305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944

General

Target

305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
Size

1.8MB
MD5

04206cdf4c07766d9af7aaaf3e7f750f
SHA1

773281afa73d822f510ceba8b08f1a923b467d34
SHA256

305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944
SHA512

7681b99426ad45978cf13d6df77456b44d85c23e3405b9768a7c7a3511524d865cc892e4a512012f9ddda8c524bb27903d4d39488e4df26ab51c928abd291cc8
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

Processes:

305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

4532 oobeldr.exe

pid	process
4532	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:

oobeldr.exe305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.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

Processes:

305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exeoobeldr.exe

pid	process
4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
4532	oobeldr.exe
4532	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

2104 schtasks.exe
4884 schtasks.exe

pid	process
2104	schtasks.exe
4884	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exeoobeldr.exe

pid	process
4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
4532	oobeldr.exe
4532	oobeldr.exe
4532	oobeldr.exe
4532	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exeoobeldr.exe

description	pid	process	target process
PID 4496 wrote to memory of 4884	4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe	schtasks.exe
PID 4496 wrote to memory of 4884	4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe	schtasks.exe
PID 4496 wrote to memory of 4884	4496	305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe	schtasks.exe
PID 4532 wrote to memory of 2104	4532	oobeldr.exe	schtasks.exe
PID 4532 wrote to memory of 2104	4532	oobeldr.exe	schtasks.exe
PID 4532 wrote to memory of 2104	4532	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.exe
"C:\Users\Admin\AppData\Local\Temp\305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944.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:4496

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:4884

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:4532

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:2104

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

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

MD5
04206cdf4c07766d9af7aaaf3e7f750f

SHA1
773281afa73d822f510ceba8b08f1a923b467d34

SHA256
305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944

SHA512
7681b99426ad45978cf13d6df77456b44d85c23e3405b9768a7c7a3511524d865cc892e4a512012f9ddda8c524bb27903d4d39488e4df26ab51c928abd291cc8

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

MD5
04206cdf4c07766d9af7aaaf3e7f750f

SHA1
773281afa73d822f510ceba8b08f1a923b467d34

SHA256
305b048306208ba215883addc0c6fa0b3010728ae4cdcc99a3c1913d630cd944

SHA512
7681b99426ad45978cf13d6df77456b44d85c23e3405b9768a7c7a3511524d865cc892e4a512012f9ddda8c524bb27903d4d39488e4df26ab51c928abd291cc8

Download Submit
memory/2104-147-0x0000000000000000-mapping.dmp

Download
memory/4496-137-0x0000000000A31000-0x0000000000A33000-memory.dmp

Filesize
8KB

Download
memory/4496-136-0x0000000000A30000-0x0000000000D4F000-memory.dmp

Filesize
3.1MB

Download
memory/4496-132-0x0000000000A30000-0x0000000000D4F000-memory.dmp

Filesize
3.1MB

Download
memory/4496-138-0x0000000000A31000-0x0000000000A33000-memory.dmp

Filesize
8KB

Download
memory/4496-133-0x0000000000A30000-0x0000000000D4F000-memory.dmp

Filesize
3.1MB

Download
memory/4496-140-0x0000000000A30000-0x0000000000D4F000-memory.dmp

Filesize
3.1MB

Download
memory/4496-141-0x0000000077950000-0x0000000077AF3000-memory.dmp

Filesize
1.6MB

Download
memory/4496-135-0x0000000000A30000-0x0000000000D4F000-memory.dmp

Filesize
3.1MB

Download
memory/4496-134-0x00000000010D0000-0x0000000001114000-memory.dmp

Filesize
272KB

Download
memory/4532-144-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/4532-146-0x0000000000851000-0x0000000000853000-memory.dmp

Filesize
8KB

Download
memory/4532-148-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/4532-149-0x0000000000460000-0x00000000004A4000-memory.dmp

Filesize
272KB

Download
memory/4532-150-0x0000000077950000-0x0000000077AF3000-memory.dmp

Filesize
1.6MB

Download
memory/4532-151-0x0000000000850000-0x0000000000B6F000-memory.dmp

Filesize
3.1MB

Download
memory/4532-152-0x0000000000460000-0x00000000004A4000-memory.dmp

Filesize
272KB

Download
memory/4884-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads