87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8

General

Target

87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
Size

1.8MB
MD5

ed0bb0680f68156dfa86a49cba942e1f
SHA1

a11b69f037ea9beed097dcf4885f486a5b8a8e45
SHA256

87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8
SHA512

371d52ce475e87e9b748276a6d415af76fc03c8398d3ae05cbcf24b1a8d9d4736640baeb5027f438c92c7d684ad9baad5e2943ae1e75072dca0e75b286a1d189
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__	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe

Executes dropped EXE 1 IoCs

pid	Process
2748	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	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.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	oobeldr.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
2748	oobeldr.exe
2748	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
5044	schtasks.exe
4604	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
2748	oobeldr.exe
2748	oobeldr.exe
2748	oobeldr.exe
2748	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 5044	3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe	79
PID 3524 wrote to memory of 5044	3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe	79
PID 3524 wrote to memory of 5044	3524	87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe	79
PID 2748 wrote to memory of 4604	2748	oobeldr.exe	89
PID 2748 wrote to memory of 4604	2748	oobeldr.exe	89
PID 2748 wrote to memory of 4604	2748	oobeldr.exe	89

C:\Users\Admin\AppData\Local\Temp\87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.exe
"C:\Users\Admin\AppData\Local\Temp\87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8.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:3524
- 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:5044

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:2748
- 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:4604

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
ed0bb0680f68156dfa86a49cba942e1f

SHA1
a11b69f037ea9beed097dcf4885f486a5b8a8e45

SHA256
87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8

SHA512
371d52ce475e87e9b748276a6d415af76fc03c8398d3ae05cbcf24b1a8d9d4736640baeb5027f438c92c7d684ad9baad5e2943ae1e75072dca0e75b286a1d189

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

Filesize
1.8MB

MD5
ed0bb0680f68156dfa86a49cba942e1f

SHA1
a11b69f037ea9beed097dcf4885f486a5b8a8e45

SHA256
87606d1b68c312c314f2344aad821f069d286becfb09aac7c8a5ccf2f013c9f8

SHA512
371d52ce475e87e9b748276a6d415af76fc03c8398d3ae05cbcf24b1a8d9d4736640baeb5027f438c92c7d684ad9baad5e2943ae1e75072dca0e75b286a1d189

Download Submit
memory/2748-155-0x0000000001700000-0x0000000001744000-memory.dmp

Filesize
272KB

Download
memory/2748-154-0x0000000000F90000-0x00000000012AF000-memory.dmp

Filesize
3.1MB

Download
memory/2748-153-0x0000000077820000-0x00000000779C3000-memory.dmp

Filesize
1.6MB

Download
memory/2748-152-0x0000000000F90000-0x00000000012AF000-memory.dmp

Filesize
3.1MB

Download
memory/2748-151-0x0000000001700000-0x0000000001744000-memory.dmp

Filesize
272KB

Download
memory/2748-150-0x0000000000F90000-0x00000000012AF000-memory.dmp

Filesize
3.1MB

Download
memory/2748-148-0x0000000000F91000-0x0000000000F93000-memory.dmp

Filesize
8KB

Download
memory/2748-146-0x0000000000F90000-0x00000000012AF000-memory.dmp

Filesize
3.1MB

Download
memory/3524-136-0x0000000001001000-0x0000000001003000-memory.dmp

Filesize
8KB

Download
memory/3524-143-0x0000000077820000-0x00000000779C3000-memory.dmp

Filesize
1.6MB

Download
memory/3524-142-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3524-141-0x0000000077820000-0x00000000779C3000-memory.dmp

Filesize
1.6MB

Download
memory/3524-140-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3524-138-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3524-132-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3524-137-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/3524-135-0x0000000000F20000-0x0000000000F64000-memory.dmp

Filesize
272KB

Download
memory/3524-133-0x0000000001001000-0x0000000001003000-memory.dmp

Filesize
8KB

Download
memory/3524-134-0x0000000001000000-0x000000000131F000-memory.dmp

Filesize
3.1MB

Download
memory/4604-149-0x0000000000000000-mapping.dmp

Download
memory/5044-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads