4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee

Analysis

max time kernel
50s
max time network
63s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
17/09/2022, 00:08

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General

Target

4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
Size

1.8MB
MD5

5782a2eebbe543ecf16e47c59ac57dc3
SHA1

27c6eb8c1f8d49012e102d83882188f1db119e6e
SHA256

4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee
SHA512

7c87acf8494bcc39f2e9a50558c0e628cbd2ef73c74ce60371f9c3b642bbdf04cdca71fae7f42609403dbc1dff8f84224858ba4d47692fb5ae8a170d8ff56f23
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__	oobeldr.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe

Executes dropped EXE 1 IoCs

pid	Process
3336	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	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.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	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
3336	oobeldr.exe
3336	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
3560	schtasks.exe
776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
3336	oobeldr.exe
3336	oobeldr.exe
3336	oobeldr.exe
3336	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2744 wrote to memory of 3560	2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe	66
PID 2744 wrote to memory of 3560	2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe	66
PID 2744 wrote to memory of 3560	2744	4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe	66
PID 3336 wrote to memory of 776	3336	oobeldr.exe	69
PID 3336 wrote to memory of 776	3336	oobeldr.exe	69
PID 3336 wrote to memory of 776	3336	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.exe
"C:\Users\Admin\AppData\Local\Temp\4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee.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:2744
- 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:3560

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:3336
- 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:776

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
5782a2eebbe543ecf16e47c59ac57dc3

SHA1
27c6eb8c1f8d49012e102d83882188f1db119e6e

SHA256
4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee

SHA512
7c87acf8494bcc39f2e9a50558c0e628cbd2ef73c74ce60371f9c3b642bbdf04cdca71fae7f42609403dbc1dff8f84224858ba4d47692fb5ae8a170d8ff56f23

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

Filesize
1.8MB

MD5
5782a2eebbe543ecf16e47c59ac57dc3

SHA1
27c6eb8c1f8d49012e102d83882188f1db119e6e

SHA256
4d7704e821b371461de0fb1b61c1d9e44e89d585b81ba88730fe1061612bccee

SHA512
7c87acf8494bcc39f2e9a50558c0e628cbd2ef73c74ce60371f9c3b642bbdf04cdca71fae7f42609403dbc1dff8f84224858ba4d47692fb5ae8a170d8ff56f23

Download Submit
memory/2744-159-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-153-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-124-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-125-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-126-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-127-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-129-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-128-0x0000000000F20000-0x000000000123F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-130-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-131-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-132-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-133-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-134-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-135-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-136-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-137-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-138-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-139-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-140-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-141-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-142-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-143-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-144-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-145-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-146-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-147-0x0000000001640000-0x0000000001684000-memory.dmp

Filesize
272KB

Download
memory/2744-148-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-149-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-150-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-151-0x0000000000F20000-0x000000000123F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-152-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-161-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-154-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-155-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-157-0x0000000000F20000-0x000000000123F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-156-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-158-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-122-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-123-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-160-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-167-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-163-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-164-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-165-0x0000000000F21000-0x0000000000F23000-memory.dmp

Filesize
8KB

Download
memory/2744-166-0x0000000000F21000-0x0000000000F23000-memory.dmp

Filesize
8KB

Download
memory/2744-162-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-168-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-174-0x0000000000F20000-0x000000000123F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-189-0x0000000000F20000-0x000000000123F000-memory.dmp

Filesize
3.1MB

Download
memory/2744-190-0x0000000001640000-0x0000000001684000-memory.dmp

Filesize
272KB

Download
memory/2744-120-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/2744-121-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3336-195-0x0000000000FC0000-0x00000000012DF000-memory.dmp

Filesize
3.1MB

Download
memory/3336-260-0x0000000000FC0000-0x00000000012DF000-memory.dmp

Filesize
3.1MB

Download
memory/3336-259-0x0000000000780000-0x00000000008CA000-memory.dmp

Filesize
1.3MB

Download
memory/3336-258-0x0000000000FC0000-0x00000000012DF000-memory.dmp

Filesize
3.1MB

Download
memory/3336-236-0x0000000000FC0000-0x00000000012DF000-memory.dmp

Filesize
3.1MB

Download
memory/3336-235-0x0000000000780000-0x00000000008CA000-memory.dmp

Filesize
1.3MB

Download
memory/3560-178-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-177-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-179-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-180-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-181-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-170-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-185-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-182-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-176-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-175-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-183-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-173-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-172-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-171-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-184-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-186-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-187-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download
memory/3560-188-0x0000000076F80000-0x000000007710E000-memory.dmp

Filesize
1.6MB

Download