Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
19/07/2026, 03:05
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe
- Size 41KB
- Sample260719-dlgqaadt21
- SHA256 dbfcfe3069f88c12dbaa9a26d96ac07e64e653b735f6491b62d108bd12986fd0
- MD5 badc297b2fd0b96f05e9ac9e1cb08ded
- SHA1 1071e602a9422f52f5c32a5c9ec7324ab066414b
- SHA512 ab6809fd545f9b090fbd8b6083eed4df36840c2b033a4bbaf376fe9490311d5b4389f96d4d3d0915ea188dae8c042ac1bb793e375fe0c67268752152f4977033
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCs:bgGYcA/53GAGgIvFB
- TLSH T1441384387FE62972E37BDFB586F691C27975B8223D16880D44CA53844833F66DC91A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral1/memory/5048-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x0008000000024410-13.dat CryptoLocker_rule2 behavioral1/memory/3828-17-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/memory/3828-19-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1788976790-1541110888-1636651838-1000\Control Panel\International\Geo\Nation 2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 3828 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 2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_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 5048 wrote to memory of 3828 5048 2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-19_badc297b2fd0b96f05e9ac9e1cb08ded_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5048 -
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:3828
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 41KB
- SHA256 1111e08e92899b489a8bad7890ecc55c3a61196f51da072324f20537137cc621
- MD5 e797f42fdcb224c1aea5afb606988fa2
- SHA1 4eaafde0d9130663ec04786177bf69a578f1bf56
- SHA512 e3b2e86892ec4ed62bd818cd9019fa6474db0ebbcdf57c5d82cc18aab9dceba8f62c11e0c52aba4795ae28a98a3cdeb54f60874a4b1e840252b7479afcca56cf
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCDk:bgGYcA/53GAGgIvFqk
- TLSH T1451384387FE62972E37BDFB586F691C2B975B8223D16880D44CA53844833F66DC51A0E
- MD5 SHA1 SHA512 SSDEEP TLSH