cryptodef | eca0bdf48a1d657ed22d1c993beb0976f01031a753b42269c6919d40f99e75de

Analysis

max time kernel
150s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 09:49

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General

Target
2026-07-15_80b3e052ae5e2ade3079ee5b7bf9331a_elex_wannacry.exe
Size 36KB
Sample260715-ltl9qscw21
SHA256 eca0bdf48a1d657ed22d1c993beb0976f01031a753b42269c6919d40f99e75de
MD5 80b3e052ae5e2ade3079ee5b7bf9331a
SHA1 528c77599ec314719694f0b8a2dd009c0559b75a
SHA512 ce3549b2dd095b392b2b75bbad7cdf4a9bb527c69cd55b69c8962fc9951005866889513af83f3cc563702e04a58be40396dfa2464db1da4fb7b2bd83e14d5df3
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqp3:NHxbwCOVqhe+8Ymcuwrvl05
TLSH
T1EBF2DB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000b000000019caa-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
6104	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	2026-07-15_80b3e052ae5e2ade3079ee5b7bf9331a_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 4976 wrote to memory of 6104	4976	2026-07-15_80b3e052ae5e2ade3079ee5b7bf9331a_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-15_80b3e052ae5e2ade3079ee5b7bf9331a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_80b3e052ae5e2ade3079ee5b7bf9331a_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4976
- 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:6104

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 36KB
SHA256 12580bcdef848ab46fe7325685b71615356f250c232a982add0c8092fc5df49e
MD5 f81053ae318df71efddb8cbe26ffc8cf
SHA1 0af048d26850a59806ed9b4f671af5de2823865c
SHA512 0f13af33bf7351d17a54298ed0208be9e6edf6da79d74276e797e2ddecd00558c6c4cfbdd73ad345bb2327f8c55d7b88947dc3afb4776f2b2c6508de5496de2e
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpZ:NHxbwCOVqhe+8Ymcuwrvl03
TLSH
T11BF2DB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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