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
09/08/2026, 04:09
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-08-09_57fa7ce947e3a6c2660117396d73a4d9_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-09_57fa7ce947e3a6c2660117396d73a4d9_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-08-09_57fa7ce947e3a6c2660117396d73a4d9_cryptolocker_elex.exe
- Size 48KB
- Sample260809-eq1vdstvdx
- SHA256 e12f5b03ccaadd1cd5e1b8bd235919a26db2fc444fb04fdfc30f54e79f59922c
- MD5 57fa7ce947e3a6c2660117396d73a4d9
- SHA1 e6121061a996995d4324fecb34970bd34a6b9910
- SHA512 210b46f9112541f8b2f7124ac807665575538909ccc63866dfb6cd7e325e43ca98074c3c9a817f4fb8766f1a8fe4afb1cb75f5294238dc1a22015c94db92a88a
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIKJTAv:bgGYcA/53GAGgIvF9v2ZZv
- TLSH T1392345387FE66972E37BCFB586F651C6B935B8223D16980D40CA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4956-2-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000f00000001b1d0-13.dat CryptoLocker_rule2 behavioral2/memory/5808-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral2/memory/5808-26-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 5808 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 2026-08-09_57fa7ce947e3a6c2660117396d73a4d9_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 4956 wrote to memory of 5808 4956 2026-08-09_57fa7ce947e3a6c2660117396d73a4d9_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-09_57fa7ce947e3a6c2660117396d73a4d9_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-09_57fa7ce947e3a6c2660117396d73a4d9_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4956 -
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:5808
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 49KB
- SHA256 f416a00f3772f1b1d6d37e3392c36bfd0c9ff70fcc77d369ae7af9f65f9f5dd1
- MD5 c76b834c8a92a7767a378f359fc6dd6d
- SHA1 c1be6c142921654c933d1bc0b79453def69bb017
- SHA512 7e3a4db98d9addd7aa4492f7b00feb6927a20e57ec1070379d712bbe16b20903b5a41caa239f4473dca2b36d8d6f1cbe8ab27f43ef3895bc395e73cff23d3ff0
- SSDEEP 768:bgX4zYcgTEu6QOaryfjqDGgIvq3ncSpcXCAzr2ZEXIKJTAD:bgGYcA/53GAGgIvF9v2ZZD
- TLSH T1583345387FE66972E37BCFB586F651C6B935B8223D16980D40CA43844833F65DCA1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH