ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d

General

Target

ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
Size

1.8MB
MD5

16c48b6dc49a4e8d275c549df911b520
SHA1

1a56cec1493a8e20c497d04d7e406a8fe8cab9f1
SHA256

ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d
SHA512

04c3c8a28725dbf747dd9ece995201cbc102b705e78edeecafb7d017c889de2d1f383f3bde1a8f8ccda72a2e19fcb13e8ddb50189ca50b2aec64337611ee3650
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__	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
1916	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	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.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	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
1916	oobeldr.exe
1916	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
4916	schtasks.exe
2072	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
1916	oobeldr.exe
1916	oobeldr.exe
1916	oobeldr.exe
1916	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 4916	5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe	84
PID 5012 wrote to memory of 4916	5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe	84
PID 5012 wrote to memory of 4916	5012	ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe	84
PID 1916 wrote to memory of 2072	1916	oobeldr.exe	95
PID 1916 wrote to memory of 2072	1916	oobeldr.exe	95
PID 1916 wrote to memory of 2072	1916	oobeldr.exe	95

C:\Users\Admin\AppData\Local\Temp\ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.exe
"C:\Users\Admin\AppData\Local\Temp\ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d.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:5012
- 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:4916

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:1916
- 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:2072

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.8MB

MD5
16c48b6dc49a4e8d275c549df911b520

SHA1
1a56cec1493a8e20c497d04d7e406a8fe8cab9f1

SHA256
ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d

SHA512
04c3c8a28725dbf747dd9ece995201cbc102b705e78edeecafb7d017c889de2d1f383f3bde1a8f8ccda72a2e19fcb13e8ddb50189ca50b2aec64337611ee3650

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

Filesize
1.8MB

MD5
16c48b6dc49a4e8d275c549df911b520

SHA1
1a56cec1493a8e20c497d04d7e406a8fe8cab9f1

SHA256
ab5d945f0df0849eb41dbde76e3bc7e87f7fed10b0a5bbfa39f6973e6340a79d

SHA512
04c3c8a28725dbf747dd9ece995201cbc102b705e78edeecafb7d017c889de2d1f383f3bde1a8f8ccda72a2e19fcb13e8ddb50189ca50b2aec64337611ee3650

Download Submit
memory/1916-151-0x00000000000C0000-0x00000000003DF000-memory.dmp

Filesize
3.1MB

Download
memory/1916-148-0x00000000000C1000-0x00000000000C3000-memory.dmp

Filesize
8KB

Download
memory/1916-156-0x00000000000C0000-0x00000000003DF000-memory.dmp

Filesize
3.1MB

Download
memory/1916-155-0x00000000000C0000-0x00000000003DF000-memory.dmp

Filesize
3.1MB

Download
memory/1916-154-0x0000000000A20000-0x0000000000A64000-memory.dmp

Filesize
272KB

Download
memory/1916-144-0x00000000000C0000-0x00000000003DF000-memory.dmp

Filesize
3.1MB

Download
memory/1916-153-0x00000000000C0000-0x00000000003DF000-memory.dmp

Filesize
3.1MB

Download
memory/1916-152-0x0000000077E30000-0x0000000077FD3000-memory.dmp

Filesize
1.6MB

Download
memory/1916-146-0x0000000000A20000-0x0000000000A64000-memory.dmp

Filesize
272KB

Download
memory/1916-150-0x00000000000C0000-0x00000000003DF000-memory.dmp

Filesize
3.1MB

Download
memory/1916-145-0x00000000000C0000-0x00000000003DF000-memory.dmp

Filesize
3.1MB

Download
memory/5012-139-0x0000000000D70000-0x000000000108F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-134-0x0000000000D70000-0x000000000108F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-135-0x0000000000D70000-0x000000000108F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-132-0x0000000000D70000-0x000000000108F000-memory.dmp

Filesize
3.1MB

Download
memory/5012-133-0x00000000009B0000-0x00000000009F4000-memory.dmp

Filesize
272KB

Download
memory/5012-141-0x0000000077E30000-0x0000000077FD3000-memory.dmp

Filesize
1.6MB

Download
memory/5012-140-0x00000000009B0000-0x00000000009F4000-memory.dmp

Filesize
272KB

Download
memory/5012-137-0x0000000000D71000-0x0000000000D73000-memory.dmp

Filesize
8KB

Download
memory/5012-136-0x0000000000D71000-0x0000000000D73000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads