fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34

Analysis

max time kernel
54s
max time network
74s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
25-09-2022 03:53

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General

Target

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
Size

1.8MB
MD5

3471689db6efeea777cce79294589467
SHA1

b3ebf6c3cb4c2c4621451d112819789aa7615fcd
SHA256

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34
SHA512

810ff7976121f333f8ce02030f8766980455e1a26d9d09701f2728a3bccb80ecec944da82ef5e3046bdaa47d8248099dc6512ed7abe34137d076f10527f21fc6
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:

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

5116 oobeldr.exe

pid	process
5116	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:

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.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

Processes:

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exeoobeldr.exe

pid	process
3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
5116	oobeldr.exe
5116	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

2168 schtasks.exe
4956 schtasks.exe

pid	process
2168	schtasks.exe
4956	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exeoobeldr.exe

pid	process
3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
5116	oobeldr.exe
5116	oobeldr.exe
5116	oobeldr.exe
5116	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exeoobeldr.exe

description	pid	process	target process
PID 3528 wrote to memory of 2168	3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe	schtasks.exe
PID 3528 wrote to memory of 2168	3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe	schtasks.exe
PID 3528 wrote to memory of 2168	3528	fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe	schtasks.exe
PID 5116 wrote to memory of 4956	5116	oobeldr.exe	schtasks.exe
PID 5116 wrote to memory of 4956	5116	oobeldr.exe	schtasks.exe
PID 5116 wrote to memory of 4956	5116	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.exe
"C:\Users\Admin\AppData\Local\Temp\fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34.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:3528

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:2168

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:5116

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:4956

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
3471689db6efeea777cce79294589467

SHA1
b3ebf6c3cb4c2c4621451d112819789aa7615fcd

SHA256
fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34

SHA512
810ff7976121f333f8ce02030f8766980455e1a26d9d09701f2728a3bccb80ecec944da82ef5e3046bdaa47d8248099dc6512ed7abe34137d076f10527f21fc6

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

MD5
3471689db6efeea777cce79294589467

SHA1
b3ebf6c3cb4c2c4621451d112819789aa7615fcd

SHA256
fe5fbfedbf7fee61617678a88c21c6dd124741de318b33634a34516cb53c9a34

SHA512
810ff7976121f333f8ce02030f8766980455e1a26d9d09701f2728a3bccb80ecec944da82ef5e3046bdaa47d8248099dc6512ed7abe34137d076f10527f21fc6

Download Submit
memory/2168-179-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-186-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-185-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-184-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-183-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-182-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-181-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-180-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-167-0x0000000000000000-mapping.dmp

Download
memory/2168-178-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-177-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-176-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-175-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-174-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-173-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-172-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-171-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-169-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2168-168-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-137-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-138-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-141-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-142-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-144-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-143-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-145-0x0000000000F90000-0x0000000000FD4000-memory.dmp

Filesize
272KB

Download
memory/3528-146-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-147-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-148-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-150-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-151-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-149-0x0000000000B20000-0x0000000000E3F000-memory.dmp

Filesize
3.1MB

Download
memory/3528-152-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-153-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-154-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-156-0x0000000000B20000-0x0000000000E3F000-memory.dmp

Filesize
3.1MB

Download
memory/3528-155-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-157-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-158-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-159-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-160-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-161-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-162-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-163-0x0000000000B21000-0x0000000000B23000-memory.dmp

Filesize
8KB

Download
memory/3528-164-0x0000000000B21000-0x0000000000B23000-memory.dmp

Filesize
8KB

Download
memory/3528-165-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-166-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-139-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-140-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-118-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-170-0x0000000000B20000-0x0000000000E3F000-memory.dmp

Filesize
3.1MB

Download
memory/3528-136-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-133-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-134-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-135-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-132-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-131-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-130-0x0000000000B20000-0x0000000000E3F000-memory.dmp

Filesize
3.1MB

Download
memory/3528-129-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-128-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-127-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-126-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-125-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-124-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-123-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-122-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-121-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-188-0x0000000000F90000-0x0000000000FD4000-memory.dmp

Filesize
272KB

Download
memory/3528-187-0x0000000000B20000-0x0000000000E3F000-memory.dmp

Filesize
3.1MB

Download
memory/3528-120-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/3528-119-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4956-234-0x0000000000000000-mapping.dmp

Download
memory/5116-253-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/5116-254-0x0000000000800000-0x000000000094A000-memory.dmp

Filesize
1.3MB

Download
memory/5116-255-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/5116-256-0x0000000000D80000-0x000000000109F000-memory.dmp

Filesize
3.1MB

Download
memory/5116-257-0x0000000000800000-0x000000000094A000-memory.dmp

Filesize
1.3MB

Download