4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df

Analysis

max time kernel
55s
max time network
72s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
16-09-2022 15:51

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General

Target

4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
Size

1.8MB
MD5

2e749aff6b6fc716b881529643135c54
SHA1

935d8b29422f34d4684b6f178ae73827b88f26c9
SHA256

4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df
SHA512

31ea5751eb455f741a1dfa5b9769f3885edc69346ccf5c84db03d3a3030e3c56638ce1cbda543f66b7669274cd3ec7eb105673085eab84fd76012dd2e19832fb
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__	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4656	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	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.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	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
4656	oobeldr.exe
4656	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
4408	schtasks.exe
4180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
4656	oobeldr.exe
4656	oobeldr.exe
4656	oobeldr.exe
4656	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 4408	1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe	66
PID 1524 wrote to memory of 4408	1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe	66
PID 1524 wrote to memory of 4408	1524	4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe	66
PID 4656 wrote to memory of 4180	4656	oobeldr.exe	69
PID 4656 wrote to memory of 4180	4656	oobeldr.exe	69
PID 4656 wrote to memory of 4180	4656	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.exe
"C:\Users\Admin\AppData\Local\Temp\4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df.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:1524
- 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:4408

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:4656
- 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:4180

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
2e749aff6b6fc716b881529643135c54

SHA1
935d8b29422f34d4684b6f178ae73827b88f26c9

SHA256
4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df

SHA512
31ea5751eb455f741a1dfa5b9769f3885edc69346ccf5c84db03d3a3030e3c56638ce1cbda543f66b7669274cd3ec7eb105673085eab84fd76012dd2e19832fb

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

Filesize
1.8MB

MD5
2e749aff6b6fc716b881529643135c54

SHA1
935d8b29422f34d4684b6f178ae73827b88f26c9

SHA256
4ad1309f90d93531ccdd6c32ae808d674d68434fba1e693981ddaecc7d4c57df

SHA512
31ea5751eb455f741a1dfa5b9769f3885edc69346ccf5c84db03d3a3030e3c56638ce1cbda543f66b7669274cd3ec7eb105673085eab84fd76012dd2e19832fb

Download Submit
memory/1524-151-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-143-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-118-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-119-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-120-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-121-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-122-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-123-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-124-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-125-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-127-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/1524-128-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-126-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-129-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-130-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-131-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-132-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-133-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-134-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-135-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-136-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-137-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-138-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-139-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-140-0x00000000029D0000-0x0000000002A14000-memory.dmp

Filesize
272KB

Download
memory/1524-156-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-142-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-155-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-144-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-145-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-146-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-147-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/1524-148-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-149-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-150-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-152-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/1524-116-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-153-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-154-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-117-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-141-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-157-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-158-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-159-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-160-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-161-0x0000000000331000-0x0000000000333000-memory.dmp

Filesize
8KB

Download
memory/1524-162-0x0000000000331000-0x0000000000333000-memory.dmp

Filesize
8KB

Download
memory/1524-163-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-164-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/1524-170-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/1524-185-0x0000000000330000-0x000000000064F000-memory.dmp

Filesize
3.1MB

Download
memory/1524-186-0x00000000029D0000-0x0000000002A14000-memory.dmp

Filesize
272KB

Download
memory/4408-179-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-167-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-168-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-169-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-171-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-172-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-173-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-174-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-175-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-176-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-177-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-178-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-166-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-180-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-181-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-182-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-183-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4408-184-0x0000000077290000-0x000000007741E000-memory.dmp

Filesize
1.6MB

Download
memory/4656-251-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4656-252-0x0000000000B90000-0x0000000000BD4000-memory.dmp

Filesize
272KB

Download
memory/4656-253-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4656-254-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4656-255-0x0000000000B90000-0x0000000000BD4000-memory.dmp

Filesize
272KB

Download