Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/09/2026, 02:30
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
5 signatures
150 seconds
General
- Target 2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe
- Size 38KB
- Sample260909-cy6pha1aqa
- SHA256 bb38501a82d3c7710bfa1ce79115f2a21ba56590757717be79e83686f4ae49cf
- MD5 47d84b8eb4a43d71f87c8a38f20d5e75
- SHA1 ce3b06dcff106711d52dcec23bd815186ef217f8
- SHA512 077ae2734b90adf04615831700ed435323981ef43ffe67ab413d67a0f6bb77e34101e761a72701aeb4091f934607bd90bf6609ad28aba61d1123f21518995c85
- SSDEEP 768:bdDOw9Uiaw8fjR0S16avdrQFiLjJvtXsg:bdDOw9aN+oc+vXsg
- TLSH T140034138AEE52972E3B7EAB595F751C6F874B8123E15480E94CB53840823F57FCA160E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral1/files/0x00040000000232a4-13.dat CryptoLocker_rule2 behavioral1/memory/3024-18-0x0000000008000000-0x0000000008009000-memory.dmp CryptoLocker_rule2 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3053180483-1881419501-3594244048-1000\Control Panel\International\Geo\Nation 2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 4496 lossy.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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 2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lossy.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3024 wrote to memory of 4496 3024 2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-07_47d84b8eb4a43d71f87c8a38f20d5e75_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024 -
C:\Users\Admin\AppData\Local\Temp\lossy.exe"C:\Users\Admin\AppData\Local\Temp\lossy.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4496
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\lossy.exe
- Size 38KB
- SHA256 81db23b993b6d853de0b1289d83526e7d650d4a8568571261f8162f18de4f866
- MD5 c1ba5738d3f21c8d4519b9f9500eaf40
- SHA1 0a520858dbd1ac67dfdb416a88bd2a87fba10fad
- SHA512 a6e6349035d97ad4ee5c2d5de0ff8f922b60909d5f8212b1ced07449c83e54dcc6d536f3aab7e357779a64ae61c13c867afd5f2088a33ab27f3806c6ba4b6670
- SSDEEP 768:bdDOw9Uiaw8fjR0S16avdrQFiLjJvtXs+:bdDOw9aN+oc+vXs+
- TLSH T1FE033038AEE52972E3B7EAB595F751C6F874B8123E15480E94CB53840823F57FCA160E
- MD5 SHA1 SHA512 SSDEEP TLSH