Analysis
- max time kernel
150s - max time network
149s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 03:03
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-02_6a5bda3c6cb4838d50dcd3bb463f0869_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_6a5bda3c6cb4838d50dcd3bb463f0869_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-02_6a5bda3c6cb4838d50dcd3bb463f0869_cryptolocker_elex.exe
- Size 1.0MB
- Sample260802-dkakkscc79
- SHA256 cdaf25ba034a5745c2fcab0b018ba75e435c31fe04689fc74072af6cc9ed9e58
- MD5 6a5bda3c6cb4838d50dcd3bb463f0869
- SHA1 94d506f7aef7bf1bb5e235e525c6f1a5bec3d018
- SHA512 cb2ae36dc4704393abdb1ea2d5a61acbd724e147356bb4da90d19973cedd088809caf0442f069aa2209ffa6ecaa82cb3e4ab9d53ceaa2ed906baf66cc00af4fb
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqd:bGbvflT/ZFIjBzhxwOgXKarY1iBE
- TLSH T1212509BE74972645FE624C307FECF660DB57287ACB6BDAF24595A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/2424-8-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000a000000011390-13.dat CryptoLocker_rule2 behavioral2/memory/4696-18-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4696-20-0x0000000008000000-0x0000000008022000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4696 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 2026-08-02_6a5bda3c6cb4838d50dcd3bb463f0869_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 2424 wrote to memory of 4696 2424 2026-08-02_6a5bda3c6cb4838d50dcd3bb463f0869_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_6a5bda3c6cb4838d50dcd3bb463f0869_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_6a5bda3c6cb4838d50dcd3bb463f0869_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424 -
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:4696
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 1.0MB
- SHA256 63d6f6f9e074e7f357bfbdba64b4034e6fe8b414983327bc5c755e26c3615afa
- MD5 cd8617eca5f0ae15394fc48a1da6f1b4
- SHA1 9d6cafd92505190a190213aecacae01c4cd2321b
- SHA512 f67068114a55a4b6ab5c7be1cc4614c2aabb67cab813a205d2f7d6af76bc36620915840b34531166b3179649ff9d0bfe71bec3d33fa15a384fc469c8c365ea27
- SSDEEP 12288:bGbEnOflT/ZFIjBz3xjTxynGUOUhXfSAkVH/CrYQIUMkDmndJmzS+OAPqT:bGbvflT/ZFIjBzhxwOgXKarY1iBe
- TLSH T14C2509BE74972645FE624C307FECF660DB57287ACB6BDAF24195A0301A210D2FC62817
- MD5 SHA1 SHA512 SSDEEP TLSH