fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d

Analysis

max time kernel
51s
max time network
63s
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, 05:24

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General

Target

fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
Size

1.8MB
MD5

70d1a5e225c9af7d81239c9d87d1de87
SHA1

ae74458f212b8cd2bce54a2795b6aefeb179515c
SHA256

fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d
SHA512

eaa92caf707381480e6c561ba28bd98ef2649deda6e7c0f012b3cf315eca9c2e4ae600460574e89f4a624c11c38fa4fbf953cb3a43843bc1b24cfe83a38fc678
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__	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4080	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	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.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	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
4080	oobeldr.exe
4080	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
3456	schtasks.exe
4828	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
4080	oobeldr.exe
4080	oobeldr.exe
4080	oobeldr.exe
4080	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 3456	1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe	66
PID 1760 wrote to memory of 3456	1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe	66
PID 1760 wrote to memory of 3456	1760	fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe	66
PID 4080 wrote to memory of 4828	4080	oobeldr.exe	69
PID 4080 wrote to memory of 4828	4080	oobeldr.exe	69
PID 4080 wrote to memory of 4828	4080	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.exe
"C:\Users\Admin\AppData\Local\Temp\fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d.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:1760
- 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:3456

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:4080
- 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:4828

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
70d1a5e225c9af7d81239c9d87d1de87

SHA1
ae74458f212b8cd2bce54a2795b6aefeb179515c

SHA256
fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d

SHA512
eaa92caf707381480e6c561ba28bd98ef2649deda6e7c0f012b3cf315eca9c2e4ae600460574e89f4a624c11c38fa4fbf953cb3a43843bc1b24cfe83a38fc678

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

Filesize
1.8MB

MD5
70d1a5e225c9af7d81239c9d87d1de87

SHA1
ae74458f212b8cd2bce54a2795b6aefeb179515c

SHA256
fb9fa77ae7e6b1efb9db5429c7df447a5eb0cecfe8503a46b7a78aa9353a411d

SHA512
eaa92caf707381480e6c561ba28bd98ef2649deda6e7c0f012b3cf315eca9c2e4ae600460574e89f4a624c11c38fa4fbf953cb3a43843bc1b24cfe83a38fc678

Download Submit
memory/1760-155-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-161-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-119-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-120-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/1760-121-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-122-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-157-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-124-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-125-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-126-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-127-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-128-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-129-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-130-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-117-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-132-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-133-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-134-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-135-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-136-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-137-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-138-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-139-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-140-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-141-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-142-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-143-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-145-0x0000000002630000-0x0000000002674000-memory.dmp

Filesize
272KB

Download
memory/1760-144-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-146-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-147-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-148-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/1760-149-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-150-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-151-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-152-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-153-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/1760-154-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-131-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-118-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-123-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-158-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-159-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-160-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-156-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-162-0x0000000000971000-0x0000000000973000-memory.dmp

Filesize
8KB

Download
memory/1760-163-0x0000000000971000-0x0000000000973000-memory.dmp

Filesize
8KB

Download
memory/1760-164-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-165-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/1760-167-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/1760-186-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/1760-187-0x0000000002630000-0x0000000002674000-memory.dmp

Filesize
272KB

Download
memory/3456-185-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-176-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-169-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-170-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-171-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-172-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-174-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-173-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-175-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-177-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-180-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-168-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-179-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-178-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-182-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-183-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-184-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/3456-181-0x0000000077850000-0x00000000779DE000-memory.dmp

Filesize
1.6MB

Download
memory/4080-255-0x0000000001240000-0x000000000155F000-memory.dmp

Filesize
3.1MB

Download
memory/4080-249-0x00000000016A0000-0x00000000016E4000-memory.dmp

Filesize
272KB

Download
memory/4080-253-0x0000000001240000-0x000000000155F000-memory.dmp

Filesize
3.1MB

Download
memory/4080-212-0x0000000001240000-0x000000000155F000-memory.dmp

Filesize
3.1MB

Download
memory/4080-256-0x00000000016A0000-0x00000000016E4000-memory.dmp

Filesize
272KB

Download
memory/4080-257-0x0000000001240000-0x000000000155F000-memory.dmp

Filesize
3.1MB

Download