f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141

General

Target

f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
Size

1.8MB
MD5

8db2b403d740a87e51f390ee83771985
SHA1

bf8c39b4b84438f378b7ac6f98f2b5877d123100
SHA256

f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141
SHA512

118a631524ac21ae26a5b3e49254aa2b9d6ba4ea8ff19eaf11febedbf530c79ceb8bb185dafce2ff0649067af167da4f5b907426e1000d34a47648f74663e7c2
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

Processes:

f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exeoobeldr.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

Processes:

oobeldr.exe

pid process

4740 oobeldr.exe

pid	process
4740	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

Processes:

oobeldr.exef4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe

description	ioc	process
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	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exeoobeldr.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exeoobeldr.exe

pid	process
868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
4740	oobeldr.exe
4740	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

Processes:

schtasks.exeschtasks.exe

pid process

2636 schtasks.exe
3888 schtasks.exe

pid	process
2636	schtasks.exe
3888	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exeoobeldr.exe

pid	process
868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
4740	oobeldr.exe
4740	oobeldr.exe
4740	oobeldr.exe
4740	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exeoobeldr.exe

description	pid	process	target process
PID 868 wrote to memory of 3888	868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe	schtasks.exe
PID 868 wrote to memory of 3888	868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe	schtasks.exe
PID 868 wrote to memory of 3888	868	f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe	schtasks.exe
PID 4740 wrote to memory of 2636	4740	oobeldr.exe	schtasks.exe
PID 4740 wrote to memory of 2636	4740	oobeldr.exe	schtasks.exe
PID 4740 wrote to memory of 2636	4740	oobeldr.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.exe
"C:\Users\Admin\AppData\Local\Temp\f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141.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:868

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:3888

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:4740

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:2636

Network

MITRE ATT&CK Matrix ATT&CK 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

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
8db2b403d740a87e51f390ee83771985

SHA1
bf8c39b4b84438f378b7ac6f98f2b5877d123100

SHA256
f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141

SHA512
118a631524ac21ae26a5b3e49254aa2b9d6ba4ea8ff19eaf11febedbf530c79ceb8bb185dafce2ff0649067af167da4f5b907426e1000d34a47648f74663e7c2

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Protect\oobeldr.exe
Filesize
1.8MB

MD5
8db2b403d740a87e51f390ee83771985

SHA1
bf8c39b4b84438f378b7ac6f98f2b5877d123100

SHA256
f4adc3d6e7895aa467b6469c94affda8213742897969aff95ddc480c8a9ac141

SHA512
118a631524ac21ae26a5b3e49254aa2b9d6ba4ea8ff19eaf11febedbf530c79ceb8bb185dafce2ff0649067af167da4f5b907426e1000d34a47648f74663e7c2

Download Submit
memory/868-144-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download
memory/868-132-0x00000000006A0000-0x00000000009BF000-memory.dmp

Filesize
3.1MB

Download
memory/868-133-0x00000000006A0000-0x00000000009BF000-memory.dmp

Filesize
3.1MB

Download
memory/868-137-0x00000000006A1000-0x00000000006A3000-memory.dmp

Filesize
8KB

Download
memory/868-138-0x00000000006A1000-0x00000000006A3000-memory.dmp

Filesize
8KB

Download
memory/868-139-0x00000000006A0000-0x00000000009BF000-memory.dmp

Filesize
3.1MB

Download
memory/868-140-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download
memory/868-135-0x00000000006A0000-0x00000000009BF000-memory.dmp

Filesize
3.1MB

Download
memory/868-142-0x00000000006A0000-0x00000000009BF000-memory.dmp

Filesize
3.1MB

Download
memory/868-143-0x0000000002930000-0x0000000002974000-memory.dmp

Filesize
272KB

Download
memory/868-136-0x00000000006A0000-0x00000000009BF000-memory.dmp

Filesize
3.1MB

Download
memory/868-134-0x0000000002930000-0x0000000002974000-memory.dmp

Filesize
272KB

Download
memory/2636-153-0x0000000000000000-mapping.dmp

Download
memory/3888-141-0x0000000000000000-mapping.dmp

Download
memory/4740-148-0x0000000001300000-0x0000000001344000-memory.dmp

Filesize
272KB

Download
memory/4740-149-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4740-150-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4740-147-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4740-152-0x0000000000C61000-0x0000000000C63000-memory.dmp

Filesize
8KB

Download
memory/4740-154-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4740-155-0x00000000772E0000-0x0000000077483000-memory.dmp

Filesize
1.6MB

Download
memory/4740-156-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4740-157-0x0000000001300000-0x0000000001344000-memory.dmp

Filesize
272KB

Download
memory/4740-158-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download
memory/4740-159-0x0000000000C60000-0x0000000000F7F000-memory.dmp

Filesize
3.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads