Analysis
- max time kernel
150s - max time network
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260617-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
28/06/2026, 22:13
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-06-28_60d25b1ee107a4cc45f0acc97b54ce52_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-28_60d25b1ee107a4cc45f0acc97b54ce52_cryptolocker_elex.exe
Resource
win11ltsc2024-20260617-en
6 signatures
150 seconds
General
- Target 2026-06-28_60d25b1ee107a4cc45f0acc97b54ce52_cryptolocker_elex.exe
- Size 4.6MB
- Sample260628-15agmsfs4t
- SHA256 723466a601f557d96c8bfe67d09daf2b9d17886b68226f41c818760d0b3369fd
- MD5 60d25b1ee107a4cc45f0acc97b54ce52
- SHA1 a72ed7f04ba03a8cb8112331eb7aaeee2142352a
- SHA512 907ab1f9f7b64feb1d4d7df02616df15c57fc355e55aca275263b4b410524c6e08c5e882cd096b6e7f88d695fe50635acdf6f7696142feeb023c1a6fd2305f22
- SSDEEP 98304:uR/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTe:w/ZFIjBzF/ZFIjBzPEUuse
- TLSH T1B2263C5BA8E650A4C8FAD8348BE9E223FF633459473577E31BA091601F25BD0F8B9711
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/904-9-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x0006000000016b4b-13.dat CryptoLocker_rule2 behavioral2/memory/4848-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4848-20-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule behavioral2/files/0x0006000000016b4b-13.dat INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 4848 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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-06-28_60d25b1ee107a4cc45f0acc97b54ce52_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 904 wrote to memory of 4848 904 2026-06-28_60d25b1ee107a4cc45f0acc97b54ce52_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-28_60d25b1ee107a4cc45f0acc97b54ce52_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-28_60d25b1ee107a4cc45f0acc97b54ce52_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:904 -
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:4848
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 4.6MB
- SHA256 8412410b1ad53853bb090de4b665c351aec27d8a425748553e39844a02bf97a7
- MD5 2b6a132bc715dd96f3951fac9619beb6
- SHA1 ea92c4c30e0b3aceeee08ed76df4d5160f3ef751
- SHA512 f48a490317686d5ae2b019064fba443cb904f2bad468044de7646a942903846230760376a1b77627303f2ebad0d491030d558530033589ec15577af2e09ca826
- SSDEEP 98304:uR/ZFIjBzldUfs/ZFIjBz7jSZD1tU7ymTr:w/ZFIjBzF/ZFIjBzPEUusr
- TLSH T1C2263C5BA8E650A4C8FAD8348BE9E223FF633459473577E31BA091601F25BD0F8B9711
- MD5 SHA1 SHA512 SSDEEP TLSH