Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260706-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/07/2026, 09:49
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-07-07_e431ab92a477e2ab55c7fd4ee8af99df_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-07_e431ab92a477e2ab55c7fd4ee8af99df_cryptolocker_elex.exe
Resource
win11ltsc2024-20260706-en
6 signatures
150 seconds
General
- Target 2026-07-07_e431ab92a477e2ab55c7fd4ee8af99df_cryptolocker_elex.exe
- Size 77KB
- Sample260707-ltf3qaez8x
- SHA256 94982f6475d19d2195ad46a5169e8a43c730c8473ef007e5723b0b4f5659ee3f
- MD5 e431ab92a477e2ab55c7fd4ee8af99df
- SHA1 b61f4639c01cb43566319e514711558fa7e4b883
- SHA512 d1e7358e7c965e72f26014241688e6af6f79bbb5b45cace96990f74dfcc42c011ca12b181c9ecd41c283798ec8281b57b5cb8b5224fc5b5eafe2f1aced777f98
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkibH:vCjsIOtEvwDpj5HGWY0Rkfs
- TLSH T10673EE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000500000000053e-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000500000000053e-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2784 misid.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 2026-07-07_e431ab92a477e2ab55c7fd4ee8af99df_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language misid.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1232 wrote to memory of 2784 1232 2026-07-07_e431ab92a477e2ab55c7fd4ee8af99df_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-07_e431ab92a477e2ab55c7fd4ee8af99df_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-07_e431ab92a477e2ab55c7fd4ee8af99df_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2784
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 77KB
- SHA256 024974c35eee217a6c33833dc4c39ae41c86716b42fd3b988a45a74cb42f1d59
- MD5 b15a5f57debba4e3929371a1eb5b042c
- SHA1 8501a7ec8c52c9540a3725657ab729ff704e2d2f
- SHA512 bf67c9fc7d9e803e9c3a208c14b508562f925fc38b0df567208f564fcfb06a7b75461e5b3c1884008a4007bc50f89bb58fc95ec3a7c3b18a1570ac5fdad9f12b
- SSDEEP 1536:vj+jsMQMOtEvwDpj5HczerLO04BGc189Y0RxKFgzkibI:vCjsIOtEvwDpj5HGWY0Rkfr
- TLSH T19C73EE396FD91672E37BDAB5CAF691C6BA75B4223D12980D40CA43440C33F56EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH