Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
11/07/2026, 07:51
Static task
static1
4 signatures
Behavioral task
behavioral1
Sample
2026-07-11_12c0874d6aec739d0053de6e60e0b6a2_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-07-11_12c0874d6aec739d0053de6e60e0b6a2_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target 2026-07-11_12c0874d6aec739d0053de6e60e0b6a2_cryptolocker_elex.exe
- Size 43KB
- Sample260711-jp5jead18k
- SHA256 cd235a6a6f30fe2ff07da48a5daf8d8b778939aaab201fd610cb722b7de0c96f
- MD5 12c0874d6aec739d0053de6e60e0b6a2
- SHA1 1f4019b3482d30dabad30aa69d204f7716bb67ae
- SHA512 c16ddf724d2f8f5ba05d54daa03c78f34a2e216b090103516821f93cfeaa089355a078f5c985e3ba0694b5695690785ba0cb5589ec6069ee4753bee4fb631ac8
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4GJ:lj+VGMOtEvwDpjoNMpBaGJ
- TLSH T10B13B6366FC51932D3779B7595FB82C2BA66BC563C31990E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 5 IoCs
resource yara_rule behavioral2/memory/1252-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1252-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000b00000001b844-14.dat CryptoLocker_rule2 behavioral2/memory/1848-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 behavioral2/memory/1848-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 5 IoCs
resource yara_rule behavioral2/memory/1252-0-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/1252-3-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000b00000001b844-14.dat CryptoLocker_set1 behavioral2/memory/1848-19-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 behavioral2/memory/1848-27-0x0000000000500000-0x0000000000510000-memory.dmp CryptoLocker_set1 - Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/1252-0-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/1252-3-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000b00000001b844-14.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/1848-19-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/1848-27-0x0000000000500000-0x0000000000510000-memory.dmp INDICATOR_EXE_Packed_MPress - Executes dropped EXE 1 IoCs
pid Process 1848 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 2026-07-11_12c0874d6aec739d0053de6e60e0b6a2_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 1252 wrote to memory of 1848 1252 2026-07-11_12c0874d6aec739d0053de6e60e0b6a2_cryptolocker_elex.exe 87
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-07-11_12c0874d6aec739d0053de6e60e0b6a2_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-07-11_12c0874d6aec739d0053de6e60e0b6a2_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252 -
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:1848
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 43KB
- SHA256 3ea5085b02fdd2f216c761d761ab891c03c94b388ba57d74ed8e06b17eb6ef35
- MD5 b0dde76b8a914bbc825b0f1770db5822
- SHA1 ffcd6e96034050e688d00a76280017a0921ecc68
- SHA512 26c9f682b1f7b25d9365cc75c14e8935ea8bd555dac2bd26533ba9c7bee93c34f9bfa7fceffc5705f58cc43efd67efead052ff094bf302fb9bfe04d99c380adf
- SSDEEP 768:lQz7yVEhs9+4uR1bytOOtEvwDpjWpN+Mw5XBN4Gh:lj+VGMOtEvwDpjoNMpBaGh
- TLSH T13F13A5366FC51532E3779B7595FB82C2BA66BC563C31990E918A33054C33B02EDA1E1E
- MD5 SHA1 SHA512 SSDEEP TLSH