Analysis
- max time kernel
150s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
21/04/2026, 16:49
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe
Resource
win10v2004-20260130-en
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe
Resource
win11-20260130-en
5 signatures
150 seconds
General
- Target 2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe
- Size 63KB
- Sample260421-vb1tvads2t
- SHA256 907753ca02271c77d70f0fe9c90cb3d1308aff1c1faf86665736799ed0107f13
- MD5 e16e7b43b0c8809b51e21ed4c61dae24
- SHA1 510b6396ba2e33973240259df550e2a2e9cf25d9
- SHA512 d7f4695fbb2bcfd29c57d58d3141e2c69364198db536c43ffd3f7c6578403a0050da49065508221688a3727ed450485cba58f3ac3a5b6465d74d9602ff83e7a4
- SSDEEP 1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36u9m:ZVxkGOtEvwDpjcaG
- TLSH T1515399386EE81672E3B7DAB6C6F655C2BD35B8227D11D80D40DA13490C23F16EDA1B1E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000900000000d3cf-13.dat CryptoLocker_rule2 - Executes dropped EXE 1 IoCs
pid Process 4196 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 2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_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 3388 wrote to memory of 4196 3388 2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-21_e16e7b43b0c8809b51e21ed4c61dae24_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3388 -
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:4196
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 64KB
- SHA256 6f0815fd0ec817a8772ef0134144bf7cf6889f5cefe9ad6277e9b34a067bc49c
- MD5 7d68dab3fbc09bde70973f611d9d1ad1
- SHA1 209558ae0c4177fd6dbca5eb02f949f53908cc65
- SHA512 dc9f09e0bd4425287ac99abb702bcc21d6d81d133fcdc56bebbd3269f87565e411c4655ed7e82d7722d252701df5a82219b15fea978d8993241602612cd675a8
- SSDEEP 1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ36u99:ZVxkGOtEvwDpjcad
- TLSH T1295399386EE81672E3B7DAB6C6F655C2BD35B8227D11D80D40DA13490C23F16EDA1B1E
- MD5 SHA1 SHA512 SSDEEP TLSH