Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/07/2026, 09:24
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-27_9d703a5c17868f79aa7a3834ccb5e163_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-27_9d703a5c17868f79aa7a3834ccb5e163_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-27_9d703a5c17868f79aa7a3834ccb5e163_cryptolocker_elex.exe
- Size 42KB
- Sample260727-ldbhasac25
- SHA256 7894208b6c00e27d4ebfc683352e78fc58d0a1180cd280213c4bff8762e740fe
- MD5 9d703a5c17868f79aa7a3834ccb5e163
- SHA1 dccd0579c9a7aeff24639cbee119564ba7b591bf
- SHA512 db082eeb71957029b55148dd8239e08c20d385ac1a20f981f173615e8729e292cb563462c5907f133fa496f96805c0794cfa3581e3bc7979fdc777cc46e47a68
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCe:bgGYcA/53GAGgIvFv
- TLSH T1FF1374387FE62972E37BDFB586F691C27975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4256-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000600000001b6f0-13.dat CryptoLocker_rule2 behavioral2/memory/4680-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4680-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4680 hasfj.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 2026-07-27_9d703a5c17868f79aa7a3834ccb5e163_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4256 wrote to memory of 4680 4256 2026-07-27_9d703a5c17868f79aa7a3834ccb5e163_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-27_9d703a5c17868f79aa7a3834ccb5e163_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_9d703a5c17868f79aa7a3834ccb5e163_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4256 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4680
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 42KB
- SHA256 520467ee8a98e7f1dd218467a4a3b44379b2c4558aea7df51f097d9692197fa0
- MD5 f1b33ed009df93091f3c5fb07cf65a9a
- SHA1 1e5b9c5ea414180b6416ebb43a77c0539337a057
- SHA512 63112ce099a0ce82ce2e848c92264ce9ac210d57c65de9c069832f63ec163ff156ecd4ee4ab1de0ccb59e0328b361c857e87801a91200816eaf15cfda7dc7764
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCW:bgGYcA/53GAGgIvFf
- TLSH T1BF1374387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH