9084d381123e0c42045a8c6084dae52d83794552487f1b201b91fe97a49a65dc

Analysis

max time kernel
36s
max time network
38s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 23:57

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General

Target

Opti.exe
Size

9.9MB
MD5

551277f476f83179af0e58207008b8e0
SHA1

3c434f5f508bcb867f2b34f3b488849d267272c3
SHA256

9084d381123e0c42045a8c6084dae52d83794552487f1b201b91fe97a49a65dc
SHA512

da67b5947a87f55142ed77ac7a4573d3d6d19a1b8451b167d0d787e432aff75ae117bb68448695aea88c3d57545af80389e52d0f7dabd4588863b943da3aa4bc
SSDEEP

98304:63wN6zR7vjAPjPbSnhLgJpQRpuVyJ1EanBv/ZmKq0bT:0RV7vjAPjMleQRpuAJGoLbT

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Opti.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Realtek HD Audio Universal Service = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Protect\\SecurityHealthSystray.exe"	Opti.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Opti.exe

description pid process

Token: SeDebugPrivilege 4984 Opti.exe
Suspicious use of WriteProcessMemory 2 IoCs

Processes:

Opti.exe

description pid process target process

PID 4984 wrote to memory of 412 4984 Opti.exe attrib.exe
PID 4984 wrote to memory of 412 4984 Opti.exe attrib.exe
Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exe

pid process

412 attrib.exe

description	pid	process
Token: SeDebugPrivilege	4984	Opti.exe

description	pid	process	target process
PID 4984 wrote to memory of 412	4984	Opti.exe	attrib.exe
PID 4984 wrote to memory of 412	4984	Opti.exe	attrib.exe

pid	process
412	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Opti.exe
"C:\Users\Admin\AppData\Local\Temp\Opti.exe"
1⤵
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4984
- C:\Windows\system32\attrib.exe
  attrib +h +s C:\Users\Admin\AppData\Local\Temp\Opti.exe
  2⤵
  - Views/modifies file attributes
  PID:412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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