5fb5ca9df01d740575f4c789a199cd7578aa9ddc319d488ba755e95158a31610556eada337aaf1637d4d3ca73d

Download Submit
memory/1748-158-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-161-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-122-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-123-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-124-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-125-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-126-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-127-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-128-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-129-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-130-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-131-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-132-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-133-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-134-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-135-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-136-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-137-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-138-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-139-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-140-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-141-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-142-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-143-0x0000000001250000-0x0000000001294000-memory.dmp

Filesize
272KB

Download
memory/1748-144-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-145-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-146-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-147-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-148-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-149-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-150-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-151-0x00000000002C0000-0x00000000005DF000-memory.dmp

Filesize
3.1MB

Download
memory/1748-152-0x00000000002C0000-0x00000000005DF000-memory.dmp

Filesize
3.1MB

Download
memory/1748-153-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-154-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-155-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-156-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-157-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-120-0x00000000002C0000-0x00000000005DF000-memory.dmp

Filesize
3.1MB

Download
memory/1748-159-0x00000000002C0000-0x00000000005DF000-memory.dmp

Filesize
3.1MB

Download
memory/1748-121-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-162-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-160-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-163-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-164-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-165-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-166-0x00000000002C1000-0x00000000002C3000-memory.dmp

Filesize
8KB

Download
memory/1748-167-0x00000000002C1000-0x00000000002C3000-memory.dmp

Filesize
8KB

Download
memory/1748-168-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-169-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/1748-170-0x00000000002C0000-0x00000000005DF000-memory.dmp

Filesize
3.1MB

Download
memory/1748-190-0x00000000002C0000-0x00000000005DF000-memory.dmp

Filesize
3.1MB

Download
memory/1748-191-0x0000000001250000-0x0000000001294000-memory.dmp

Filesize
272KB

Download
memory/3240-189-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-180-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-173-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-174-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-186-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-176-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-177-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-178-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-179-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-183-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-181-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-182-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-172-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-175-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-184-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-187-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-188-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3240-185-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4984-223-0x0000000000300000-0x000000000061F000-memory.dmp

Filesize
3.1MB

Download
memory/4984-225-0x0000000002640000-0x0000000002684000-memory.dmp

Filesize
272KB

Download
memory/4984-227-0x0000000000300000-0x000000000061F000-memory.dmp

Filesize
3.1MB

Download
memory/4984-259-0x0000000000300000-0x000000000061F000-memory.dmp

Filesize
3.1MB

Download
memory/4984-260-0x0000000000300000-0x000000000061F000-memory.dmp

Filesize
3.1MB

Download
memory/4984-261-0x0000000002640000-0x0000000002684000-memory.dmp

Filesize
272KB

Download
memory/4984-262-0x0000000000300000-0x000000000061F000-memory.dmp

Filesize
3.1MB

Download
memory/4984-263-0x0000000000300000-0x000000000061F000-memory.dmp

Filesize
3.1MB

Download