Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/08/2026, 12:13
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-30_433d9afd952a0684dabfaf86d1af3bd6_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-30_433d9afd952a0684dabfaf86d1af3bd6_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-30_433d9afd952a0684dabfaf86d1af3bd6_cryptolocker_elex.exe
- Size 32KB
- Sample260831-pdzrns1emb
- SHA256 6cb86be71dfb4749835a34f4726a364f3eaa520c93f20b642bd6d4ff771c17fd
- MD5 433d9afd952a0684dabfaf86d1af3bd6
- SHA1 2e82540ecf6d7b85da2fba407841ccc391e69f29
- SHA512 b9a58b7bb30d857506b2a6af8e5a52a965a62163ab720440012a2746509bbef2518dd412ecd0096061bbb87a768625291449583477127193c133bd7240b8eec1
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjb3h:btB9g/WItCSsAGjX7r3BGub3h
- TLSH T19CE2D7317FE55EA2D13380B604F3E1C2AA66BD617617CA2EA7CFB34D0572702E88091D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/files/0x000a000000019cb8-13.dat CryptoLocker_rule2 behavioral2/memory/852-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 behavioral2/memory/852-22-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 852 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_433d9afd952a0684dabfaf86d1af3bd6_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 3012 wrote to memory of 852 3012 2026-08-30_433d9afd952a0684dabfaf86d1af3bd6_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-30_433d9afd952a0684dabfaf86d1af3bd6_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-30_433d9afd952a0684dabfaf86d1af3bd6_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012 -
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:852
-
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 d0e0ad490eb7bdb08f08c2d36c2831f598de089319a55d563db7caa9750496dc
- MD5 d54cdc5d85b0715d135b798d8c56eeb7
- SHA1 3fe1b97d7d8442c3c0c6dd3963050a48a05fe63b
- SHA512 6c410ad9cb98ed60d0a94ac11cfc22e75396654b307c9defc80831c607f3a9473e62bdb16273d269df0ae0dd4666f9f16fa74a8e5897ad7e890a6c86bc39d66b
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2BodcAOjb3i:btB9g/WItCSsAGjX7r3BGub3i
- TLSH T16AE2D7317FE55EA2D23380B614F7E1C2AA66BD617517CA2EA7CFB34D0972702E84091D
- MD5 SHA1 SHA512 SSDEEP TLSH