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, 01:21
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-07-27_cbc9fba65278a0a9d66d84add7705d7b_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-27_cbc9fba65278a0a9d66d84add7705d7b_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-07-27_cbc9fba65278a0a9d66d84add7705d7b_cryptolocker_elex.exe
- Size 42KB
- Sample260727-bqv3csgh35
- SHA256 3f95a189a66ac9a0f41cf6d9e398ad8cd79b451bd4b459c4325f06c6e9a5e5d4
- MD5 cbc9fba65278a0a9d66d84add7705d7b
- SHA1 3e049553ae5a7dc25bbdf7ef5183ec5da9a04de6
- SHA512 906c55b5e5192b32bbeda47d4aa0094f00b921d897218eacdd1b63bd9d7ac5d09189d8d4674841735fbd3b15b43a01fc50e240080d367616de67649585f3c000
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCN:bgGYcA/53GAGgIvFY
- TLSH T1971374387FE62972E37BDFB586F691C27975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/3080-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000f000000016cb6-13.dat CryptoLocker_rule2 behavioral2/memory/4536-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4536-20-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4536 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_cbc9fba65278a0a9d66d84add7705d7b_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 3080 wrote to memory of 4536 3080 2026-07-27_cbc9fba65278a0a9d66d84add7705d7b_cryptolocker_elex.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-27_cbc9fba65278a0a9d66d84add7705d7b_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-27_cbc9fba65278a0a9d66d84add7705d7b_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3080 -
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:4536
-
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 e77127586d5a14f122c39eb50d7f85915e2ec64f161792418fc239c3870e290f
- MD5 d8c19e3e295a6077a9a698e3fbba7b86
- SHA1 f111460d847ac9a01d1e9c8058eaeef2ca3a1eae
- SHA512 06733ccc5ca20a81cc3285774230a9c09f25c7d046f0e2ca2d74fe31bdd5dd805a278cc93f7ac08dbf00dab43d6ecd192759b9328dd8d2399cae7446af8b9a3c
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCX:bgGYcA/53GAGgIvFm
- TLSH T1E41374387FE62972E37BDFB586F691C67975B8223D16880D40CA53844833F65DCA1A0E
- MD5 SHA1 SHA512 SSDEEP TLSH