b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0

General

Target

b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
Size

1.8MB
MD5

3f16503c9c363f3ada46a5718e4ad98e
SHA1

9ccff0c044bb392db3376006bfc7d0b44ffc75e5
SHA256

b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0
SHA512

a832f5aa0c9b35b4576d23fdada21fa309efb07ab0f5d8a9c275d8ebf352552442d76f3232d81e33545787eaad5dd7bfbeed42f9661473ece6eef3e50bb72746
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__	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe

Executes dropped EXE 1 IoCs

pid	Process
5036	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	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.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	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
5036	oobeldr.exe
5036	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
4892	schtasks.exe
2796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
5036	oobeldr.exe
5036	oobeldr.exe
5036	oobeldr.exe
5036	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 4892	4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe	81
PID 4656 wrote to memory of 4892	4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe	81
PID 4656 wrote to memory of 4892	4656	b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe	81
PID 5036 wrote to memory of 2796	5036	oobeldr.exe	92
PID 5036 wrote to memory of 2796	5036	oobeldr.exe	92
PID 5036 wrote to memory of 2796	5036	oobeldr.exe	92

C:\Users\Admin\AppData\Local\Temp\b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.exe
"C:\Users\Admin\AppData\Local\Temp\b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0.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:4656
- 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

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:5036
- 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:2796

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.8MB

MD5
3f16503c9c363f3ada46a5718e4ad98e

SHA1
9ccff0c044bb392db3376006bfc7d0b44ffc75e5

SHA256
b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0

SHA512
a832f5aa0c9b35b4576d23fdada21fa309efb07ab0f5d8a9c275d8ebf352552442d76f3232d81e33545787eaad5dd7bfbeed42f9661473ece6eef3e50bb72746

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

Filesize
1.8MB

MD5
3f16503c9c363f3ada46a5718e4ad98e

SHA1
9ccff0c044bb392db3376006bfc7d0b44ffc75e5

SHA256
b7abf3965ad21c9abdd8a54d36c5b28beeefe13948bd5c1ff9d27195b20024f0

SHA512
a832f5aa0c9b35b4576d23fdada21fa309efb07ab0f5d8a9c275d8ebf352552442d76f3232d81e33545787eaad5dd7bfbeed42f9661473ece6eef3e50bb72746

Download Submit
memory/4656-144-0x0000000002F30000-0x0000000002F74000-memory.dmp

Filesize
272KB

Download
memory/4656-133-0x0000000000C90000-0x0000000000FAF000-memory.dmp

Filesize
3.1MB

Download
memory/4656-137-0x0000000000C91000-0x0000000000C93000-memory.dmp

Filesize
8KB

Download
memory/4656-138-0x0000000000C90000-0x0000000000FAF000-memory.dmp

Filesize
3.1MB

Download
memory/4656-139-0x0000000000C91000-0x0000000000C93000-memory.dmp

Filesize
8KB

Download
memory/4656-141-0x0000000077500000-0x00000000776A3000-memory.dmp

Filesize
1.6MB

Download
memory/4656-136-0x0000000000C90000-0x0000000000FAF000-memory.dmp

Filesize
3.1MB

Download
memory/4656-142-0x0000000000C90000-0x0000000000FAF000-memory.dmp

Filesize
3.1MB

Download
memory/4656-143-0x0000000077500000-0x00000000776A3000-memory.dmp

Filesize
1.6MB

Download
memory/4656-132-0x0000000000C90000-0x0000000000FAF000-memory.dmp

Filesize
3.1MB

Download
memory/4656-135-0x0000000000C90000-0x0000000000FAF000-memory.dmp

Filesize
3.1MB

Download
memory/4656-134-0x0000000002F30000-0x0000000002F74000-memory.dmp

Filesize
272KB

Download
memory/5036-148-0x0000000000F90000-0x00000000012AF000-memory.dmp

Filesize
3.1MB

Download
memory/5036-149-0x0000000001600000-0x0000000001644000-memory.dmp

Filesize
272KB

Download
memory/5036-150-0x0000000077500000-0x00000000776A3000-memory.dmp

Filesize
1.6MB

Download
memory/5036-152-0x0000000000F91000-0x0000000000F93000-memory.dmp

Filesize
8KB

Download
memory/5036-147-0x0000000000F90000-0x00000000012AF000-memory.dmp

Filesize
3.1MB

Download
memory/5036-154-0x0000000000F90000-0x00000000012AF000-memory.dmp

Filesize
3.1MB

Download
memory/5036-155-0x0000000001600000-0x0000000001644000-memory.dmp

Filesize
272KB

Download
memory/5036-156-0x0000000077500000-0x00000000776A3000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads