cryptodef | 957d4f9cdeffc9edfdd73f18f99d02a72f5d143bcfc4a026c93fd4e3a520353c

Analysis

max time kernel
149s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/07/2026, 05:39

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General

Target
2026-07-30_54168165f317bc9cf5cb6ac0336e6416_elex_wannacry.exe
Size 36KB
Sample260730-gcbpfstzev
SHA256 957d4f9cdeffc9edfdd73f18f99d02a72f5d143bcfc4a026c93fd4e3a520353c
MD5 54168165f317bc9cf5cb6ac0336e6416
SHA1 9ee4335e87a7e73963bd77642d86f849a9aa8497
SHA512 e3672915a99aca9ff763efb44489339e08a7feb3cddb8a6fa7772e86b7fc83ee6c6bebb967def350ce4afc82a6125a21ce8bd9af9d3cf0a7ee74fe9ebb834f2d
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJW:NHxbwCOVqhe+8Ymcuwrvl02
TLSH
T14BF2DB786AD51972F33BDE758AF241877A747C22B912190F4085B3700C33E76AF69A0D
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/0x0009000000011374-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4444	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	2026-07-30_54168165f317bc9cf5cb6ac0336e6416_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 5064 wrote to memory of 4444	5064	2026-07-30_54168165f317bc9cf5cb6ac0336e6416_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-30_54168165f317bc9cf5cb6ac0336e6416_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_54168165f317bc9cf5cb6ac0336e6416_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064
- 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:4444

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 5c87022aa419ac0260b45b6b740a46d77617ce50e9aa6ddc6f8f133ab03b1f81
MD5 91196d3509d40966718d9e5bc9e07ba4
SHA1 acc49cb6962908596d0d2783cdc01af9097f3e12
SHA512 1370e6ef1ff314ea5657b989cccdc552eb05cff1f014e34f40af271f513550598a67a58c04f8294a5bf8b3044bed52c7deed802f27d00b3e5a6015f4daec6187
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJG:NHxbwCOVqhe+8Ymcuwrvl0m
TLSH
T16DF2DB786AD51972F37BDE758AF281877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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