4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97

Analysis

max time kernel
53s
max time network
148s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
19/09/2022, 15:04

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General

Target

4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
Size

1.8MB
MD5

a964f542e076c2dae797251dfc934f51
SHA1

932077fbe5198af44813a650df923155a83f4324
SHA256

4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97
SHA512

ecc8743796856688edfd16ae3a8ee5b03b745774762e615b0ce07a84df3556f37c9d69e323b5e3cd593d422df61c7493268e254d36b8054a007656357d91a52b
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__	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4900	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	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.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	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
4900	oobeldr.exe
4900	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
1144	schtasks.exe
4132	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
4900	oobeldr.exe
4900	oobeldr.exe
4900	oobeldr.exe
4900	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 1144	4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe	66
PID 4528 wrote to memory of 1144	4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe	66
PID 4528 wrote to memory of 1144	4528	4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe	66
PID 4900 wrote to memory of 4132	4900	oobeldr.exe	69
PID 4900 wrote to memory of 4132	4900	oobeldr.exe	69
PID 4900 wrote to memory of 4132	4900	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.exe
"C:\Users\Admin\AppData\Local\Temp\4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97.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:4528
- 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:1144

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:4900
- 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:4132

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
a964f542e076c2dae797251dfc934f51

SHA1
932077fbe5198af44813a650df923155a83f4324

SHA256
4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97

SHA512
ecc8743796856688edfd16ae3a8ee5b03b745774762e615b0ce07a84df3556f37c9d69e323b5e3cd593d422df61c7493268e254d36b8054a007656357d91a52b

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

Filesize
1.8MB

MD5
a964f542e076c2dae797251dfc934f51

SHA1
932077fbe5198af44813a650df923155a83f4324

SHA256
4219c90248a355a03c70d98be7cd27e7660823dfe2fb2770824ed66c10becf97

SHA512
ecc8743796856688edfd16ae3a8ee5b03b745774762e615b0ce07a84df3556f37c9d69e323b5e3cd593d422df61c7493268e254d36b8054a007656357d91a52b

Download Submit
memory/1144-179-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-182-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-188-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-187-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-186-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-185-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-184-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-183-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-171-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-181-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-180-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-178-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-177-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-176-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-175-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-174-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-173-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/1144-172-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-140-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-141-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-144-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-146-0x0000000001520000-0x0000000001564000-memory.dmp

Filesize
272KB

Download
memory/4528-145-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-147-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-148-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-149-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-150-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-151-0x0000000001060000-0x000000000137F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-152-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-153-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-154-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-155-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-156-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-157-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-158-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-159-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-161-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-160-0x0000000001060000-0x000000000137F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-162-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-163-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-164-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-165-0x0000000001061000-0x0000000001063000-memory.dmp

Filesize
8KB

Download
memory/4528-167-0x0000000001060000-0x000000000137F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-166-0x0000000001061000-0x0000000001063000-memory.dmp

Filesize
8KB

Download
memory/4528-168-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-169-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-142-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-143-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-120-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-139-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-136-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-138-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-137-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-135-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-134-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-133-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-132-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-131-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-130-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-129-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-128-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-127-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-126-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-125-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-122-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-189-0x0000000001060000-0x000000000137F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-190-0x0000000001520000-0x0000000001564000-memory.dmp

Filesize
272KB

Download
memory/4528-124-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4528-123-0x0000000001060000-0x000000000137F000-memory.dmp

Filesize
3.1MB

Download
memory/4528-121-0x0000000077530000-0x00000000776BE000-memory.dmp

Filesize
1.6MB

Download
memory/4900-226-0x0000000001680000-0x00000000017CA000-memory.dmp

Filesize
1.3MB

Download
memory/4900-227-0x0000000001210000-0x000000000152F000-memory.dmp

Filesize
3.1MB

Download
memory/4900-225-0x0000000001210000-0x000000000152F000-memory.dmp

Filesize
3.1MB

Download
memory/4900-258-0x0000000001210000-0x000000000152F000-memory.dmp

Filesize
3.1MB

Download
memory/4900-259-0x0000000001210000-0x000000000152F000-memory.dmp

Filesize
3.1MB

Download
memory/4900-260-0x0000000001680000-0x00000000017CA000-memory.dmp

Filesize
1.3MB

Download
memory/4900-261-0x0000000001210000-0x000000000152F000-memory.dmp

Filesize
3.1MB

Download