417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088

General

Target

417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
Size

1.8MB
MD5

a126e4db90dcbe6f9210aaf10c920570
SHA1

f5bf17b1eab4c7724d439d9e4a8488ce4d01e65a
SHA256

417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088
SHA512

44d425d906a01e148e8bfabc9065664670a8f899170130e990d67ae698cae57a85a3f1b803991112811ed493c8241c3d0852bdd79533798fe5e45607a87a7f1a
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__	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
2448	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	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.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	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
2448	oobeldr.exe
2448	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
912	schtasks.exe
1792	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
2448	oobeldr.exe
2448	oobeldr.exe
2448	oobeldr.exe
2448	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 912	2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe	79
PID 2604 wrote to memory of 912	2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe	79
PID 2604 wrote to memory of 912	2604	417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe	79
PID 2448 wrote to memory of 1792	2448	oobeldr.exe	92
PID 2448 wrote to memory of 1792	2448	oobeldr.exe	92
PID 2448 wrote to memory of 1792	2448	oobeldr.exe	92

C:\Users\Admin\AppData\Local\Temp\417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.exe
"C:\Users\Admin\AppData\Local\Temp\417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088.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:2604
- 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:912

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:2448
- 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:1792

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
a126e4db90dcbe6f9210aaf10c920570

SHA1
f5bf17b1eab4c7724d439d9e4a8488ce4d01e65a

SHA256
417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088

SHA512
44d425d906a01e148e8bfabc9065664670a8f899170130e990d67ae698cae57a85a3f1b803991112811ed493c8241c3d0852bdd79533798fe5e45607a87a7f1a

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

Filesize
1.8MB

MD5
a126e4db90dcbe6f9210aaf10c920570

SHA1
f5bf17b1eab4c7724d439d9e4a8488ce4d01e65a

SHA256
417683362aab331919fc633202a212615676054efa3df99cb1e311fd74ebb088

SHA512
44d425d906a01e148e8bfabc9065664670a8f899170130e990d67ae698cae57a85a3f1b803991112811ed493c8241c3d0852bdd79533798fe5e45607a87a7f1a

Download Submit
memory/2448-147-0x00000000004F0000-0x000000000080F000-memory.dmp

Filesize
3.1MB

Download
memory/2448-145-0x00000000004F0000-0x000000000080F000-memory.dmp

Filesize
3.1MB

Download
memory/2448-154-0x0000000077BD0000-0x0000000077D73000-memory.dmp

Filesize
1.6MB

Download
memory/2448-153-0x0000000001040000-0x0000000001084000-memory.dmp

Filesize
272KB

Download
memory/2448-152-0x00000000004F0000-0x000000000080F000-memory.dmp

Filesize
3.1MB

Download
memory/2448-150-0x00000000004F1000-0x00000000004F3000-memory.dmp

Filesize
8KB

Download
memory/2448-148-0x0000000077BD0000-0x0000000077D73000-memory.dmp

Filesize
1.6MB

Download
memory/2448-146-0x0000000001040000-0x0000000001084000-memory.dmp

Filesize
272KB

Download
memory/2448-144-0x00000000004F0000-0x000000000080F000-memory.dmp

Filesize
3.1MB

Download
memory/2604-141-0x0000000077BD0000-0x0000000077D73000-memory.dmp

Filesize
1.6MB

Download
memory/2604-133-0x0000000000A00000-0x0000000000A44000-memory.dmp

Filesize
272KB

Download
memory/2604-132-0x0000000000C10000-0x0000000000F2F000-memory.dmp

Filesize
3.1MB

Download
memory/2604-135-0x0000000000C10000-0x0000000000F2F000-memory.dmp

Filesize
3.1MB

Download
memory/2604-134-0x0000000000C10000-0x0000000000F2F000-memory.dmp

Filesize
3.1MB

Download
memory/2604-137-0x0000000000C11000-0x0000000000C13000-memory.dmp

Filesize
8KB

Download
memory/2604-140-0x0000000000A00000-0x0000000000A44000-memory.dmp

Filesize
272KB

Download
memory/2604-139-0x0000000000C10000-0x0000000000F2F000-memory.dmp

Filesize
3.1MB

Download
memory/2604-136-0x0000000000C11000-0x0000000000C13000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads