Analysis
- max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/08/2026, 08:23
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
2026-08-02_885bf535acfa540dffb7ed53aa4f0cca_cryptolocker_elex.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-08-02_885bf535acfa540dffb7ed53aa4f0cca_cryptolocker_elex.exe
Resource
win11ltsc2024-20260709-en
6 signatures
150 seconds
General
- Target 2026-08-02_885bf535acfa540dffb7ed53aa4f0cca_cryptolocker_elex.exe
- Size 54KB
- Sample260802-j944daydjd
- SHA256 241acd55367f7f738b6498e756a5915b74b735828f1ec849ab666ef57c9515ae
- MD5 885bf535acfa540dffb7ed53aa4f0cca
- SHA1 84a07d2ddfb5610af5746f21ce7c86c174b5a8db
- SHA512 cf69281f83b856ed2567670be5271861cd98f1db4767ec0f0ad526f63d5bca135191248b6ed9ded72cfc002ccc8adc7499d8e909f467a19e05c03696c8393280
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4N9X+NlK+3d7W9fv6X9Jkc:vj+jsMQMOtEvwDpj5HvX6lKGyfvw9L
- TLSH T1C843A535AED40A72E377DAB596F786C3B536B9533C21990D80CA67440C33B52EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
Malware Config
Signatures
- Detection of CryptoLocker Variants 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cc1-12.dat CryptoLocker_rule2 - Detection of Cryptolocker Samples 1 IoCs
resource yara_rule behavioral2/files/0x000a000000019cc1-12.dat CryptoLocker_set1 - Executes dropped EXE 1 IoCs
pid Process 3884 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 2026-08-02_885bf535acfa540dffb7ed53aa4f0cca_cryptolocker_elex.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4552 wrote to memory of 3884 4552 2026-08-02_885bf535acfa540dffb7ed53aa4f0cca_cryptolocker_elex.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-02_885bf535acfa540dffb7ed53aa4f0cca_cryptolocker_elex.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-02_885bf535acfa540dffb7ed53aa4f0cca_cryptolocker_elex.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4552 -
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:3884
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\misid.exe
- Size 54KB
- SHA256 e17606226004d7af6f6d57e8b05dc256aa66dbf00947addd562c68522b358883
- MD5 c55af579682213be16785c93ad590ae9
- SHA1 09d31530bdde216174c687b3f5e8c2f0fa73b7d9
- SHA512 95e363a6935610917b745f75d57bdab71e76bd9071a6e1a0278bd133547a9abdb7a7afb417e1901ff916dff7da6f39b04d751347765cbe256cbae210a998fe88
- SSDEEP 768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4N9X+NlK+3d7W9fv6X9JkP:vj+jsMQMOtEvwDpj5HvX6lKGyfvw9Q
- TLSH T16843A535AED40A72E377DAB596F786C3B536B9533C21990D80CA67440C33B52EDA1E0E
- MD5 SHA1 SHA512 SSDEEP TLSH