e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea

General

Target

e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
Size

1.8MB
MD5

ed17f8407d6bcf03446dd019e6cea1f1
SHA1

5ece476080e272b078946645c20a06655da91965
SHA256

e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea
SHA512

a11edaf2285404fe95377b88e31f76a4cb4d8c6655c28a4cfbec196d71b2ed08671ccfcad137b214a1987552d0237c5095b062dac0857b5b456a8ae94c1101a5
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__	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	oobeldr.exe

Executes dropped EXE 1 IoCs

pid	Process
3340	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\VideoBiosVersion	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
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	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.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	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	oobeldr.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
3340	oobeldr.exe
3340	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
4828	schtasks.exe
440	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
3340	oobeldr.exe
3340	oobeldr.exe
3340	oobeldr.exe
3340	oobeldr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 4828	2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe	80
PID 2476 wrote to memory of 4828	2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe	80
PID 2476 wrote to memory of 4828	2476	e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe	80
PID 3340 wrote to memory of 440	3340	oobeldr.exe	90
PID 3340 wrote to memory of 440	3340	oobeldr.exe	90
PID 3340 wrote to memory of 440	3340	oobeldr.exe	90

C:\Users\Admin\AppData\Local\Temp\e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.exe
"C:\Users\Admin\AppData\Local\Temp\e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea.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:2476
- 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:4828

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:3340
- 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:440

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
ed17f8407d6bcf03446dd019e6cea1f1

SHA1
5ece476080e272b078946645c20a06655da91965

SHA256
e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea

SHA512
a11edaf2285404fe95377b88e31f76a4cb4d8c6655c28a4cfbec196d71b2ed08671ccfcad137b214a1987552d0237c5095b062dac0857b5b456a8ae94c1101a5

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

Filesize
1.8MB

MD5
ed17f8407d6bcf03446dd019e6cea1f1

SHA1
5ece476080e272b078946645c20a06655da91965

SHA256
e4d6277728c329abf71425f54cc569f17159f5d35f7191b35e212ebd50a239ea

SHA512
a11edaf2285404fe95377b88e31f76a4cb4d8c6655c28a4cfbec196d71b2ed08671ccfcad137b214a1987552d0237c5095b062dac0857b5b456a8ae94c1101a5

Download Submit
memory/2476-142-0x0000000002EC0000-0x0000000002F04000-memory.dmp

Filesize
272KB

Download
memory/2476-135-0x0000000000541000-0x0000000000543000-memory.dmp

Filesize
8KB

Download
memory/2476-137-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/2476-138-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/2476-133-0x0000000002EC0000-0x0000000002F04000-memory.dmp

Filesize
272KB

Download
memory/2476-140-0x0000000077740000-0x00000000778E3000-memory.dmp

Filesize
1.6MB

Download
memory/2476-141-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/2476-132-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/2476-143-0x0000000077740000-0x00000000778E3000-memory.dmp

Filesize
1.6MB

Download
memory/2476-136-0x0000000000541000-0x0000000000543000-memory.dmp

Filesize
8KB

Download
memory/2476-134-0x0000000000540000-0x000000000085F000-memory.dmp

Filesize
3.1MB

Download
memory/3340-146-0x0000000000ED0000-0x00000000011EF000-memory.dmp

Filesize
3.1MB

Download
memory/3340-148-0x0000000000ED1000-0x0000000000ED3000-memory.dmp

Filesize
8KB

Download
memory/3340-150-0x0000000000ED0000-0x00000000011EF000-memory.dmp

Filesize
3.1MB

Download
memory/3340-151-0x0000000000E10000-0x0000000000E54000-memory.dmp

Filesize
272KB

Download
memory/3340-152-0x0000000077740000-0x00000000778E3000-memory.dmp

Filesize
1.6MB

Download
memory/3340-153-0x0000000000ED0000-0x00000000011EF000-memory.dmp

Filesize
3.1MB

Download
memory/3340-154-0x0000000000E10000-0x0000000000E54000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads