Resubmissions
01/09/2026, 11:06
260901-m7r8kscm511001/09/2026, 10:57
260901-m2ncfacl7x1031/08/2026, 01:14
260831-blyyfsec3210Analysis
- user interaction
yes - max time kernel
150s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
01/09/2026, 10:57
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
CryptoLocker.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
CryptoLocker.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target CryptoLocker.exe
- Size 338KB
- Sample260901-m2ncfacl7x
- SHA256 d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
- MD5 04fb36199787f2e3e2135611a38321eb
- SHA1 65559245709fe98052eb284577f1fd61c01ad20d
- SHA512 533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444
- SSDEEP 6144:sWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvC:sWkEuCaNT85I2vCMX5l+ZRv
- TLSH T14F74E073B4919525E9E04DB4F6B9BD324639B8396F3D4BC792842D4E04701CBEAB9383
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: CryptoLocker
Ransomware family with multiple variants.
- Deletes itself 1 IoCs
pid Process 3428 {34184A33-0407-212E-3320-09040709E2C2}.exe - Executes dropped EXE 3 IoCs
pid Process 3428 {34184A33-0407-212E-3320-09040709E2C2}.exe 1468 {34184A33-0407-212E-3320-09040709E2C2}.exe 4132 {34184A33-0407-212E-3320-09040709E2C2}.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\{34184A33-0407-212E-3320-09040709E2C2}.exe" {34184A33-0407-212E-3320-09040709E2C2}.exe - System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {34184A33-0407-212E-3320-09040709E2C2}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {34184A33-0407-212E-3320-09040709E2C2}.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CryptoLocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language {34184A33-0407-212E-3320-09040709E2C2}.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2496 wrote to memory of 3428 2496 CryptoLocker.exe 88 PID 3428 wrote to memory of 1468 3428 {34184A33-0407-212E-3320-09040709E2C2}.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\CryptoLocker.exe"C:\Users\Admin\AppData\Local\Temp\CryptoLocker.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496 -
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\CryptoLocker.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3428 -
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w000002483⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1468
-
-
-
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exeC:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4132
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
- Size 338KB
- SHA256 d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
- MD5 04fb36199787f2e3e2135611a38321eb
- SHA1 65559245709fe98052eb284577f1fd61c01ad20d
- SHA512 533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444
- SSDEEP 6144:sWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvC:sWkEuCaNT85I2vCMX5l+ZRv
- TLSH T14F74E073B4919525E9E04DB4F6B9BD324639B8396F3D4BC792842D4E04701CBEAB9383
- MD5 SHA1 SHA512 SSDEEP TLSH