bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41

Analysis

max time kernel
78s
max time network
53s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
24-09-2022 12:38

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General

Target

bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
Size

1.8MB
MD5

8f65f6d762bfd9649694511a2eb14506
SHA1

966c272441eae5c8b3f91282b5066fed07f694b1
SHA256

bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41
SHA512

8f6c82bff11d700bbe8942c383b85c0d2f1ea4497a75630f1d93734c920b8010b78164d3ba27d9ea7b62f0a1ffcbd00692cf49fc6a804ff29486fdc245dd2181
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__	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
2004	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	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.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	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
2004	oobeldr.exe
2004	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
4376	schtasks.exe
4908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
2004	oobeldr.exe
2004	oobeldr.exe
2004	oobeldr.exe
2004	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 4376	1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe	66
PID 1928 wrote to memory of 4376	1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe	66
PID 1928 wrote to memory of 4376	1928	bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe	66
PID 2004 wrote to memory of 4908	2004	oobeldr.exe	69
PID 2004 wrote to memory of 4908	2004	oobeldr.exe	69
PID 2004 wrote to memory of 4908	2004	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.exe
"C:\Users\Admin\AppData\Local\Temp\bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41.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:1928
- 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:4376

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:2004
- 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:4908

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
8f65f6d762bfd9649694511a2eb14506

SHA1
966c272441eae5c8b3f91282b5066fed07f694b1

SHA256
bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41

SHA512
8f6c82bff11d700bbe8942c383b85c0d2f1ea4497a75630f1d93734c920b8010b78164d3ba27d9ea7b62f0a1ffcbd00692cf49fc6a804ff29486fdc245dd2181

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

Filesize
1.8MB

MD5
8f65f6d762bfd9649694511a2eb14506

SHA1
966c272441eae5c8b3f91282b5066fed07f694b1

SHA256
bc67cf17d5da7aeee744e165ee2fb777512f4eb048528f90e66c06bfd26d8d41

SHA512
8f6c82bff11d700bbe8942c383b85c0d2f1ea4497a75630f1d93734c920b8010b78164d3ba27d9ea7b62f0a1ffcbd00692cf49fc6a804ff29486fdc245dd2181

Download Submit
memory/1928-158-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-120-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-122-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-123-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-124-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-125-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-126-0x0000000001320000-0x000000000163F000-memory.dmp

Filesize
3.1MB

Download
memory/1928-127-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-128-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-129-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-130-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-131-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-132-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-133-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-134-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-135-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-136-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-137-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-138-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-139-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-140-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-141-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-142-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-143-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-144-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-145-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-146-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-147-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-148-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-149-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-150-0x0000000001320000-0x000000000163F000-memory.dmp

Filesize
3.1MB

Download
memory/1928-151-0x0000000002C50000-0x0000000002C94000-memory.dmp

Filesize
272KB

Download
memory/1928-152-0x0000000001320000-0x000000000163F000-memory.dmp

Filesize
3.1MB

Download
memory/1928-153-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-154-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-155-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-156-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-157-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-164-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-159-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-121-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-161-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-162-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-163-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-160-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-165-0x0000000001320000-0x000000000163F000-memory.dmp

Filesize
3.1MB

Download
memory/1928-166-0x0000000001321000-0x0000000001323000-memory.dmp

Filesize
8KB

Download
memory/1928-167-0x0000000001321000-0x0000000001323000-memory.dmp

Filesize
8KB

Download
memory/1928-168-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-169-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/1928-189-0x0000000001320000-0x000000000163F000-memory.dmp

Filesize
3.1MB

Download
memory/1928-190-0x0000000002C50000-0x0000000002C94000-memory.dmp

Filesize
272KB

Download
memory/2004-234-0x0000000002750000-0x0000000002794000-memory.dmp

Filesize
272KB

Download
memory/2004-262-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/2004-261-0x0000000002750000-0x0000000002794000-memory.dmp

Filesize
272KB

Download
memory/2004-260-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/2004-244-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/2004-243-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/2004-235-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/2004-193-0x0000000000820000-0x0000000000B3F000-memory.dmp

Filesize
3.1MB

Download
memory/4376-172-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-181-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-177-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-180-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-183-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-176-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-179-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-175-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-178-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-185-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-186-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-187-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-188-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-182-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-174-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-173-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-184-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download
memory/4376-171-0x0000000077D70000-0x0000000077EFE000-memory.dmp

Filesize
1.6MB

Download