Analysis
- max time kernel
150s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
20/05/2026, 04:07
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
tmpj7q372c6.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
tmpj7q372c6.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target tmpj7q372c6.exe
- Size 412KB
- Sample260520-eps36aat9m
- SHA256 3386dcb841b528ec70cb2c44ef5eaed7a12eaee4afcc69047f0770303bdb9fdb
- MD5 a9c7211eb7e2a5bacb6256554ca760fc
- SHA1 a7c811659c1062b42a6d29cbed1cca8d38e6af6d
- SHA512 c19c5d87c67fd73f07ddb303ea3627b460cfd57d0ee36a1d9694cec0ace699bef0ab46d8faa5d935de2132deaa17a3f629db5f28d561ec8207f89eda1603c374
- SSDEEP 6144:EWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvCBt933bpyjzx4oQDxS2g:EWkEuCaNT85I2vCMX5l+ZRvUtZC
- TLSH T17F94CFB661A0852CE4914EF9E115B971D97DA83D8F3D47EBC18E6A1C08F0DCBEE34642
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: CryptoLocker
Ransomware family with multiple variants.
- Deletes itself 1 IoCs
pid Process 2980 {34184A33-0407-212E-3320-09040709E2C2}.exe - Executes dropped EXE 3 IoCs
pid Process 2980 {34184A33-0407-212E-3320-09040709E2C2}.exe 1060 {34184A33-0407-212E-3320-09040709E2C2}.exe 4172 {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-1-5-21-2824035265-2271499813-2042964211-1000\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 tmpj7q372c6.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 {34184A33-0407-212E-3320-09040709E2C2}.exe - Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 2256 wrote to memory of 2980 2256 tmpj7q372c6.exe 81 PID 2980 wrote to memory of 1060 2980 {34184A33-0407-212E-3320-09040709E2C2}.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\tmpj7q372c6.exe"C:\Users\Admin\AppData\Local\Temp\tmpj7q372c6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256 -
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\tmpj7q372c6.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2980 -
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w000002343⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1060
-
-
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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:4172
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 412KB
- SHA256 3386dcb841b528ec70cb2c44ef5eaed7a12eaee4afcc69047f0770303bdb9fdb
- MD5 a9c7211eb7e2a5bacb6256554ca760fc
- SHA1 a7c811659c1062b42a6d29cbed1cca8d38e6af6d
- SHA512 c19c5d87c67fd73f07ddb303ea3627b460cfd57d0ee36a1d9694cec0ace699bef0ab46d8faa5d935de2132deaa17a3f629db5f28d561ec8207f89eda1603c374
- SSDEEP 6144:EWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvCBt933bpyjzx4oQDxS2g:EWkEuCaNT85I2vCMX5l+ZRvUtZC
- TLSH T17F94CFB661A0852CE4914EF9E115B971D97DA83D8F3D47EBC18E6A1C08F0DCBEE34642
- MD5 SHA1 SHA512 SSDEEP TLSH