Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
09/09/2026, 04:38
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
5 signatures
150 seconds
General
- Target 2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe
- Size 35KB
- Sample260909-e9f94abm3v
- SHA256 d72de9600e26c09727d7eb2b4ca46ba39af0102d68842c3f899edda1b8c785ab
- MD5 2d434a1eb9a48ac00ac7b66116d8ec30
- SHA1 cc48644f80e418464d525f6002213e3231823f8c
- SHA512 0c045c87103be8e5fccefdf798e5032fe0438d864fdde16cd12454190c758b59555a7fba5e6d8b7d3d0e7605d1b248f3988b22d00f5c543b3aca316af2a68a06
- SSDEEP 384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuaBflN3s3:bG74zYcgT/Ekd0ryfjWlN3s3
- TLSH T184F2E631F7EA3822DE36AEF491F640F1A73F78197D1478DE08ABE34D88B2651995D009
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 6 IoCs
resource yara_rule behavioral1/memory/1852-0-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/memory/1852-3-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/files/0x000b00000002440d-14.dat CryptoLocker_rule2 behavioral1/memory/2236-18-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2236-19-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 behavioral1/memory/2236-21-0x0000000008000000-0x000000000800A000-memory.dmp CryptoLocker_rule2 - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation 2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe - Executes dropped EXE 1 IoCs
pid Process 2236 hasfj.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 2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hasfj.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1852 wrote to memory of 2236 1852 2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-09-07_2d434a1eb9a48ac00ac7b66116d8ec30_cryptolocker_elex.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2236
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\hasfj.exe
- Size 35KB
- SHA256 b84e352737f82d404e1c4882f7424c5c97d72b3ba7953325a1b2f6d9a22e8c32
- MD5 aa4ae8ff71830fae6509cd93bc279bf8
- SHA1 378d89265c755007941bb91d60a816afb2f0e21a
- SHA512 6806291c5b0e75d032f7ac7321ebe2affc5de2d4cdcfd586596e261e698fe164d5674cab7f573d29f9ab34d471e975c4c36322d65bb59fd810384a393e807ba7
- SSDEEP 384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuaBflN3sd:bG74zYcgT/Ekd0ryfjWlN3sd
- TLSH T155F2E535F7EA3822DE36AEF491F640F1AB3F7819791078DE08ABE34D8872611995D009
- MD5 SHA1 SHA512 SSDEEP TLSH