Analysis
- max time kernel
149s - max time network
154s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 00:52
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-01_45dd6285a60dcc8f12ad48eb7c43a93a_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-01_45dd6285a60dcc8f12ad48eb7c43a93a_cryptolocker_elex.exe
Resource
win11ltsc2024-20260710-en
7 signatures
150 seconds
General
- Target 2026-08-01_45dd6285a60dcc8f12ad48eb7c43a93a_cryptolocker_elex.exe
- Size 40KB
- Sample260802-a77xtaaq9w
- SHA256 fd5991531d730f6e255d925edd5d4635ae94430d5beb8b61472505c5c23597bc
- MD5 45dd6285a60dcc8f12ad48eb7c43a93a
- SHA1 1d2a0eb98d8aaa315d53482d809242798f20d0f9
- SHA512 6da151ecc6eb7b4607d6a2615b80ebb279d94576f19b6ddcd35eab9ac03b7b9a98c791c9e306e0af6f903a0d337b0fe26e7d13fae3e42f331a4683b49b263143
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBVE:lj+VGMOtEvwDpjoNMpBVE
- TLSH T14213E736AFC51932D2779B7195FB8282B626BC563D31990E918B33054D33B02EDA1D2F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/4776-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4776-9-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000e00000001c40b-14.dat CryptoLocker_rule2 behavioral2/memory/4168-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4168-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/4776-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4776-9-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000e00000001c40b-14.dat CryptoLocker_set1 behavioral2/memory/4168-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4168-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/4776-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4776-9-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000e00000001c40b-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/4168-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4168-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 4168 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 2026-08-01_45dd6285a60dcc8f12ad48eb7c43a93a_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 4776 wrote to memory of 4168 4776 2026-08-01_45dd6285a60dcc8f12ad48eb7c43a93a_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-01_45dd6285a60dcc8f12ad48eb7c43a93a_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-01_45dd6285a60dcc8f12ad48eb7c43a93a_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4776 -
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:4168
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 40KB
- SHA256 4ade60ad462639874a00d3547729da11349ee6991bc771469babf3c0d20ca8ac
- MD5 1e541362f89b9d434e0cb63d411e8ded
- SHA1 0a4bff67878cc391e21442d9d33d376c71bce2da
- SHA512 5be09640e51084bb9794ec1e587792cbd566e38a02d8d02b4dfd22c8aa9d0efb8411642358f829452134fdd6ef2d5a5260248d98f2c2471bcd4658e4e8a1560e
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBVs:lj+VGMOtEvwDpjoNMpBVs
- TLSH T13213D736AFC51532D2779B7195FB8282BA26BC563D31990E918B33054D33B02EDA1D2F
- MD5 SHA1 SHA512 SSDEEP TLSH