Analysis
- max time kernel
148s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
08/08/2026, 11:40
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-08_85fdb560851df0fe7a4d814e9c049be3_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-08_85fdb560851df0fe7a4d814e9c049be3_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-08_85fdb560851df0fe7a4d814e9c049be3_cryptolocker_elex.exe
- Size 67KB
- Sample260808-ns4hqsdc74
- SHA256 5a90ce596f69b6390b5f049cca158625c5e6765fc89d40d1b726bab1382fbe12
- MD5 85fdb560851df0fe7a4d814e9c049be3
- SHA1 3ee6b102ba8fc87a72120c99ba81e4bcd7fc5c50
- SHA512 2c76b8b0165be481cbf9cdc23c3da110dd8858ad56fa53ed5b31c206253a289f9d619eb355586e67b0808527ff83588cb447a7738848c202313e504da0a82f7d
- SSDEEP 768:bYv9g/WItCSsAGmXWhaI9cZnIe9N0hunrknljKrCY1K3orW+/T:bYv9g/xtCSDx6A7f1rksrx1ZrW2T
- TLSH T19B6353387FE51A72E337CAB685F791C2B935B8227906991D50CF53480833F56EDA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000c00000001af5c-13.dat CryptoLocker_rule2 behavioral2/memory/4528-20-0x0000000000400000-0x000000000040C000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4528 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 2026-08-08_85fdb560851df0fe7a4d814e9c049be3_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 4972 wrote to memory of 4528 4972 2026-08-08_85fdb560851df0fe7a4d814e9c049be3_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-08_85fdb560851df0fe7a4d814e9c049be3_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-08_85fdb560851df0fe7a4d814e9c049be3_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4972 -
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:4528
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 67KB
- SHA256 154724a3249e8e2691666b04477c3b7edee5d9c3c2ff341fbe720cea922599c1
- MD5 617af9e78bbbc75b1ecb1914d58f6abf
- SHA1 838819b6cd1152400e968cc8e36ab14a0026e7ea
- SHA512 946f34009b2114f35e6d091b93845c3aa9484a71fbc746eccd668fdaf211c218718e9161065e3727685ba480f139ff99b0fab60658668d22bacd7523f37322ce
- SSDEEP 768:bYv9g/WItCSsAGmXWhaI9cZnIe9N0hunrknljKrCY1K3orW+/F:bYv9g/xtCSDx6A7f1rksrx1ZrW2F
- TLSH T1FC6353387FE51A72E337CAB685F791C6B935B8227906991D50CF53480833F56EDA0A0E
- 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