Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
31/07/2026, 15:01
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe
- Size 52KB
- Sample260731-sd8lcsam5w
- SHA256 195e5f208d8a4697037f14c283f216faa4009156b523f5bba5bd9bde70eb87f9
- MD5 0a892cfadb238598df0f1d6ca4a8b5b1
- SHA1 397727fe327725772abfcb7a8ff60906865b7c55
- SHA512 4e0c18545732705c5c61ea68755f3c846a524666d074263899942a13189de612b3d67ce0f3deffab3c24bfd251e29d2caae924010285757d7377b47ac57a9391
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXQ1J1ycR8:bgGYcA/53GAGgIvFW178
- TLSH T1E33311387BE52932E37BDFB586F691C6B935B8223D16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3208-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000d00000001c50c-13.dat CryptoLocker_rule2 behavioral2/memory/2380-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/2380-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 2380 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 2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_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 3208 wrote to memory of 2380 3208 2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-31_0a892cfadb238598df0f1d6ca4a8b5b1_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3208 -
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:2380
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 52KB
- SHA256 995b84e4496ba964005459b6c128039472bd62e23c137ebe40a17c2c946a53ca
- MD5 6027221d9db6f405bd896c0ec7fe7956
- SHA1 d343002d56b861446747fc91172d10a70e8b602a
- SHA512 6f9af01e84dd653fdcdf589324faad1c0b41af247b354c81579023d92d9853bdeb7654fc3a23553194dcf93c1fe56dd7770a5fc0a007da3cccce3af188dbcd3f
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXQ1J1ycRvo:bgGYcA/53GAGgIvFW17Q
- TLSH T1223311387BE52932E37BDFB586F691C6B935B8223D16D80D40DA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH