9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24

General

Target

9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
Size

1.8MB
MD5

261e899ad074c8ac00c8a88959420396
SHA1

f58cb960cdab7bd1bcc10290a3129675f2df133f
SHA256

9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24
SHA512

bcad518d14b3f04427ebdfa786af85fdb5201ceb6983e420c0139700a1ee13d6d017b0363c7cccc42725b6afaf204388be9601083f8449cd7b6bfaf9cdc63ec4
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__	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
3440	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	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.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	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
3440	oobeldr.exe
3440	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
1380	schtasks.exe
1264	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
3440	oobeldr.exe
3440	oobeldr.exe
3440	oobeldr.exe
3440	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 1380	4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe	79
PID 4976 wrote to memory of 1380	4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe	79
PID 4976 wrote to memory of 1380	4976	9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe	79
PID 3440 wrote to memory of 1264	3440	oobeldr.exe	89
PID 3440 wrote to memory of 1264	3440	oobeldr.exe	89
PID 3440 wrote to memory of 1264	3440	oobeldr.exe	89

C:\Users\Admin\AppData\Local\Temp\9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.exe
"C:\Users\Admin\AppData\Local\Temp\9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24.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:4976
- 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:1380

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:3440
- 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:1264

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.8MB

MD5
261e899ad074c8ac00c8a88959420396

SHA1
f58cb960cdab7bd1bcc10290a3129675f2df133f

SHA256
9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24

SHA512
bcad518d14b3f04427ebdfa786af85fdb5201ceb6983e420c0139700a1ee13d6d017b0363c7cccc42725b6afaf204388be9601083f8449cd7b6bfaf9cdc63ec4

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

Filesize
1.8MB

MD5
261e899ad074c8ac00c8a88959420396

SHA1
f58cb960cdab7bd1bcc10290a3129675f2df133f

SHA256
9bb129ce4f9b961e5d1bb0e1cc66d4f4aec9c2e5b2abc01b094c507f780a8f24

SHA512
bcad518d14b3f04427ebdfa786af85fdb5201ceb6983e420c0139700a1ee13d6d017b0363c7cccc42725b6afaf204388be9601083f8449cd7b6bfaf9cdc63ec4

Download Submit
memory/3440-148-0x0000000000390000-0x00000000006AF000-memory.dmp

Filesize
3.1MB

Download
memory/3440-150-0x0000000000390000-0x00000000006AF000-memory.dmp

Filesize
3.1MB

Download
memory/3440-153-0x00000000026C0000-0x0000000002704000-memory.dmp

Filesize
272KB

Download
memory/3440-152-0x0000000000390000-0x00000000006AF000-memory.dmp

Filesize
3.1MB

Download
memory/3440-151-0x0000000077180000-0x0000000077323000-memory.dmp

Filesize
1.6MB

Download
memory/3440-149-0x00000000026C0000-0x0000000002704000-memory.dmp

Filesize
272KB

Download
memory/3440-146-0x0000000000391000-0x0000000000393000-memory.dmp

Filesize
8KB

Download
memory/3440-144-0x0000000000390000-0x00000000006AF000-memory.dmp

Filesize
3.1MB

Download
memory/4976-133-0x0000000000E30000-0x000000000114F000-memory.dmp

Filesize
3.1MB

Download
memory/4976-135-0x0000000000E30000-0x000000000114F000-memory.dmp

Filesize
3.1MB

Download
memory/4976-134-0x0000000000A90000-0x0000000000AD4000-memory.dmp

Filesize
272KB

Download
memory/4976-132-0x0000000000E30000-0x000000000114F000-memory.dmp

Filesize
3.1MB

Download
memory/4976-141-0x0000000077180000-0x0000000077323000-memory.dmp

Filesize
1.6MB

Download
memory/4976-137-0x0000000000E31000-0x0000000000E33000-memory.dmp

Filesize
8KB

Download
memory/4976-140-0x0000000000A90000-0x0000000000AD4000-memory.dmp

Filesize
272KB

Download
memory/4976-139-0x0000000000E30000-0x000000000114F000-memory.dmp

Filesize
3.1MB

Download
memory/4976-136-0x0000000000E31000-0x0000000000E33000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads