Analysis
- max time kernel
150s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
06/06/2026, 07:36
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe
Resource
win11-20260513-en
6 signatures
150 seconds
General
- Target 2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe
- Size 35KB
- Sample260606-jfftpab19l
- SHA256 bf4cb01ad5dae7daae26c517afca752f1a566b0c1d597f9280cf70084bd36433
- MD5 9775599a8b5764edfcc9e954c6311d68
- SHA1 fbb98e3c3e56f46c880576a007a4a85e58b1bbab
- SHA512 df01ecb9473522d95ffeca71e1150cdb869c41ed7ef280cabeaf3157107c5a48e11299073db68a46b2c30f84c38e57b13272c7eb88a9165e1cfc55509d6f8cd6
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4abyg:vj+jsMQMOtEvwDpj5Htg
- TLSH T137F2F8326FC51A76D3339BB199FBC682B627FD653831990D90CA37054933B42ADA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Custom signatureDetection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x00060000000105ac-12.dat CryptoLocker_rule2 - Custom signatureDetection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x00060000000105ac-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 2424 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 2026-06-06_9775599a8b5764edfcc9e954c6311d68_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 996 wrote to memory of 2424 996 2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe 81
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-06-06_9775599a8b5764edfcc9e954c6311d68_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:996 -
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:2424
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 35KB
- SHA256 bfa7a230d491a18dcbc48eae33ba1025c864f0ccfdd81c1b851acb575424eeb6
- MD5 203d8eab1a7f995ff94ced24959a148a
- SHA1 363d9c2bedf103c66ec9a66cc6c1d2fd1a041872
- SHA512 368275dbd5f4ff82f4885574e1707e14ecc7568d444d2101a8c8e8a8ac48a2b35141ec6085db6336c45595b4671d8ef997af5e3442a29eafd196eef387878cc6
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4aby/:vj+jsMQMOtEvwDpj5Ht/
- TLSH T137F2E8326FC51A72D3379BB199FBC682B627FD653831990D90CA37054933B42ADA1D0E
- MD5 SHA1 SHA512 SSDEEP TLSH