efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88

Analysis

max time kernel
144s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
01/10/2022, 10:39

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General

Target

efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
Size

1.8MB
MD5

fd76c2afe52d2b1a7a8dcf38f078e7f9
SHA1

682d88ac43ade16a1489fbcb41775fbad0e4383a
SHA256

efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88
SHA512

1047988fb7c86db67921bcc4c93b9f958ecc7378cc509f60d2b3cf6770531d5f151990be272c74a93f9574535e328efbf0e65fcf1c1d7cff2b718b74f0f489f0
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__	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4072	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	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.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	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
4072	oobeldr.exe
4072	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
4764	schtasks.exe
1868	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
4072	oobeldr.exe
4072	oobeldr.exe
4072	oobeldr.exe
4072	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 4764	2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe	66
PID 2808 wrote to memory of 4764	2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe	66
PID 2808 wrote to memory of 4764	2808	efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe	66
PID 4072 wrote to memory of 1868	4072	oobeldr.exe	69
PID 4072 wrote to memory of 1868	4072	oobeldr.exe	69
PID 4072 wrote to memory of 1868	4072	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.exe
"C:\Users\Admin\AppData\Local\Temp\efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88.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:2808
- 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:4764

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:4072
- 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:1868

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
fd76c2afe52d2b1a7a8dcf38f078e7f9

SHA1
682d88ac43ade16a1489fbcb41775fbad0e4383a

SHA256
efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88

SHA512
1047988fb7c86db67921bcc4c93b9f958ecc7378cc509f60d2b3cf6770531d5f151990be272c74a93f9574535e328efbf0e65fcf1c1d7cff2b718b74f0f489f0

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

Filesize
1.8MB

MD5
fd76c2afe52d2b1a7a8dcf38f078e7f9

SHA1
682d88ac43ade16a1489fbcb41775fbad0e4383a

SHA256
efa145717720374c1f95f4ae3d77388a9961fc273173e60fc6111842a5fa3a88

SHA512
1047988fb7c86db67921bcc4c93b9f958ecc7378cc509f60d2b3cf6770531d5f151990be272c74a93f9574535e328efbf0e65fcf1c1d7cff2b718b74f0f489f0

Download Submit
memory/2808-150-0x0000000000950000-0x0000000000C6F000-memory.dmp

Filesize
3.1MB

Download
memory/2808-163-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-117-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-119-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-122-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-121-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-125-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-124-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-128-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-129-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-130-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-131-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-153-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-133-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-134-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-135-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-132-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-137-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-136-0x0000000000950000-0x0000000000C6F000-memory.dmp

Filesize
3.1MB

Download
memory/2808-126-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-123-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-120-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-138-0x0000000002F40000-0x0000000002F84000-memory.dmp

Filesize
272KB

Download
memory/2808-139-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-140-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-141-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-142-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-143-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-144-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-145-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-146-0x0000000000950000-0x0000000000C6F000-memory.dmp

Filesize
3.1MB

Download
memory/2808-147-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-148-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-149-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-151-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-116-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-127-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-118-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-115-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-155-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-156-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-157-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-158-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-159-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-160-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-161-0x0000000000951000-0x0000000000953000-memory.dmp

Filesize
8KB

Download
memory/2808-162-0x0000000000951000-0x0000000000953000-memory.dmp

Filesize
8KB

Download
memory/2808-152-0x0000000000950000-0x0000000000C6F000-memory.dmp

Filesize
3.1MB

Download
memory/2808-164-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/2808-170-0x0000000000950000-0x0000000000C6F000-memory.dmp

Filesize
3.1MB

Download
memory/2808-185-0x0000000000950000-0x0000000000C6F000-memory.dmp

Filesize
3.1MB

Download
memory/2808-186-0x0000000002F40000-0x0000000002F84000-memory.dmp

Filesize
272KB

Download
memory/2808-154-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4072-251-0x0000000000A10000-0x0000000000D2F000-memory.dmp

Filesize
3.1MB

Download
memory/4072-254-0x0000000000990000-0x00000000009D4000-memory.dmp

Filesize
272KB

Download
memory/4072-253-0x0000000000A10000-0x0000000000D2F000-memory.dmp

Filesize
3.1MB

Download
memory/4072-252-0x0000000000990000-0x00000000009D4000-memory.dmp

Filesize
272KB

Download
memory/4764-172-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-180-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-173-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-174-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-175-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-166-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-176-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-171-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-179-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-177-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-178-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-169-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-168-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-167-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-181-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-182-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-183-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download
memory/4764-184-0x0000000077960000-0x0000000077AEE000-memory.dmp

Filesize
1.6MB

Download