Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260629-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/07/2026, 22:42
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-02_8074b96d56b1b1439d1e2234c676390b_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-02_8074b96d56b1b1439d1e2234c676390b_cryptolocker_elex.exe
Resource
win11ltsc2024-20260629-en
5 signatures
150 seconds
General
- Target 2026-07-02_8074b96d56b1b1439d1e2234c676390b_cryptolocker_elex.exe
- Size 41KB
- Sample260702-2m4hfacx7j
- SHA256 275ec6765224822f6cd349ffad5a8af6ffd582e4b6363c7fbc68ea82f98bc1df
- MD5 8074b96d56b1b1439d1e2234c676390b
- SHA1 ae679428d95826450798d2973bd336250e992036
- SHA512 95006a7e836330f9c0cc9bb67c6d65dc930cdf56b7358b13ab304ff2d9c0f389b5c51034399537a39bc17551994bfe3b26411376d3f5b13bfcd7646c7a32b969
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVoGp6C0/zzodV7tkq4l8tFFxE2BodcAOjb82p:btB9g/WItCSsA5dAXwr3BGub4PnPXHS/
- TLSH T11B1374347FE55A72D377CAB545F3E1C2A976BC227912DA1D91CEA3480833B06EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000b000000006938-13.dat CryptoLocker_rule2 behavioral2/memory/5152-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5152 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 2026-07-02_8074b96d56b1b1439d1e2234c676390b_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 6004 wrote to memory of 5152 6004 2026-07-02_8074b96d56b1b1439d1e2234c676390b_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-02_8074b96d56b1b1439d1e2234c676390b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-02_8074b96d56b1b1439d1e2234c676390b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6004 -
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:5152
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 41KB
- SHA256 6a41b8e9682f515f1f85559d0b10732e616aa742368dd566f38a410c1bdc4c04
- MD5 5ade796da469c380838abc7401aacec4
- SHA1 9fa2ed7dff1d7aa26ecfa4a37f3baedf2b6e2fac
- SHA512 cc35f4c2c344f77f53d73398e97988339c012c16929612afb4b6a234ad1d0d595e38f193f74791e83ba058455eb3a384d2d657c2f384d8bc0003b7a900907e3e
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVoGp6C0/zzodV7tkq4l8tFFxE2BodcAOjb82G:btB9g/WItCSsA5dAXwr3BGub4PnPXHSM
- TLSH T15E1374347FE55A72D377CAB545F3E1C2A976BC227912DA1D91CEA3480833B06EC90A1D
- 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