b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a

Analysis

max time kernel
95s
max time network
98s
platform
windows10_x64
resource
win10-20220414-en
resource tags

arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
submitted
09-08-2022 05:21

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General

Target

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
Size

1.8MB
MD5

1cf5749fad04f0f16260ac8e53baa075
SHA1

4d122685bcacc79f782a5fbac225a454f5ea63f9
SHA256

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a
SHA512

0abc2c5ee8f9cb07d962343d7f43453838465add2dc3dced0a61ae86168322fde80d9170b2d4c94b263d7733382e42de13b6cfadfd6137ed8c5d3f762617330b

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

Processes:

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

4800 oobeldr.exe

pid	process
4800	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

Processes:

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
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	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exeoobeldr.exe

pid	process
412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
4800	oobeldr.exe
4800	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

Processes:

schtasks.exeschtasks.exe

pid process

2680 schtasks.exe
4976 schtasks.exe

pid	process
2680	schtasks.exe
4976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exeoobeldr.exe

pid	process
412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
4800	oobeldr.exe
4800	oobeldr.exe
4800	oobeldr.exe
4800	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exeoobeldr.exe

description	pid	process	target process
PID 412 wrote to memory of 2680	412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe	schtasks.exe
PID 412 wrote to memory of 2680	412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe	schtasks.exe
PID 412 wrote to memory of 2680	412	b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe	schtasks.exe
PID 4800 wrote to memory of 4976	4800	oobeldr.exe	schtasks.exe
PID 4800 wrote to memory of 4976	4800	oobeldr.exe	schtasks.exe
PID 4800 wrote to memory of 4976	4800	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.exe
"C:\Users\Admin\AppData\Local\Temp\b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a.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:412

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:2680

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:4800

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:4976

Network

MITRE ATT&CK Matrix ATT&CK 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

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
1cf5749fad04f0f16260ac8e53baa075

SHA1
4d122685bcacc79f782a5fbac225a454f5ea63f9

SHA256
b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a

SHA512
0abc2c5ee8f9cb07d962343d7f43453838465add2dc3dced0a61ae86168322fde80d9170b2d4c94b263d7733382e42de13b6cfadfd6137ed8c5d3f762617330b

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
1cf5749fad04f0f16260ac8e53baa075

SHA1
4d122685bcacc79f782a5fbac225a454f5ea63f9

SHA256
b321417ec7f94af2711101f2a8966b1667ecac9e3c68133119d8371fb42dba7a

SHA512
0abc2c5ee8f9cb07d962343d7f43453838465add2dc3dced0a61ae86168322fde80d9170b2d4c94b263d7733382e42de13b6cfadfd6137ed8c5d3f762617330b

Download Submit
memory/412-118-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-119-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-120-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-121-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-122-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-123-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-124-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-125-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-126-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-127-0x0000000000FE0000-0x00000000012FF000-memory.dmp

Filesize
3.1MB

Download
memory/412-129-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-128-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-130-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-131-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-132-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-133-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-134-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-135-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-136-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-137-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-138-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-139-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-140-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-141-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-142-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-143-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-144-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-145-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-146-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-147-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-148-0x0000000001300000-0x000000000144A000-memory.dmp

Filesize
1.3MB

Download
memory/412-149-0x0000000000FE0000-0x00000000012FF000-memory.dmp

Filesize
3.1MB

Download
memory/412-150-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-151-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-152-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-153-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-154-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-155-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-157-0x0000000000FE0000-0x00000000012FF000-memory.dmp

Filesize
3.1MB

Download
memory/412-156-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-158-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-159-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-160-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-161-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-162-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-163-0x0000000000FE0000-0x00000000012FF000-memory.dmp

Filesize
3.1MB

Download
memory/412-166-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-165-0x0000000000FE1000-0x0000000000FE3000-memory.dmp

Filesize
8KB

Download
memory/412-164-0x0000000000FE1000-0x0000000000FE3000-memory.dmp

Filesize
8KB

Download
memory/412-167-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/412-187-0x0000000000FE0000-0x00000000012FF000-memory.dmp

Filesize
3.1MB

Download
memory/2680-168-0x0000000000000000-mapping.dmp

Download
memory/2680-169-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-170-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-172-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-171-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-173-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-175-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-174-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-176-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-177-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-178-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-179-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-180-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-181-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-182-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-183-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-184-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-185-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/2680-186-0x0000000077010000-0x000000007719E000-memory.dmp

Filesize
1.6MB

Download
memory/4800-230-0x0000000000120000-0x000000000043F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-231-0x0000000001430000-0x000000000157A000-memory.dmp

Filesize
1.3MB

Download
memory/4800-232-0x0000000000120000-0x000000000043F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-255-0x0000000000120000-0x000000000043F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-256-0x0000000001430000-0x000000000157A000-memory.dmp

Filesize
1.3MB

Download
memory/4976-236-0x0000000000000000-mapping.dmp

Download