ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415

Analysis

max time kernel
55s
max time network
74s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
18/09/2022, 22:47

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General

Target

ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
Size

1.8MB
MD5

8a04966531e93843ce8b35fd58964b21
SHA1

a3a0b3151214d3df93eb9e6cf25620bf3d134943
SHA256

ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415
SHA512

acf0c645cb7ace3db4921216689945f0043774daf1c1ced25a6167dd9bcf762d4df28acdafcbcfbb4aa347b2cc0d3341d2df4d3bccb18682e1dae0df766a977b
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__	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4288	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\VideoBiosVersion	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
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	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.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	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
4288	oobeldr.exe
4288	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
4920	schtasks.exe
4972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
4288	oobeldr.exe
4288	oobeldr.exe
4288	oobeldr.exe
4288	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4788 wrote to memory of 4920	4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe	66
PID 4788 wrote to memory of 4920	4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe	66
PID 4788 wrote to memory of 4920	4788	ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe	66
PID 4288 wrote to memory of 4972	4288	oobeldr.exe	69
PID 4288 wrote to memory of 4972	4288	oobeldr.exe	69
PID 4288 wrote to memory of 4972	4288	oobeldr.exe	69

C:\Users\Admin\AppData\Local\Temp\ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.exe
"C:\Users\Admin\AppData\Local\Temp\ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415.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:4788
- 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:4920

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:4288
- 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:4972

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
8a04966531e93843ce8b35fd58964b21

SHA1
a3a0b3151214d3df93eb9e6cf25620bf3d134943

SHA256
ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415

SHA512
acf0c645cb7ace3db4921216689945f0043774daf1c1ced25a6167dd9bcf762d4df28acdafcbcfbb4aa347b2cc0d3341d2df4d3bccb18682e1dae0df766a977b

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

Filesize
1.8MB

MD5
8a04966531e93843ce8b35fd58964b21

SHA1
a3a0b3151214d3df93eb9e6cf25620bf3d134943

SHA256
ba19584a7fb91f89a4bf864b77477e108c2329816ea50eb635ee8138eadad415

SHA512
acf0c645cb7ace3db4921216689945f0043774daf1c1ced25a6167dd9bcf762d4df28acdafcbcfbb4aa347b2cc0d3341d2df4d3bccb18682e1dae0df766a977b

Download Submit
memory/4288-247-0x0000000000FD0000-0x00000000012EF000-memory.dmp

Filesize
3.1MB

Download
memory/4288-255-0x00000000012F0000-0x0000000001334000-memory.dmp

Filesize
272KB

Download
memory/4288-254-0x0000000000FD0000-0x00000000012EF000-memory.dmp

Filesize
3.1MB

Download
memory/4288-249-0x00000000012F0000-0x0000000001334000-memory.dmp

Filesize
272KB

Download
memory/4788-150-0x0000000000CC0000-0x0000000000FDF000-memory.dmp

Filesize
3.1MB

Download
memory/4788-156-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-121-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-122-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-123-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-125-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-126-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-127-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-128-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-157-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-130-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-131-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-132-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-133-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-135-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-136-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-138-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-137-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-134-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-124-0x0000000000CC0000-0x0000000000FDF000-memory.dmp

Filesize
3.1MB

Download
memory/4788-139-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-140-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-141-0x0000000000C30000-0x0000000000C74000-memory.dmp

Filesize
272KB

Download
memory/4788-142-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-143-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-144-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-145-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-146-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-147-0x0000000000CC0000-0x0000000000FDF000-memory.dmp

Filesize
3.1MB

Download
memory/4788-148-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-149-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-151-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-119-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-152-0x0000000000CC0000-0x0000000000FDF000-memory.dmp

Filesize
3.1MB

Download
memory/4788-153-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-154-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-120-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-155-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-129-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-158-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-159-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-160-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-161-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-162-0x0000000000CC1000-0x0000000000CC3000-memory.dmp

Filesize
8KB

Download
memory/4788-163-0x0000000000CC1000-0x0000000000CC3000-memory.dmp

Filesize
8KB

Download
memory/4788-164-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-165-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-167-0x0000000000CC0000-0x0000000000FDF000-memory.dmp

Filesize
3.1MB

Download
memory/4788-186-0x0000000000CC0000-0x0000000000FDF000-memory.dmp

Filesize
3.1MB

Download
memory/4788-187-0x0000000000C30000-0x0000000000C74000-memory.dmp

Filesize
272KB

Download
memory/4788-116-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-117-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4788-118-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-180-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-171-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-172-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-173-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-174-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-175-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-177-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-176-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-170-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-179-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-182-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-178-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-181-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-183-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-184-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-185-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-169-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/4920-168-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download