6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55

Analysis

max time kernel
50s
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
07-09-2022 22:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
Size

1.8MB
MD5

45fd0ac9ed803218d1e6886c7b5607bf
SHA1

390aaaa3504a2fe8569177c5342440276ec28568
SHA256

6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55
SHA512

16da04eddfe59e307f4369011e773d20235139a48680e7c64a7651a7e15fe50fe408663e0bf04b97bc97a64f30f1a2605ce642ed0656b560162ee4e548578a7d
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__	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4976	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	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.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	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
4976	oobeldr.exe
4976	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
2044	schtasks.exe
3172	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
4976	oobeldr.exe
4976	oobeldr.exe
4976	oobeldr.exe
4976	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 2044	3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe	66
PID 3512 wrote to memory of 2044	3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe	66
PID 3512 wrote to memory of 2044	3512	6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe	66
PID 4976 wrote to memory of 3172	4976	oobeldr.exe	69
PID 4976 wrote to memory of 3172	4976	oobeldr.exe	69
PID 4976 wrote to memory of 3172	4976	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.exe
"C:\Users\Admin\AppData\Local\Temp\6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55.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:3512
- 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:2044

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:4976
- 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:3172

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

Loading Replay Monitor...

Downloads

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

Filesize
1.8MB

MD5
45fd0ac9ed803218d1e6886c7b5607bf

SHA1
390aaaa3504a2fe8569177c5342440276ec28568

SHA256
6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55

SHA512
16da04eddfe59e307f4369011e773d20235139a48680e7c64a7651a7e15fe50fe408663e0bf04b97bc97a64f30f1a2605ce642ed0656b560162ee4e548578a7d

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

Filesize
1.8MB

MD5
45fd0ac9ed803218d1e6886c7b5607bf

SHA1
390aaaa3504a2fe8569177c5342440276ec28568

SHA256
6b4eb8245c20194e48d7df9cff7ceab38fcdb2fdb5267db0a473b8639a858f55

SHA512
16da04eddfe59e307f4369011e773d20235139a48680e7c64a7651a7e15fe50fe408663e0bf04b97bc97a64f30f1a2605ce642ed0656b560162ee4e548578a7d

Download Submit
memory/2044-180-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-179-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-186-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-185-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-184-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-183-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-182-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-181-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-167-0x0000000000000000-mapping.dmp

Download
memory/2044-169-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-178-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-177-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-176-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-174-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-175-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-173-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-172-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-171-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/2044-170-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3172-234-0x0000000000000000-mapping.dmp

Download
memory/3512-137-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-138-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-141-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-142-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-143-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-144-0x0000000000CA0000-0x0000000000CE4000-memory.dmp

Filesize
272KB

Download
memory/3512-145-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-146-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-147-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-148-0x0000000000D20000-0x000000000103F000-memory.dmp

Filesize
3.1MB

Download
memory/3512-149-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-150-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-151-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-152-0x0000000000D20000-0x000000000103F000-memory.dmp

Filesize
3.1MB

Download
memory/3512-154-0x0000000000D20000-0x000000000103F000-memory.dmp

Filesize
3.1MB

Download
memory/3512-153-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-155-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-156-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-157-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-158-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-159-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-160-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-161-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-162-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-163-0x0000000000D21000-0x0000000000D23000-memory.dmp

Filesize
8KB

Download
memory/3512-164-0x0000000000D21000-0x0000000000D23000-memory.dmp

Filesize
8KB

Download
memory/3512-165-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-166-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-139-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-140-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-168-0x0000000000D20000-0x000000000103F000-memory.dmp

Filesize
3.1MB

Download
memory/3512-117-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-136-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-131-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-135-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-134-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-133-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-132-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-130-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-126-0x0000000000D20000-0x000000000103F000-memory.dmp

Filesize
3.1MB

Download
memory/3512-129-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-128-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-127-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-125-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-124-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-123-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-122-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-121-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-187-0x0000000000D20000-0x000000000103F000-memory.dmp

Filesize
3.1MB

Download
memory/3512-188-0x0000000000CA0000-0x0000000000CE4000-memory.dmp

Filesize
272KB

Download
memory/3512-120-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-119-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/3512-118-0x0000000077B00000-0x0000000077C8E000-memory.dmp

Filesize
1.6MB

Download
memory/4976-237-0x0000000000110000-0x000000000042F000-memory.dmp

Filesize
3.1MB

Download
memory/4976-238-0x0000000002AF0000-0x0000000002B34000-memory.dmp

Filesize
272KB

Download
memory/4976-239-0x0000000000110000-0x000000000042F000-memory.dmp

Filesize
3.1MB

Download
memory/4976-256-0x0000000000110000-0x000000000042F000-memory.dmp

Filesize
3.1MB

Download
memory/4976-257-0x0000000002AF0000-0x0000000002B34000-memory.dmp

Filesize
272KB

Download