f1873ba62c8c80ba1a94537165b35d4ae8cb960c2d5d30a7355b8ba7c05ce814

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
27/05/2026, 04:38

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General

Target
optic.exe
Size 4.2MB
Sample260527-e9fnkafs5j
SHA256 f1873ba62c8c80ba1a94537165b35d4ae8cb960c2d5d30a7355b8ba7c05ce814
MD5 abcb4ddffc5aa00565bd5be999ef518c
SHA1 a032eac87342716c800116fb33825dc8ca5e2ebc
SHA512 9f887c26eda1cbd74ac7c3169a32d0d823882fe6471bf3149e35564255364a2e6575f66f72c592bc41e01d0e1c174f5c38d62fdee15902b9fcd404f4575e9cde
SSDEEP 49152:3C4aj7h1me1QaQwFZo4pdcnq2Q3XZEDnDXnEbmLuWw+5K3RFys1vFtM:O1rnQ5wdEq24u/XnEQu4UBFys1D
TLSH
T13B16AE4AE9530EEDF59B9A38A9657313A93275690B3483FF16DC0C619B272C00EF7346
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

persistence

Malware Config

Signatures

Sets service image path in registry 3 TTPs 1 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\sDaNBHQwwEdgZTsam\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\sDaNBHQwwEdgZTsam"	lekcv7yv1j.exe

Executes dropped EXE 1 IoCs

pid	Process
4432	lekcv7yv1j.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4432	lekcv7yv1j.exe
4432	lekcv7yv1j.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1696	optic.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
4432	lekcv7yv1j.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4432	lekcv7yv1j.exe
Token: SeLoadDriverPrivilege	4432	lekcv7yv1j.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 4432	1696	optic.exe	81

C:\Users\Admin\AppData\Local\Temp\optic.exe
"C:\Users\Admin\AppData\Local\Temp\optic.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Users\Admin\AppData\Local\Temp\lekcv7yv1j.exe
  C:\Users\Admin\AppData\Local\Temp\lekcv7yv1j.exe C:\Users\Admin\AppData\Local\Temp\cynk9lnwv6.sys
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:4432

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

lekcv7yv1j.exe

Path C:\Users\Admin\AppData\Local\Temp\lekcv7yv1j.exe
Size 568KB
SHA256 365345d06316f22b4bfce15883d1507d15bbbe1dc42df3e8d9c8ef19085e1a27
MD5 e0fddcfe7a3d1cb266108c6d5557f7aa
SHA1 d52d16688b1f3370ce58619087ecb548d4838c94
SHA512 c94f2c6d24fba582ce809fdf3485437dc095a5b107f796142086b9c1e59fe2c28a67c55bd90e9a79ba55a5f56d93d88b755d68272f9d43e40ce0506dc1512016
SSDEEP 3072:RbzMBb9WEkTCBznyQWj/qUe4AVgPKdB4k9W5t3Rg9e97JXS7JqqdwgBPzgXG2AwG:lMBu2BzneZFvNIPzGLxWli67scaX
TLSH
T16EC4D6C7DD135BD9F396EB7875A23323B85B37AA0B28C6BF15C01C625619380529738E
MD5 SHA1 SHA512 SSDEEP TLSH

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