Analysis
- max time kernel
150s - max time network
131s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/08/2026, 03:22
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-27_e8054a0a122d49c190ef9a14fa7bcf36_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-27_e8054a0a122d49c190ef9a14fa7bcf36_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-27_e8054a0a122d49c190ef9a14fa7bcf36_cryptolocker_elex.exe
- Size 71KB
- Sample260828-dxep3ashle
- SHA256 13069c16da7e41645c77dfc932950824ebf571cbdf0fa403598fdaca48c0e55d
- MD5 e8054a0a122d49c190ef9a14fa7bcf36
- SHA1 53cc9ca14d2045d23fa13f4a472ccf9261e7207c
- SHA512 fd39d9f728ed0ed2eee3dffa1a089dd89b7e9fd2610c79be9327626983f593dbfa5b40ce9cea0f02d31ce1ef83ce3075e6e084798ddbbdfd96d84d0269371027
- SSDEEP 768:be89g/WItCSsAGjXa7IESOcWNEhxQYsloEUYdW2EtwDsznqHDe9N8w/:be89g/xtCSKxcNGQYAoafewIbQSfD
- TLSH T17363D635BFD50B72D37342B215F7A1C2BA2ABC323616C95D918EA30D0573F19A9B1A0D
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 3 IoCs
resource yara_rule behavioral2/files/0x0007000000011394-13.dat CryptoLocker_rule2 behavioral2/memory/2176-20-0x0000000000400000-0x000000000040D000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2176-22-0x0000000000400000-0x000000000040D000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2176 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 2026-08-27_e8054a0a122d49c190ef9a14fa7bcf36_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 1612 wrote to memory of 2176 1612 2026-08-27_e8054a0a122d49c190ef9a14fa7bcf36_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-27_e8054a0a122d49c190ef9a14fa7bcf36_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-27_e8054a0a122d49c190ef9a14fa7bcf36_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612 -
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:2176
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\gewos.exe
- Size 71KB
- SHA256 cf63bfa14bfc8aa3543c873fae737e6c275215036d09d8fec0964f214277c711
- MD5 f57632227323b31b43976f5f3e2ed1de
- SHA1 1e8a33a53de843805d2710ed4643ba8709c7a5ec
- SHA512 3af00f89cc4d5bda80d4088c14303b0e3a0ab7db5ede7dcf16ca9839be154895a26164c8f3ec5cd5d2b702f841ce9018622335dc09539d651306189bd58b5034
- SSDEEP 768:be89g/WItCSsAGjXa7IESOcWNEhxQYsloEUYdW2EtwDsznqHDe9N8wTV:be89g/xtCSKxcNGQYAoafewIbQSf1
- TLSH T1C263D635BFD50B72D37342B215F7A1C2BA2ABC323616C95D918EA30D0573F19A9B1A0D
- 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