542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947

Analysis

max time kernel
50s
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
03-10-2022 06:21

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General

Target

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
Size

1.8MB
MD5

2f3d9af858d7fcf8cd6cd2f2739ea8cb
SHA1

bcce478094cdcea3cc31d460a4381524113a87d5
SHA256

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947
SHA512

626ac19c5192b30c41475bed1faaa8600db6b9c1312c93cdb6536d474d07ee3c760053b8ebd643752e2359873dc5aeeb954f92f9df64b64e69bed9b7bfbc91ad
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:

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

4600 oobeldr.exe

pid	process
4600	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:

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exeoobeldr.exe

pid	process
2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
4600	oobeldr.exe
4600	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

3636 schtasks.exe
812 schtasks.exe

pid	process
3636	schtasks.exe
812	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exeoobeldr.exe

pid	process
2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
4600	oobeldr.exe
4600	oobeldr.exe
4600	oobeldr.exe
4600	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exeoobeldr.exe

description	pid	process	target process
PID 2660 wrote to memory of 3636	2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe	schtasks.exe
PID 2660 wrote to memory of 3636	2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe	schtasks.exe
PID 2660 wrote to memory of 3636	2660	542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe	schtasks.exe
PID 4600 wrote to memory of 812	4600	oobeldr.exe	schtasks.exe
PID 4600 wrote to memory of 812	4600	oobeldr.exe	schtasks.exe
PID 4600 wrote to memory of 812	4600	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.exe
"C:\Users\Admin\AppData\Local\Temp\542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947.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:2660

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:3636

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:4600

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:812

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
2f3d9af858d7fcf8cd6cd2f2739ea8cb

SHA1
bcce478094cdcea3cc31d460a4381524113a87d5

SHA256
542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947

SHA512
626ac19c5192b30c41475bed1faaa8600db6b9c1312c93cdb6536d474d07ee3c760053b8ebd643752e2359873dc5aeeb954f92f9df64b64e69bed9b7bfbc91ad

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

MD5
2f3d9af858d7fcf8cd6cd2f2739ea8cb

SHA1
bcce478094cdcea3cc31d460a4381524113a87d5

SHA256
542df6c6398bb88f514801773847057d2d492a52e2ea97836704f073c5a4b947

SHA512
626ac19c5192b30c41475bed1faaa8600db6b9c1312c93cdb6536d474d07ee3c760053b8ebd643752e2359873dc5aeeb954f92f9df64b64e69bed9b7bfbc91ad

Download Submit
memory/812-239-0x0000000000000000-mapping.dmp

Download
memory/2660-120-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-122-0x0000000000DE0000-0x00000000010FF000-memory.dmp

Filesize
3.1MB

Download
memory/2660-121-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-123-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-124-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-125-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-126-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-127-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-128-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-129-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-130-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-131-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-132-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-133-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-134-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-135-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-136-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-137-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-138-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-139-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-140-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-141-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-142-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-143-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-144-0x0000000001100000-0x00000000011AE000-memory.dmp

Filesize
696KB

Download
memory/2660-145-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-146-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-147-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-148-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-149-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-150-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-151-0x0000000000DE0000-0x00000000010FF000-memory.dmp

Filesize
3.1MB

Download
memory/2660-152-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-153-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-154-0x0000000000DE0000-0x00000000010FF000-memory.dmp

Filesize
3.1MB

Download
memory/2660-155-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-156-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-157-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-158-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-159-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-160-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-161-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-162-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-163-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-164-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-165-0x0000000000DE1000-0x0000000000DE3000-memory.dmp

Filesize
8KB

Download
memory/2660-166-0x0000000000DE1000-0x0000000000DE3000-memory.dmp

Filesize
8KB

Download
memory/2660-167-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-168-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/2660-169-0x0000000000DE0000-0x00000000010FF000-memory.dmp

Filesize
3.1MB

Download
memory/2660-170-0x0000000000DE0000-0x00000000010FF000-memory.dmp

Filesize
3.1MB

Download
memory/2660-190-0x0000000000DE0000-0x00000000010FF000-memory.dmp

Filesize
3.1MB

Download
memory/3636-171-0x0000000000000000-mapping.dmp

Download
memory/3636-172-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-173-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-174-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-175-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-176-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-177-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-178-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-179-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-180-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-181-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-182-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-183-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-184-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-185-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-186-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-187-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-188-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/3636-189-0x0000000077730000-0x00000000778BE000-memory.dmp

Filesize
1.6MB

Download
memory/4600-233-0x0000000001040000-0x000000000135F000-memory.dmp

Filesize
3.1MB

Download
memory/4600-234-0x0000000000860000-0x00000000009AA000-memory.dmp

Filesize
1.3MB

Download
memory/4600-235-0x0000000001040000-0x000000000135F000-memory.dmp

Filesize
3.1MB

Download
memory/4600-258-0x0000000001040000-0x000000000135F000-memory.dmp

Filesize
3.1MB

Download
memory/4600-259-0x0000000000860000-0x00000000009AA000-memory.dmp

Filesize
1.3MB

Download