65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1

Analysis

max time kernel
134s
max time network
149s
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, 10:03

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General

Target

65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
Size

1.8MB
MD5

06e1b3513cb994ad98d849e8c8cb715e
SHA1

c38bb19788030bdf1355a3a1bebcceaf9e57135e
SHA256

65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1
SHA512

746897321625c1e322c18959d00d226a01195815af4bee0943e6c8ab63348f3aa9fd05637f0917a72cbd7a5a7dd91d115cbf075d87450b74b145d70a1a5c941c
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__	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
5104	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	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	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	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
5104	oobeldr.exe
5104	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
4784	schtasks.exe
4892	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
5104	oobeldr.exe
5104	oobeldr.exe
5104	oobeldr.exe
5104	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 4784	2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe	66
PID 2404 wrote to memory of 4784	2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe	66
PID 2404 wrote to memory of 4784	2404	65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe	66
PID 5104 wrote to memory of 4892	5104	oobeldr.exe	69
PID 5104 wrote to memory of 4892	5104	oobeldr.exe	69
PID 5104 wrote to memory of 4892	5104	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.exe
"C:\Users\Admin\AppData\Local\Temp\65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1.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:2404
- 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:4784

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:5104
- 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:4892

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
06e1b3513cb994ad98d849e8c8cb715e

SHA1
c38bb19788030bdf1355a3a1bebcceaf9e57135e

SHA256
65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1

SHA512
746897321625c1e322c18959d00d226a01195815af4bee0943e6c8ab63348f3aa9fd05637f0917a72cbd7a5a7dd91d115cbf075d87450b74b145d70a1a5c941c

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

Filesize
1.8MB

MD5
06e1b3513cb994ad98d849e8c8cb715e

SHA1
c38bb19788030bdf1355a3a1bebcceaf9e57135e

SHA256
65d77aa0e0f9f43a9a367972582424b920917938e69404ce7403e52cb3398cc1

SHA512
746897321625c1e322c18959d00d226a01195815af4bee0943e6c8ab63348f3aa9fd05637f0917a72cbd7a5a7dd91d115cbf075d87450b74b145d70a1a5c941c

Download Submit
memory/2404-158-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-160-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-120-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-121-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-122-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-124-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-123-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-125-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-126-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-127-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-128-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-129-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-130-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-131-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-132-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-133-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-134-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-135-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-136-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-137-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-138-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-139-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-140-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-142-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-141-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-143-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-144-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-145-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-146-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-148-0x0000000002FB0000-0x0000000002FF4000-memory.dmp

Filesize
272KB

Download
memory/2404-147-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-149-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-150-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-152-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-151-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-153-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-154-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-155-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-156-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-157-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-119-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-116-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-117-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-161-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-162-0x0000000000931000-0x0000000000933000-memory.dmp

Filesize
8KB

Download
memory/2404-163-0x0000000000931000-0x0000000000933000-memory.dmp

Filesize
8KB

Download
memory/2404-164-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-165-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-172-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-184-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-185-0x0000000002FB0000-0x0000000002FF4000-memory.dmp

Filesize
272KB

Download
memory/2404-186-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-189-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-118-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/2404-191-0x0000000002FB0000-0x0000000002FF4000-memory.dmp

Filesize
272KB

Download
memory/2404-190-0x0000000000930000-0x0000000000C4F000-memory.dmp

Filesize
3.1MB

Download
memory/2404-159-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-187-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-171-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-173-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-174-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-175-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-176-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-177-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-178-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-180-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-179-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-182-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-170-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-181-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-169-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-168-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-167-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-188-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/4784-183-0x0000000076EF0000-0x000000007707E000-memory.dmp

Filesize
1.6MB

Download
memory/5104-259-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/5104-257-0x00000000013E0000-0x000000000152A000-memory.dmp

Filesize
1.3MB

Download
memory/5104-258-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/5104-197-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/5104-260-0x00000000013E0000-0x000000000152A000-memory.dmp

Filesize
1.3MB

Download
memory/5104-261-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download