Analysis
- max time kernel
148s - max time network
151s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
07/08/2026, 01:55
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-07_29944ebeea743da834c3626fcf5c3153_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-07_29944ebeea743da834c3626fcf5c3153_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-07_29944ebeea743da834c3626fcf5c3153_cryptolocker_elex.exe
- Size 39KB
- Sample260807-cb9smsvhqa
- SHA256 4496ebbc8c6ffd5a2ed4d9d46156627c5ec7cde647cbf7a10a98c37e1e036275
- MD5 29944ebeea743da834c3626fcf5c3153
- SHA1 323c0432fe0e7a6e488c73547b2d08f85e808337
- SHA512 d00a957d267d8d36d9126e41a0af30353eb89862dccd4273cb02dc3bd917c46d2c9300f9c3fb0ae044eaa02cd44602c8b8468319a3c0a2bbb82e74c222e0d16d
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfcOj1i:lj+VGMOtEvwDpjcRjc
- TLSH T15D030832AFC51522E2379B7199FBC282BB67BC563C31550E958A33054D33B42ADA1E1F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4900-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/4900-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b884-14.dat CryptoLocker_rule2 behavioral2/memory/5116-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/4900-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/4900-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000700000001b884-14.dat CryptoLocker_set1 behavioral2/memory/5116-26-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 4 IoCs
resource yara_rule behavioral2/memory/4900-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4900-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000700000001b884-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/5116-26-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 5116 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 2026-08-07_29944ebeea743da834c3626fcf5c3153_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 4900 wrote to memory of 5116 4900 2026-08-07_29944ebeea743da834c3626fcf5c3153_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-07_29944ebeea743da834c3626fcf5c3153_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-07_29944ebeea743da834c3626fcf5c3153_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900 -
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:5116
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 39KB
- SHA256 364227cffdb5dc35782627c4548939bb194bf3c0bb41b5234c24f16d603155a6
- MD5 92fd2cb3c15543f16d00d7dcded80d16
- SHA1 182a71f65e8eace94ef655dc2ec5e64e86dc8456
- SHA512 0cee8b8bb2ee89d06212a56983ffcf759b11708622180a6a49ee61cf453c206abe2c4eb16c455d006796930972f84850c97a7ade69954a4b75cc5c1d6d63659a
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfcOj10:lj+VGMOtEvwDpjcRjq
- TLSH T194030832AFC51522E2379B7199FBC282BB66BC563C31550E958A33054D33B42ADA1E1F
- MD5 SHA1 SHA512 SSDEEP TLSH