Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
31/08/2026, 09:37
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-30_75c1e371b7c739ac25915d7d83c64eba_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-30_75c1e371b7c739ac25915d7d83c64eba_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-30_75c1e371b7c739ac25915d7d83c64eba_cryptolocker_elex.exe
- Size 32KB
- Sample260831-lltzlsff84
- SHA256 fdcb02ea2aee7f98884309c7370cbb43226832d301409a3d94ff038b142a90fd
- MD5 75c1e371b7c739ac25915d7d83c64eba
- SHA1 7b16b6d35fea526e545659c964fd84fccc334afd
- SHA512 2a5c75ce8fb6d66d4e694b1d30ad3e5bb59a7a850931263dfd02bb62435b67e92a1929fa2b07522ca2cecfd9009c5f8a0324291d75e7e380adc91fe48dde0765
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjb32:btB9g/WItCSsAGjX7r3BGub32
- TLSH T120E2D7317FE55EA2D13380B604F3E1C2AA66BD617517CA2EA7CFB34D0572702E88091D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral1/files/0x000600000001e6bc-13.dat CryptoLocker_rule2 behavioral1/memory/3696-18-0x0000000000400000-0x0000000000408000-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-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation 2026-08-30_75c1e371b7c739ac25915d7d83c64eba_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 3696 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 2026-08-30_75c1e371b7c739ac25915d7d83c64eba_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 5228 wrote to memory of 3696 5228 2026-08-30_75c1e371b7c739ac25915d7d83c64eba_cryptolocker_elex.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-30_75c1e371b7c739ac25915d7d83c64eba_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-30_75c1e371b7c739ac25915d7d83c64eba_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5228 -
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:3696
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 32KB
- SHA256 171269e1d74cfb2cc74519988113640acada4007e2236ea4484b402530961740
- MD5 6caa68956c993fbcd35e75098d573951
- SHA1 7e876fd97166dc9358df23478e1f403ea2418446
- SHA512 d1988c73a0c0adbab7803c2ca44685c46d0a9a7bb6804808343d309c6fb58b31108e75d431bd6702e4e358e890568965c8748775ae87958efcca8bc19ee2c6ff
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjb3T:btB9g/WItCSsAGjX7r3BGub3T
- TLSH T19CE2D7317FE55EA2D23380B614F7E1C2AA66BD617517CA2EA7CFB34D0572702E84091D
- MD5 SHA1 SHA512 SSDEEP TLSH