cryptodef | e8603f57ab8015dfc4420cd3ccd0a038a7e57d13b65b13353062dc4e62d3e945

Analysis

max time kernel
149s
max time network
139s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/07/2026, 22:54

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General

Target
2026-07-27_428ec5d7569ce95dcfce86193e541316_elex_wannacry.exe
Size 34KB
Sample260727-2vxpvsdf93
SHA256 e8603f57ab8015dfc4420cd3ccd0a038a7e57d13b65b13353062dc4e62d3e945
MD5 428ec5d7569ce95dcfce86193e541316
SHA1 3ae8c01ada34e16b93091e9ca7b2ee7b92f4c6b8
SHA512 4dcc47ad64babc66b87ca642a328fe52b0a4e13f42b5afd177dbf9f6f60d667f886164bf65da8a5dd95f6073521a256d891e5515a6045cb7a0b49653da45af00
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOq2:NHxbwCOVqhe+8Ymcuwrvl02
TLSH
T1E6F2CC785AC52972F33BDE758AF651877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000600000001b85f-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3004	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	2026-07-27_428ec5d7569ce95dcfce86193e541316_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 5220 wrote to memory of 3004	5220	2026-07-27_428ec5d7569ce95dcfce86193e541316_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-27_428ec5d7569ce95dcfce86193e541316_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_428ec5d7569ce95dcfce86193e541316_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5220
- 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:3004

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 35KB
SHA256 a159c01901a84431fbf590d39ba84bb022b1bcc07376c1833b251c38588d9638
MD5 85fcace0473dfb21663e2ce4461e058c
SHA1 2828ae52bc1118bb7ce7288b7f2fa0517740ed34
SHA512 06c7ba023eb58a6627e1d7fdf63121f828f3042cce082e92ee5d8a13680c6e776cbbf4fac97fab7e154283f085afe77f636999b0809c2e8ea9d29816d1d006b4
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqX:NHxbwCOVqhe+8Ymcuwrvl0X
TLSH
T15AF2CC785AC52972F33BDE758AF651877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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