Analysis
- max time kernel
148s - max time network
132s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
23/07/2026, 01:45
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-22_7b11231d95f1f674509425ab89b71bbd_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-22_7b11231d95f1f674509425ab89b71bbd_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-22_7b11231d95f1f674509425ab89b71bbd_cryptolocker_elex.exe
- Size 36KB
- Sample260723-b6e13st1e1
- SHA256 64046afcbc9f38c3daf0b73b8fd2366db7c89e9b3e6f793323b1f320bc4845a9
- MD5 7b11231d95f1f674509425ab89b71bbd
- SHA1 ae18d51f01d92487b106fb957fb26ff811757c60
- SHA512 a1f74e041304b4a3eb421bbc533906f68bba06859263a4e48aa8915965eb39d6386194dd5c45d7d68c3c738aa6131f4e5770b57fbf7c66e421b0cf0222b828c0
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVoGp6C0/zzodV7tkq4l8tFFxE2BodcAOjb82E:btB9g/WItCSsA5dAXwr3BGub4n+jW
- TLSH T11D03A4347FE54E72D337C57544F7E1C2AA66BD227916CA1E928BB3490873B02EC50A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000600000001b85f-13.dat CryptoLocker_rule2 behavioral2/memory/4348-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4348 gewos.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 2026-07-22_7b11231d95f1f674509425ab89b71bbd_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3276 wrote to memory of 4348 3276 2026-07-22_7b11231d95f1f674509425ab89b71bbd_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-22_7b11231d95f1f674509425ab89b71bbd_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-22_7b11231d95f1f674509425ab89b71bbd_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3276 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4348
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 37KB
- SHA256 0187fc67fef14dd9a27761f048c6340ac7fe2bc3785e6098d83b5aed0f0fa5a1
- MD5 c5e51b4fb7b324d57e81e436ec238ea7
- SHA1 6e027d69a6a272370ba6eb548b8592fef1dec24c
- SHA512 6b436215457bff6e966f5b532999113437015e1dbadf0f874dfd281f6608b96346fbfc3dd847d8bef67d4f53e0b055666e9dff929eb7973e5775c0a71f846475
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVoGp6C0/zzodV7tkq4l8tFFxE2BodcAOjb82d:btB9g/WItCSsA5dAXwr3BGub4n+jz
- TLSH T15F0394347FE54E72D337C57544F7E1C2AA66BD227916CA1E928BB3490873B02EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
- Path C:\Users\Admin\AppData\Local\Temp\gewosik.exe
- Size 4B
- SHA256 042aea10a0f14f2d391373599be69d53a75dde9951fc3d3cd10b6100aa7a9f24
- MD5 6de9439834c9147569741d3c9c9fc010
- SHA1 38170c08cb458fd4879c34b6f608294c50312bbb
- SHA512 be665179a17ceb7800fa02e7f44c9bcac7cc2715057c3c9e534cac6346f65a71996850dcef24082ea70ad550bc390221d10b80512bfa1b5b9e390d68e69ac98a
- MD5 SHA1 SHA512