09a3832b278001e121d92022d6a777c1e79b2a93748aaf79206fac9443ab3c65

Analysis

max time kernel
150s
platform
windows11-21h2_x64
resource
win11-20260911-en
resource tags

arch:x64arch:x86image:win11-20260911-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
20/10/2026, 10:31

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General

Target
OctopusEAX.exe
Size 1.5MB
Sample261020-mkveescv7k
SHA256 09a3832b278001e121d92022d6a777c1e79b2a93748aaf79206fac9443ab3c65
MD5 139b2cfe750e9c5ce4faf5cc16f84029
SHA1 d43683bde295d0b2388215a40f5d7da743aeb587
SHA512 71edc7fc3199be8d87a56ab7aa110414f493de50be9696355926343e47c517d75b46d363be7fd6c1b0f546599c58a0958ed1ab46e30174938db151f57475b824
SSDEEP 24576:SOhk72xV+Nbb/BRk+Z29FGo1FY4hQlG2Q4fvtIUPYY0DhwORV:SwN+Nf/jZM/bRyfP4VwO
TLSH
T145759D11A1E401EDD17BE2B4CA762D07E77278420734AAEB03D09D6A1F276D15EBF722
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

defense_evasion persistence

Malware Config

Signatures

Direct Volume Access: Opens a physical disk for reading 1 TTPs 1 IoCs

Opens a raw handle to a physical disk, which bypasses file system access controls and is used for disk inspection, anti-VM checks and privilege checks.

defense_evasion

Direct Volume Access

T1006

description	ioc	Process
File opened (read-only)	\??\PhysicalDrive0	OctopusEAX.exe

Enumerates system info in registry 2 TTPs 4 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	OctopusEAX.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	OctopusEAX.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	OctopusEAX.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\BaseBoardProduct	OctopusEAX.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1644	OctopusEAX.exe
1644	OctopusEAX.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 4576	1644	OctopusEAX.exe	80
PID 1644 wrote to memory of 3144	1644	OctopusEAX.exe	82

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\OctopusEAX.exe
"C:\Users\Admin\AppData\Local\Temp\OctopusEAX.exe"
1⤵
- Direct Volume Access: Opens a physical disk for reading
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\system32\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /Query /TN "OctopusEAX"
  2⤵
  PID:4576
- C:\Windows\system32\schtasks.exe
  "C:\Windows\system32\schtasks.exe" /Query /TN "MasonEAX"
  2⤵
  PID:3144

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Direct Volume Access

T1006

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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