7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708

Analysis

max time kernel
146s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
12-09-2022 12:27

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General

Target

7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
Size

1.8MB
MD5

a18c0a6b2e0279484f0ecf759dfae288
SHA1

44b967df68e510ce799d8d33bb514943a216ec14
SHA256

7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708
SHA512

a5044927acb7661ca4d779815bc17f89367b44b1170cbb54fd8d751c6d005dec2e39413efc86708b86f3a4cb2d9d8773565da56f084bc3ab8eff4ff303211b40
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__	oobeldr.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe

Executes dropped EXE 1 IoCs

pid	Process
940	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	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.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	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
940	oobeldr.exe
940	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
4760	schtasks.exe
3536	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
940	oobeldr.exe
940	oobeldr.exe
940	oobeldr.exe
940	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 4760	3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe	66
PID 3468 wrote to memory of 4760	3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe	66
PID 3468 wrote to memory of 4760	3468	7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe	66
PID 940 wrote to memory of 3536	940	oobeldr.exe	69
PID 940 wrote to memory of 3536	940	oobeldr.exe	69
PID 940 wrote to memory of 3536	940	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.exe
"C:\Users\Admin\AppData\Local\Temp\7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708.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:3468
- 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:4760

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:940
- 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:3536

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
a18c0a6b2e0279484f0ecf759dfae288

SHA1
44b967df68e510ce799d8d33bb514943a216ec14

SHA256
7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708

SHA512
a5044927acb7661ca4d779815bc17f89367b44b1170cbb54fd8d751c6d005dec2e39413efc86708b86f3a4cb2d9d8773565da56f084bc3ab8eff4ff303211b40

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

Filesize
1.8MB

MD5
a18c0a6b2e0279484f0ecf759dfae288

SHA1
44b967df68e510ce799d8d33bb514943a216ec14

SHA256
7a48a9d87b09d0c130eca999fd8cb1d982df5cbd1a9cb2e4685db81fe34a6708

SHA512
a5044927acb7661ca4d779815bc17f89367b44b1170cbb54fd8d751c6d005dec2e39413efc86708b86f3a4cb2d9d8773565da56f084bc3ab8eff4ff303211b40

Download Submit
memory/940-221-0x0000000000070000-0x000000000038F000-memory.dmp

Filesize
3.1MB

Download
memory/940-261-0x0000000000070000-0x000000000038F000-memory.dmp

Filesize
3.1MB

Download
memory/940-260-0x0000000000070000-0x000000000038F000-memory.dmp

Filesize
3.1MB

Download
memory/940-259-0x0000000000B50000-0x0000000000B94000-memory.dmp

Filesize
272KB

Download
memory/940-258-0x0000000000070000-0x000000000038F000-memory.dmp

Filesize
3.1MB

Download
memory/940-257-0x0000000000070000-0x000000000038F000-memory.dmp

Filesize
3.1MB

Download
memory/940-223-0x0000000000070000-0x000000000038F000-memory.dmp

Filesize
3.1MB

Download
memory/940-222-0x0000000000B50000-0x0000000000B94000-memory.dmp

Filesize
272KB

Download
memory/3468-156-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-161-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-128-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-129-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-130-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-131-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-132-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-133-0x00000000000F0000-0x000000000040F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-134-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-135-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-136-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-137-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-138-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-139-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-140-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-141-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-142-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-143-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-144-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-145-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-146-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-148-0x0000000003020000-0x0000000003064000-memory.dmp

Filesize
272KB

Download
memory/3468-149-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-147-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-150-0x00000000000F0000-0x000000000040F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-151-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-152-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-153-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-154-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-155-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-126-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-157-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-159-0x00000000000F0000-0x000000000040F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-158-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-160-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-127-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-162-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-163-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-164-0x00000000000F1000-0x00000000000F3000-memory.dmp

Filesize
8KB

Download
memory/3468-165-0x00000000000F1000-0x00000000000F3000-memory.dmp

Filesize
8KB

Download
memory/3468-166-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-167-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-168-0x00000000000F0000-0x000000000040F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-188-0x00000000000F0000-0x000000000040F000-memory.dmp

Filesize
3.1MB

Download
memory/3468-189-0x0000000003020000-0x0000000003064000-memory.dmp

Filesize
272KB

Download
memory/3468-119-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-120-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-121-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-122-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-123-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-124-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/3468-125-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-172-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-187-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-177-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-180-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-181-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-182-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-175-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-174-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-179-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-178-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-171-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-173-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-170-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-183-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-184-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-185-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-186-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download
memory/4760-176-0x0000000077740000-0x00000000778CE000-memory.dmp

Filesize
1.6MB

Download