681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089

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
16/09/2022, 20:37

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General

Target

681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
Size

1.8MB
MD5

ef30f92ce3876aae52f65ba372752e50
SHA1

a69c199cac35440e97f1749526c2fdb110d67176
SHA256

681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089
SHA512

1ac28593b4c98d5e1c8205afa7dfba33955afb9ca914f2051ac0f0dd509c585e64871207f8eb7b2946ee3f9fc1ed14545333ce8e9a6803fb4556a515c6df9242
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__	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
3676	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\VideoBiosVersion	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.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	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.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	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
3676	oobeldr.exe
3676	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
4520	schtasks.exe
5048	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
3676	oobeldr.exe
3676	oobeldr.exe
3676	oobeldr.exe
3676	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 5048	3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe	66
PID 3828 wrote to memory of 5048	3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe	66
PID 3828 wrote to memory of 5048	3828	681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe	66
PID 3676 wrote to memory of 4520	3676	oobeldr.exe	69
PID 3676 wrote to memory of 4520	3676	oobeldr.exe	69
PID 3676 wrote to memory of 4520	3676	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.exe
"C:\Users\Admin\AppData\Local\Temp\681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089.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:3828
- 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:5048

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:3676
- 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:4520

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
ef30f92ce3876aae52f65ba372752e50

SHA1
a69c199cac35440e97f1749526c2fdb110d67176

SHA256
681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089

SHA512
1ac28593b4c98d5e1c8205afa7dfba33955afb9ca914f2051ac0f0dd509c585e64871207f8eb7b2946ee3f9fc1ed14545333ce8e9a6803fb4556a515c6df9242

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

Filesize
1.8MB

MD5
ef30f92ce3876aae52f65ba372752e50

SHA1
a69c199cac35440e97f1749526c2fdb110d67176

SHA256
681085a7bf4faed3fe128305f9d5d43a89633db3506d0bf45377ea79772a4089

SHA512
1ac28593b4c98d5e1c8205afa7dfba33955afb9ca914f2051ac0f0dd509c585e64871207f8eb7b2946ee3f9fc1ed14545333ce8e9a6803fb4556a515c6df9242

Download Submit
memory/3676-229-0x0000000000C50000-0x0000000000F6F000-memory.dmp

Filesize
3.1MB

Download
memory/3676-255-0x0000000002F80000-0x0000000002FC4000-memory.dmp

Filesize
272KB

Download
memory/3676-254-0x0000000000C50000-0x0000000000F6F000-memory.dmp

Filesize
3.1MB

Download
memory/3676-235-0x0000000002F80000-0x0000000002FC4000-memory.dmp

Filesize
272KB

Download
memory/3676-237-0x0000000000C50000-0x0000000000F6F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-151-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-157-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-122-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-123-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-124-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-126-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-127-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-129-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-154-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-130-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-132-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-133-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-134-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-135-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-131-0x0000000000C30000-0x0000000000F4F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-136-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-137-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-138-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-125-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-139-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-140-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-141-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-142-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-143-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-144-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-156-0x0000000000C30000-0x0000000000F4F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-146-0x0000000003060000-0x00000000030A4000-memory.dmp

Filesize
272KB

Download
memory/3828-147-0x0000000000C30000-0x0000000000F4F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-148-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-149-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-150-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-120-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-152-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-153-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-128-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-121-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-145-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-155-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-158-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-159-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-160-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-161-0x0000000000C30000-0x0000000000F4F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-162-0x0000000000C31000-0x0000000000C33000-memory.dmp

Filesize
8KB

Download
memory/3828-163-0x0000000000C31000-0x0000000000C33000-memory.dmp

Filesize
8KB

Download
memory/3828-164-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-165-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-185-0x0000000000C30000-0x0000000000F4F000-memory.dmp

Filesize
3.1MB

Download
memory/3828-186-0x0000000003060000-0x00000000030A4000-memory.dmp

Filesize
272KB

Download
memory/3828-116-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-117-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-118-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/3828-119-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-175-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-179-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-173-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-171-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-169-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-176-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-177-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-178-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-172-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-170-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-174-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-168-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-167-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-180-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-181-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-182-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-183-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download
memory/5048-184-0x0000000077440000-0x00000000775CE000-memory.dmp

Filesize
1.6MB

Download