Analysis
- max time kernel
150s - max time network
148s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
10/09/2026, 06:34
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-09-08_33954e4dce04a36dcd7f4c0ae5b6daea_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-08_33954e4dce04a36dcd7f4c0ae5b6daea_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-09-08_33954e4dce04a36dcd7f4c0ae5b6daea_cryptolocker_elex.exe
- Size 85KB
- Sample260910-hb7aeafh77
- SHA256 1b94a1f08b4789b18a4f1f9b85d40858563c93dd9346f71164a2aa22ea5cb47e
- MD5 33954e4dce04a36dcd7f4c0ae5b6daea
- SHA1 5bd9dbd346db933928e070c466bb8b2fb38ac9df
- SHA512 142c5f821f8a9493f273b957a95df046d3f98a66608a0e14f8ed3d43bef13c8a047dd8d9103d72bb419e334b9d3f523d581778668b5ed3604fb40c6c35af4b75
- SSDEEP 768:dUz7yVEhs9+OyqZQtOOtEvwDpjm9+4U9HueDgaRWDCSMzTs9AIIyw9o:dP+OyWQMOtEvwDpjwH8u8rZVTs9AW
- TLSH T1B68397278EC42265F633C7764AFEB2B165107C927910F5DC399AFE7C5533A23A850A0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 4 IoCs
resource yara_rule behavioral2/memory/4772-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral2/files/0x000800000001b884-13.dat CryptoLocker_rule2 behavioral2/memory/4772-18-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 behavioral2/memory/120-27-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_rule2 - Detection of Cryptolocker Samples 4 IoCs
resource yara_rule behavioral2/memory/4772-0-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral2/files/0x000800000001b884-13.dat CryptoLocker_set1 behavioral2/memory/4772-18-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 behavioral2/memory/120-27-0x0000000000500000-0x000000000050B000-memory.dmp CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 120 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 misid.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-09-08_33954e4dce04a36dcd7f4c0ae5b6daea_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4772 wrote to memory of 120 4772 2026-09-08_33954e4dce04a36dcd7f4c0ae5b6daea_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-08_33954e4dce04a36dcd7f4c0ae5b6daea_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-08_33954e4dce04a36dcd7f4c0ae5b6daea_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4772 -
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:120
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 85KB
- SHA256 7addbe3b15de868cfe0033785e9e4642fdd4f4eebb423a0f1a44120018589cd3
- MD5 cce16dac3a31c4bd8fcfc18d4daa4647
- SHA1 329f5e7ccc9e8f3bd3dd2d6e9160d2aefc7dd22f
- SHA512 cefc0076e852fa69e607ddce08566cd75207a2c09b4c2b2d3b4cef09abd5ef0416877abb29875e95b07de98970e01661b6037a6c1aebcf6554b035f811f2f21d
- SSDEEP 768:dUz7yVEhs9+OyqZQtOOtEvwDpjm9+4U9HueDgaRWDCSMzTs9AIIyw9x:dP+OyWQMOtEvwDpjwH8u8rZVTs9AT
- TLSH T1A38397278EC42265F633C7764AFEB2B165107C927910F5DC399AFE7C5533A23A850A0E
- MD5 SHA1 SHA512 SSDEEP TLSH