40cee7c44bef384a352bac53e4cb33438623e13cdb15d1e9df35e93b4b00d6ee

Resubmissions

28/06/2026, 17:33

260628-v45y9sax8n8

28/06/2026, 17:28

260628-v2edjaav3t8

Analysis

max time kernel
300s
max time network
209s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260618-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/06/2026, 17:28

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General

Target
BSK Optimizer Setup 1.0.0.exe
Size 73.4MB
Sample260628-v2edjaav3t
SHA256 40cee7c44bef384a352bac53e4cb33438623e13cdb15d1e9df35e93b4b00d6ee
MD5 02473ecdd116d5be0ef34d54432212aa
SHA1 b383f3a772303451c86541c4ab8c33e0c516c4bd
SHA512 98733150d01c4dcc31091918d9050be4825cd4889c7de58e9be0000d96efbd89a6a7e9a68ca81e778e28999cebec547d9008e8e0ce8ece87b4645b1f6c3aa039
SSDEEP 1572864:yn2um44HiZzg19HG3cv4JW4/KMYAMvJmiftzjPzcsZM2AWIPIiXyR:ynTm4vm/YJo+sUifljLcs22Lv
TLSH
T130F7334AAF21E13FF413D473E10866F9629AE095E7338F97113E91DEE8E26106F441A7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
6992	BSK Optimizer Setup 1.0.0.exe
6992	BSK Optimizer Setup 1.0.0.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2268	6992	WerFault.exe	89

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BSK Optimizer Setup 1.0.0.exe

C:\Users\Admin\AppData\Local\Temp\BSK Optimizer Setup 1.0.0.exe
"C:\Users\Admin\AppData\Local\Temp\BSK Optimizer Setup 1.0.0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:6992
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 6992 -s 848
  2⤵
  - Program crash
  PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 6992 -ip 6992
1⤵
PID:4444

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

System.dll

Path C:\Users\Admin\AppData\Local\Temp\nsq9E6F.tmp\System.dll
Size 12KB
SHA256 3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 48df0911f0484cbe2a8cdd5362140b63c41ee457
SHA512 c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
SSDEEP 192:1enY0LWelt70elWjvfstJcVtwtYbjnIOg5AaDnbC7ypXhtIj:18PJlt70esj0Mt9vn6ay6
TLSH
T1BA428E12977049F2F1A0183C10A67F265FBEAE5C1BE445A39FE380867D652DF9436343
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

UAC.dll

Path C:\Users\Admin\AppData\Local\Temp\nsq9E6F.tmp\UAC.dll
Size 14KB
SHA256 2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08
MD5 adb29e6b186daa765dc750128649b63d
SHA1 160cbdc4cb0ac2c142d361df138c537aa7e708c9
SHA512 b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada
SSDEEP 192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs
TLSH
T10F623AAA62E847BEE2221636B96723130BFDB5203DA1D01F4D531E596C30BE3953D61A
MD5 SHA1 SHA512 SSDEEP TLSH