Analysis
- max time kernel
148s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 14:18
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-02_6e03a043831debd3a8e5f4b00e5b8d45_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_6e03a043831debd3a8e5f4b00e5b8d45_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-02_6e03a043831debd3a8e5f4b00e5b8d45_cryptolocker_elex.exe
- Size 39KB
- Sample260802-rmcdvabp2s
- SHA256 8e9b504720487777dd2ea71018814731654b757f4571a26830f5d2791248d0af
- MD5 6e03a043831debd3a8e5f4b00e5b8d45
- SHA1 643c25b29bc52aab0a561584e401408bdc991aec
- SHA512 484dffbc67adaa503d8900ba4c60faee943145c362e2d62a9d9a7c5e4980a42ff8ca68d383eb87b864ef228c7704febb767a87df8514a63cd4fb1ba37739ffec
- SSDEEP 384:btBYQg/WIEhUCSNyepEjYnDOAlzVoGp6C0/zzodV7tkq4l8tFFxE2BodcAOjb82C:btB9g/WItCSsA5dAXwr3BGub4PnPXHke
- TLSH T1470373347FE55A72D377C5B644F3E1C2A976BC227916DA1D91CEA3480833B02EC90A1D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 2 IoCs
resource yara_rule behavioral2/files/0x000d000000016cdc-13.dat CryptoLocker_rule2 behavioral2/memory/5708-20-0x0000000000400000-0x0000000000408000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5708 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 2026-08-02_6e03a043831debd3a8e5f4b00e5b8d45_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 3452 wrote to memory of 5708 3452 2026-08-02_6e03a043831debd3a8e5f4b00e5b8d45_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_6e03a043831debd3a8e5f4b00e5b8d45_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_6e03a043831debd3a8e5f4b00e5b8d45_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3452 -
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:5708
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 40KB
- SHA256 0de1445ad75c9b8c5fc49a72225e00142a571299ea959e3f69fcffc8a6a4fe0b
- MD5 293a3615fcca68c4013a7e29834c66c4
- SHA1 349bf19fd4299bcb3064948319af7be4fa886573
- SHA512 d9b4b22ca188b341ccf2f42615b1fec3ed80ef7c585a7936f517dcf187e941ef7f63bb07e1552f12b02a76f6b437ac9020d7ef976d85ffcdfecd5161abaad76f
- SSDEEP 768:btB9g/WItCSsA5dAXwr3BGub4PnPXHkIx:btB9g/xtCSqOxGFPXHkIx
- TLSH T1290373347FE55A72D377C6B645F3E1C2A976BC227916DA1D91CEA3480833B02EC90A1D
- 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