cryptodef | e8aa4811e4c73216399fca0b595154db3d8d487a7ffd6012eee903a19fe7eda3

Analysis

max time kernel
149s
max time network
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 01:04

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General

Target
2026-08-20_bc09d0f7e7c376e7ea85c5d808ca13b9_elex_wannacry.exe
Size 36KB
Sample260820-be6dysag23
SHA256 e8aa4811e4c73216399fca0b595154db3d8d487a7ffd6012eee903a19fe7eda3
MD5 bc09d0f7e7c376e7ea85c5d808ca13b9
SHA1 63026b77e74201ffeaec9b0ccb266b9a4b9262be
SHA512 eeae03a4d0f6514850975dd6baa058cf077fe8eb71510b2f72b757ecdd794356dd94ee5ce9ed4f67e88ea6655a125089b24d92a4ac0297b2f4918632f9d6bf12
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJg:NHxbwCOVqhe+8Ymcuwrvl0A
TLSH
T1EA03DA78AAD51972F33BDE758AF641C77A747C22B912190F4085B3600C33E76AF69A0D
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/0x000600000001b714-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
1232	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	eilgx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-20_bc09d0f7e7c376e7ea85c5d808ca13b9_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 1232	1856	2026-08-20_bc09d0f7e7c376e7ea85c5d808ca13b9_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_bc09d0f7e7c376e7ea85c5d808ca13b9_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_bc09d0f7e7c376e7ea85c5d808ca13b9_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- 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:1232

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

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Downloads

eilgx.exe

Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
Size 37KB
SHA256 ce266ed88d054b5c68d50036bf7fa3268f6078ad79f3882bba9b60d96b9d1d0b
MD5 00fbb6941c27dc40c6ede325b328d19c
SHA1 92aed2856360c41cc38cef48ba77a1400606dae5
SHA512 5b1aab3b0520bfc159834324be65598422b8b7dcdec3e4f07649111f508ecb4a6f5d25d1fc5f039fb2b7c7a3ee321acc4d163c1b21b6b0b6edbaf58ced758493
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJC:NHxbwCOVqhe+8Ymcuwrvl0i
TLSH
T1C203DA78AAD51972F33BDE758AF641C77A747C22B912190F4085B3600C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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