50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436

Analysis

max time kernel
76s
max time network
60s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
02/10/2022, 16:50

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General

Target

50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
Size

1.8MB
MD5

9a84c9b7e32062266a47c5816f90b0c8
SHA1

68275e515a7065369192cfb096ba57158de3642c
SHA256

50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436
SHA512

31e55193f4d1b65ac4fe7024de810c2b9b3f2bb866e260e36274fa3569dcaa2792c27865db290964eb1c6e1ee014fc4f63727050f4fb1d204a99b51fcf800757
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__	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4104	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	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
4104	oobeldr.exe
4104	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
1480	schtasks.exe
4140	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
4104	oobeldr.exe
4104	oobeldr.exe
4104	oobeldr.exe
4104	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2752 wrote to memory of 1480	2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe	66
PID 2752 wrote to memory of 1480	2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe	66
PID 2752 wrote to memory of 1480	2752	50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe	66
PID 4104 wrote to memory of 4140	4104	oobeldr.exe	69
PID 4104 wrote to memory of 4140	4104	oobeldr.exe	69
PID 4104 wrote to memory of 4140	4104	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.exe
"C:\Users\Admin\AppData\Local\Temp\50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436.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:2752
- 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:1480

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:4104
- 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:4140

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
9a84c9b7e32062266a47c5816f90b0c8

SHA1
68275e515a7065369192cfb096ba57158de3642c

SHA256
50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436

SHA512
31e55193f4d1b65ac4fe7024de810c2b9b3f2bb866e260e36274fa3569dcaa2792c27865db290964eb1c6e1ee014fc4f63727050f4fb1d204a99b51fcf800757

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

Filesize
1.8MB

MD5
9a84c9b7e32062266a47c5816f90b0c8

SHA1
68275e515a7065369192cfb096ba57158de3642c

SHA256
50986cf7c99253455087af8573c2bb3e4bb34b70f424aed9c6baa7ec433a1436

SHA512
31e55193f4d1b65ac4fe7024de810c2b9b3f2bb866e260e36274fa3569dcaa2792c27865db290964eb1c6e1ee014fc4f63727050f4fb1d204a99b51fcf800757

Download Submit
memory/1480-181-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-188-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-187-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-186-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-185-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-184-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-183-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-182-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-180-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-179-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-178-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-177-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-176-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-175-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-174-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-173-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-172-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/1480-171-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-139-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-141-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-143-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-144-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-145-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-146-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-147-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-148-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-149-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-150-0x00000000031F0000-0x0000000003234000-memory.dmp

Filesize
272KB

Download
memory/2752-151-0x0000000000C00000-0x0000000000F1F000-memory.dmp

Filesize
3.1MB

Download
memory/2752-152-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-153-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-154-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-155-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-156-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-157-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-158-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-160-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-159-0x0000000000C00000-0x0000000000F1F000-memory.dmp

Filesize
3.1MB

Download
memory/2752-161-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-162-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-163-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-164-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-165-0x0000000000C00000-0x0000000000F1F000-memory.dmp

Filesize
3.1MB

Download
memory/2752-166-0x0000000000C01000-0x0000000000C03000-memory.dmp

Filesize
8KB

Download
memory/2752-167-0x0000000000C01000-0x0000000000C03000-memory.dmp

Filesize
8KB

Download
memory/2752-168-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-169-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-142-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-140-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-120-0x0000000000C00000-0x0000000000F1F000-memory.dmp

Filesize
3.1MB

Download
memory/2752-138-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-137-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-136-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-135-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-134-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-133-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-132-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-131-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-130-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-129-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-128-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-127-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-126-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-125-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-124-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-122-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-189-0x0000000000C00000-0x0000000000F1F000-memory.dmp

Filesize
3.1MB

Download
memory/2752-190-0x00000000031F0000-0x0000000003234000-memory.dmp

Filesize
272KB

Download
memory/2752-123-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/2752-121-0x00000000772C0000-0x000000007744E000-memory.dmp

Filesize
1.6MB

Download
memory/4104-249-0x0000000000FA0000-0x00000000012BF000-memory.dmp

Filesize
3.1MB

Download
memory/4104-251-0x0000000000B90000-0x0000000000CDA000-memory.dmp

Filesize
1.3MB

Download
memory/4104-257-0x0000000000FA0000-0x00000000012BF000-memory.dmp

Filesize
3.1MB

Download
memory/4104-258-0x0000000000B90000-0x0000000000CDA000-memory.dmp

Filesize
1.3MB

Download