b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98

Analysis

max time kernel
52s
max time network
55s
platform
windows10-1703_x64
resource
win10-20220722-en
resource tags

arch:x64arch:x86image:win10-20220722-enlocale:en-usos:windows10-1703-x64system
submitted
09-08-2022 05:27

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General

Target

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
Size

1.8MB
MD5

2d6de08a2e114be301be2c3ca6029366
SHA1

5a7eb1f7670fb02608b6e501c7a520d7a0299252
SHA256

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98
SHA512

6b36520b23639e268c542581c376c64b5eccd750918cbbe5d3822715f0702138bf94118259fb6ab554c4f3d1b7c5ad4a0bb0af06ceee7f6e1bc5c9b3f09d9c6a

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:

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

2968 oobeldr.exe

pid	process
2968	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:

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.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:

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exeoobeldr.exe

pid	process
2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
2968	oobeldr.exe
2968	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

1508 schtasks.exe
2864 schtasks.exe

pid	process
1508	schtasks.exe
2864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exeoobeldr.exe

pid	process
2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
2968	oobeldr.exe
2968	oobeldr.exe
2968	oobeldr.exe
2968	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exeoobeldr.exe

description	pid	process	target process
PID 2764 wrote to memory of 1508	2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe	schtasks.exe
PID 2764 wrote to memory of 1508	2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe	schtasks.exe
PID 2764 wrote to memory of 1508	2764	b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe	schtasks.exe
PID 2968 wrote to memory of 2864	2968	oobeldr.exe	schtasks.exe
PID 2968 wrote to memory of 2864	2968	oobeldr.exe	schtasks.exe
PID 2968 wrote to memory of 2864	2968	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.exe
"C:\Users\Admin\AppData\Local\Temp\b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98.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:2764

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:1508

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:2968

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:2864

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
2d6de08a2e114be301be2c3ca6029366

SHA1
5a7eb1f7670fb02608b6e501c7a520d7a0299252

SHA256
b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98

SHA512
6b36520b23639e268c542581c376c64b5eccd750918cbbe5d3822715f0702138bf94118259fb6ab554c4f3d1b7c5ad4a0bb0af06ceee7f6e1bc5c9b3f09d9c6a

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

MD5
2d6de08a2e114be301be2c3ca6029366

SHA1
5a7eb1f7670fb02608b6e501c7a520d7a0299252

SHA256
b0c8932726e7ae5e6f85b078f19980c4e2e5834e9446ff74e73a5b435b0def98

SHA512
6b36520b23639e268c542581c376c64b5eccd750918cbbe5d3822715f0702138bf94118259fb6ab554c4f3d1b7c5ad4a0bb0af06ceee7f6e1bc5c9b3f09d9c6a

Download Submit
memory/1508-188-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-196-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-195-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-194-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-193-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-192-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-191-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-190-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-178-0x0000000000000000-mapping.dmp

Download
memory/1508-189-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-186-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-187-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-185-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-184-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-183-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-182-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-181-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-180-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/1508-179-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-147-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-177-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-150-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-151-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-152-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-154-0x0000000000E80000-0x0000000000EC4000-memory.dmp

Filesize
272KB

Download
memory/2764-153-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-155-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-156-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-157-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-158-0x00000000011E0000-0x00000000014FF000-memory.dmp

Filesize
3.1MB

Download
memory/2764-159-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-160-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-161-0x00000000011E0000-0x00000000014FF000-memory.dmp

Filesize
3.1MB

Download
memory/2764-163-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-162-0x00000000011E0000-0x00000000014FF000-memory.dmp

Filesize
3.1MB

Download
memory/2764-164-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-165-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-166-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-167-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-168-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-169-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-170-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-171-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-172-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-173-0x00000000011E0000-0x00000000014FF000-memory.dmp

Filesize
3.1MB

Download
memory/2764-174-0x00000000011E1000-0x00000000011E3000-memory.dmp

Filesize
8KB

Download
memory/2764-175-0x00000000011E1000-0x00000000011E3000-memory.dmp

Filesize
8KB

Download
memory/2764-176-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-149-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-148-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-127-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-146-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-145-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-143-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-144-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-142-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-141-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-140-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-139-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-138-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-137-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-136-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-135-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-134-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-133-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-132-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-130-0x00000000011E0000-0x00000000014FF000-memory.dmp

Filesize
3.1MB

Download
memory/2764-131-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-197-0x00000000011E0000-0x00000000014FF000-memory.dmp

Filesize
3.1MB

Download
memory/2764-198-0x0000000000E80000-0x0000000000EC4000-memory.dmp

Filesize
272KB

Download
memory/2764-129-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2764-128-0x0000000077630000-0x00000000777BE000-memory.dmp

Filesize
1.6MB

Download
memory/2864-247-0x0000000000000000-mapping.dmp

Download
memory/2968-211-0x0000000000260000-0x000000000057F000-memory.dmp

Filesize
3.1MB

Download
memory/2968-243-0x0000000000D90000-0x0000000000DD4000-memory.dmp

Filesize
272KB

Download
memory/2968-244-0x0000000000260000-0x000000000057F000-memory.dmp

Filesize
3.1MB

Download
memory/2968-266-0x0000000000260000-0x000000000057F000-memory.dmp

Filesize
3.1MB

Download
memory/2968-267-0x0000000000D90000-0x0000000000DD4000-memory.dmp

Filesize
272KB

Download
memory/2968-268-0x0000000000260000-0x000000000057F000-memory.dmp

Filesize
3.1MB

Download