cryptodef | 5466f6b6d6010447a036c723ad96babb243af5c15c8e8b9eaa5df386937bb1cd

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
17/04/2026, 03:37

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General

Target
2026-04-17_7be8106503e313cd2791ff8cf99b56fe_elex_wannacry.exe
Size 33KB
Sample260417-d6mf9set8r
SHA256 5466f6b6d6010447a036c723ad96babb243af5c15c8e8b9eaa5df386937bb1cd
MD5 7be8106503e313cd2791ff8cf99b56fe
SHA1 8f7db924686a14cf0d32163ee72b3aab3f6b4fc9
SHA512 e1202938e4723ec85f66d3970dcbcdbbfa75471596a0e95735866f07c28b4d5ca0141e7fcb407b536fa004789c31fc0c839ec9aed59e84ca71c12731a57be412
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygONg0Ls:NHxbwCOVqhe+8Ymcuwrvlwys
TLSH
T1ECF2CE789AC51972F37BDE758AF6418BBA747C22B911190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery cryptodef trojan

Malware Config

Signatures

Family: CryptoDef
CryptoDef is a Windows trojan written in C.
trojan cryptodef

Detects CryptoDef 1 IoCs

resource	yara_rule
behavioral2/files/0x000d00000001047e-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3308	eilgx.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-04-17_7be8106503e313cd2791ff8cf99b56fe_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eilgx.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 3308	2608	2026-04-17_7be8106503e313cd2791ff8cf99b56fe_elex_wannacry.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-04-17_7be8106503e313cd2791ff8cf99b56fe_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-17_7be8106503e313cd2791ff8cf99b56fe_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\eilgx.exe
  "C:\Users\Admin\AppData\Local\Temp\eilgx.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3308

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

eilgx.exe

Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
Size 33KB
SHA256 10f14c29e8cf59bf533018b7557601de5d042c119825e8ba5454bab4d71751cb
MD5 62c59bc92597c881b302ecf18f28e903
SHA1 6e7a1b0f31b72a1ee323b536f1be86b13ced54e9
SHA512 553a4c25a984b0b3795744d27479538348c52fb06cd7518bd42504383721e443a2511dbeb2850b221978e08d46a9b1a2d8006e3949c1c1a4db31b3a048e9294b
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygONg0La:NHxbwCOVqhe+8Ymcuwrvlwya
TLSH
T162F2DE789AC52972F37BDE758AF6418B7A747C22B911190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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