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
19/08/2026, 16:59
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-08-19_ebc0a0f6f4d624e33136c848f732b629_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-19_ebc0a0f6f4d624e33136c848f732b629_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-08-19_ebc0a0f6f4d624e33136c848f732b629_cryptolocker_elex.exe
- Size 81KB
- Sample260819-vhr6aa1vbx
- SHA256 8307d894b0ad711d6e64deec9ad82a26002eabf34b46c6f884854cee9be4632a
- MD5 ebc0a0f6f4d624e33136c848f732b629
- SHA1 c64591be1edf5b2dda88672a9f59581ecd7c4f73
- SHA512 acc2870a00001c4d0b4c2eb29f4f6e7756a92fc4ca3179346390a069bd0aa325bdbe5bdb350fe1e254bb8e74eeb9a39257dfc41e7614fd10d41566da43a9146c
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfrV/6Ew:lj+VGMOtEvwDpjubwQEI8UDVm
- TLSH T15B83BC386FE91672E3BBCAB5D6F641C2B975B8223D12980D40DA53440C33F56EDB1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/3340-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/3340-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000700000001b884-14.dat CryptoLocker_rule2 behavioral2/memory/700-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/700-21-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/3340-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/3340-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000700000001b884-14.dat CryptoLocker_set1 behavioral2/memory/700-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/700-21-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/3340-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3340-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000700000001b884-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/700-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/700-21-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 700 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 2026-08-19_ebc0a0f6f4d624e33136c848f732b629_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 3340 wrote to memory of 700 3340 2026-08-19_ebc0a0f6f4d624e33136c848f732b629_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-19_ebc0a0f6f4d624e33136c848f732b629_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-19_ebc0a0f6f4d624e33136c848f732b629_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3340 -
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:700
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 81KB
- SHA256 f443626bf6fa8d0e1e6a80d628207da5839b5596619b639648a95cf605cd40a9
- MD5 4ce6252c4170084e0c7b574fe6562745
- SHA1 1531f1f58dec23b0c5da505c20f44d843c621dd5
- SHA512 b3dcf9b7dfcf93501d72b0eb8a761524cc9a62987d128e86698c3196174c7b74a2f9ebe04ed5597ba301f1403e81bc9927fce05a1b2ac844641779737194a1cd
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfrV/6Ee:lj+VGMOtEvwDpjubwQEI8UDV4
- TLSH T10683BC386FE91672E3BBCAB5D6F641C2B975B8223D12980D40DA53440C33F56EDB1A1E
- MD5 SHA1 SHA512 SSDEEP TLSH