e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253

General

Target

e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
Size

1.8MB
MD5

9f876903ef62a60a4adcb1da612047c9
SHA1

5aed2903226494c6cf6e02ace37ae507c37a1523
SHA256

e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253
SHA512

acecd310803adf5ae7d9a8f15f268b18cea68856d9e6ef3f2e1fa03b5ce555b1c864f1cf4fcc25137088c4ad05020897c9439be10ee7e4fd05d043fb595bb301
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__	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
4192	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	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.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	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
4192	oobeldr.exe
4192	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
2400	schtasks.exe
3324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
4192	oobeldr.exe
4192	oobeldr.exe
4192	oobeldr.exe
4192	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 3324	524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe	85
PID 524 wrote to memory of 3324	524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe	85
PID 524 wrote to memory of 3324	524	e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe	85
PID 4192 wrote to memory of 2400	4192	oobeldr.exe	102
PID 4192 wrote to memory of 2400	4192	oobeldr.exe	102
PID 4192 wrote to memory of 2400	4192	oobeldr.exe	102

C:\Users\Admin\AppData\Local\Temp\e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.exe
"C:\Users\Admin\AppData\Local\Temp\e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253.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:524
- 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:3324

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:4192
- 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:2400

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
9f876903ef62a60a4adcb1da612047c9

SHA1
5aed2903226494c6cf6e02ace37ae507c37a1523

SHA256
e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253

SHA512
acecd310803adf5ae7d9a8f15f268b18cea68856d9e6ef3f2e1fa03b5ce555b1c864f1cf4fcc25137088c4ad05020897c9439be10ee7e4fd05d043fb595bb301

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

Filesize
1.8MB

MD5
9f876903ef62a60a4adcb1da612047c9

SHA1
5aed2903226494c6cf6e02ace37ae507c37a1523

SHA256
e3f6765a4d636b9b61d27c3559790c5a5703e7cf9f6f25243bad5bef8e911253

SHA512
acecd310803adf5ae7d9a8f15f268b18cea68856d9e6ef3f2e1fa03b5ce555b1c864f1cf4fcc25137088c4ad05020897c9439be10ee7e4fd05d043fb595bb301

Download Submit
memory/524-143-0x00000000776F0000-0x0000000077893000-memory.dmp

Filesize
1.6MB

Download
memory/524-135-0x0000000000DC1000-0x0000000000DC3000-memory.dmp

Filesize
8KB

Download
memory/524-134-0x0000000000DC0000-0x00000000010DF000-memory.dmp

Filesize
3.1MB

Download
memory/524-138-0x0000000000560000-0x00000000005A4000-memory.dmp

Filesize
272KB

Download
memory/524-139-0x0000000000DC0000-0x00000000010DF000-memory.dmp

Filesize
3.1MB

Download
memory/524-140-0x0000000000DC0000-0x00000000010DF000-memory.dmp

Filesize
3.1MB

Download
memory/524-141-0x00000000776F0000-0x0000000077893000-memory.dmp

Filesize
1.6MB

Download
memory/524-142-0x0000000000DC0000-0x00000000010DF000-memory.dmp

Filesize
3.1MB

Download
memory/524-133-0x0000000000DC0000-0x00000000010DF000-memory.dmp

Filesize
3.1MB

Download
memory/524-136-0x0000000000DC1000-0x0000000000DC3000-memory.dmp

Filesize
8KB

Download
memory/4192-146-0x0000000000B60000-0x0000000000E7F000-memory.dmp

Filesize
3.1MB

Download
memory/4192-148-0x0000000000B61000-0x0000000000B63000-memory.dmp

Filesize
8KB

Download
memory/4192-150-0x0000000000B60000-0x0000000000E7F000-memory.dmp

Filesize
3.1MB

Download
memory/4192-151-0x00000000013D0000-0x0000000001414000-memory.dmp

Filesize
272KB

Download
memory/4192-152-0x0000000000B60000-0x0000000000E7F000-memory.dmp

Filesize
3.1MB

Download
memory/4192-153-0x00000000776F0000-0x0000000077893000-memory.dmp

Filesize
1.6MB

Download
memory/4192-154-0x0000000000B60000-0x0000000000E7F000-memory.dmp

Filesize
3.1MB

Download
memory/4192-155-0x00000000013D0000-0x0000000001414000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads