Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 15:13
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-11-01_8d898cced8d02d9228b0b5adcca55565_cryptolocker_elex.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-11-01_8d898cced8d02d9228b0b5adcca55565_cryptolocker_elex.exe
Resource
win11ltsc2024-20260911-en
7 signatures
150 seconds
General
- Target 2026-11-01_8d898cced8d02d9228b0b5adcca55565_cryptolocker_elex.exe
- Size 34KB
- Sample261102-slvdpsaz31
- SHA256 379b74f663713ac89e0e7cb367a7411eec9481515f8594ca5868f762bab39d2c
- MD5 8d898cced8d02d9228b0b5adcca55565
- SHA1 bf1bed58479801e87d425e49000bdecedc01edb3
- SHA512 36ea15820dba41560086762966009ba0dbb2511a047e64804cb63c4355ac48e655e703be60906bd0d8fd1643a9dcf314c5eedfef3bb50e8dd3a3ae8e6edc3f99
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4Wmjg:vj+jsMQMOtEvwDpj5HWp
- TLSH T11AF2E8335FC50E76D2339BB694FBC682A623FD957931864D90CE37058933642A9A1D0F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00070000000113bc-11.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x00070000000113bc-11.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 5868 misid.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname misid.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain misid.exe - System Location Discovery: System Language Discovery 1 TTPs 2 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 2026-11-01_8d898cced8d02d9228b0b5adcca55565_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4100 wrote to memory of 5868 4100 2026-11-01_8d898cced8d02d9228b0b5adcca55565_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_8d898cced8d02d9228b0b5adcca55565_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_8d898cced8d02d9228b0b5adcca55565_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
PID:5868
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 34KB
- SHA256 f0ee2a5367cbc6ad8026d0c245e048d6814321e856291dc5e6ea74306bb4c1f9
- MD5 ddf67cfa8c5940f698f78fba88dd296d
- SHA1 fa594025dd8a124056fd556692cda1330f993461
- SHA512 6136a8bcf43a6b1ffe26b59919703f3bfdd04c9e1cc0d5820c3296eeef768a68dd170971f7563c5931626de1cfd7052b1e5279155e33d3d924f1eba07c2d4fe5
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4Wmjj:vj+jsMQMOtEvwDpj5HWO
- TLSH T167F2E8335FC50E76E2339BB694FBC282A623FD957931864D90CE37058933642A9A1D0F
- MD5 SHA1 SHA512 SSDEEP TLSH