cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556

Analysis

max time kernel
59s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
22/09/2022, 01:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
Size

1.8MB
MD5

b4a029f2769c914cf2128e2c411ab0b8
SHA1

1c919fd3ce72e5d69771497fab45e3376c6ae519
SHA256

cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556
SHA512

4636d031c77dfcf2aeb5b2ff57b6b7fd8253ee92c91632beb7c0ce0e927280d95861e7f3a1806c6a4b9642e57af68cdd50398cd4837add4053f92a59e1a3cb0e
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__	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4936	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	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.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	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
4936	oobeldr.exe
4936	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
5036	schtasks.exe
3216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
4936	oobeldr.exe
4936	oobeldr.exe
4936	oobeldr.exe
4936	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 5036	4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe	66
PID 4800 wrote to memory of 5036	4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe	66
PID 4800 wrote to memory of 5036	4800	cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe	66
PID 4936 wrote to memory of 3216	4936	oobeldr.exe	69
PID 4936 wrote to memory of 3216	4936	oobeldr.exe	69
PID 4936 wrote to memory of 3216	4936	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.exe
"C:\Users\Admin\AppData\Local\Temp\cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556.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:4800
- 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:5036

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:4936
- 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:3216

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
b4a029f2769c914cf2128e2c411ab0b8

SHA1
1c919fd3ce72e5d69771497fab45e3376c6ae519

SHA256
cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556

SHA512
4636d031c77dfcf2aeb5b2ff57b6b7fd8253ee92c91632beb7c0ce0e927280d95861e7f3a1806c6a4b9642e57af68cdd50398cd4837add4053f92a59e1a3cb0e

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

Filesize
1.8MB

MD5
b4a029f2769c914cf2128e2c411ab0b8

SHA1
1c919fd3ce72e5d69771497fab45e3376c6ae519

SHA256
cf881621990f90ae26e01b8f039c75627d999c48ae9910a26b16f1fcbe410556

SHA512
4636d031c77dfcf2aeb5b2ff57b6b7fd8253ee92c91632beb7c0ce0e927280d95861e7f3a1806c6a4b9642e57af68cdd50398cd4837add4053f92a59e1a3cb0e

Download Submit
memory/4800-157-0x0000000000170000-0x000000000048F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-165-0x0000000000171000-0x0000000000173000-memory.dmp

Filesize
8KB

Download
memory/4800-123-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-124-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-125-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-126-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-161-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-128-0x0000000000170000-0x000000000048F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-129-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-130-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-131-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-132-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-133-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-134-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-159-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-136-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-137-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-138-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-139-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-140-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-141-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-142-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-143-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-144-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-145-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-146-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-147-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-148-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-149-0x0000000002750000-0x0000000002794000-memory.dmp

Filesize
272KB

Download
memory/4800-150-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-151-0x0000000000170000-0x000000000048F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-152-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-153-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-154-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-155-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-156-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-158-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-121-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-135-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-122-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-127-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-162-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-163-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-164-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-160-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-166-0x0000000000171000-0x0000000000173000-memory.dmp

Filesize
8KB

Download
memory/4800-167-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-168-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4800-174-0x0000000000170000-0x000000000048F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-189-0x0000000000170000-0x000000000048F000-memory.dmp

Filesize
3.1MB

Download
memory/4800-190-0x0000000002750000-0x0000000002794000-memory.dmp

Filesize
272KB

Download
memory/4800-120-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4936-223-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/4936-261-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/4936-260-0x00000000011C0000-0x000000000130A000-memory.dmp

Filesize
1.3MB

Download
memory/4936-259-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/4936-258-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/4936-228-0x0000000000970000-0x0000000000C8F000-memory.dmp

Filesize
3.1MB

Download
memory/4936-225-0x00000000011C0000-0x000000000130A000-memory.dmp

Filesize
1.3MB

Download
memory/5036-177-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-176-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-180-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-184-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-170-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-186-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-181-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-178-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-182-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-179-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-175-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-173-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-172-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-171-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-185-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-183-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-187-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/5036-188-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download