cryptodef | 12d3f0d046f2764407948af27e5481faa599aa83b08a0449d8c2e68a81189170

Analysis

max time kernel
150s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/08/2026, 11:30

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General

Target
2026-08-02_6ad359274c15e4e6e5f17983e823b0ca_elex_wannacry.exe
Size 36KB
Sample260802-nmb7asyvhs
SHA256 12d3f0d046f2764407948af27e5481faa599aa83b08a0449d8c2e68a81189170
MD5 6ad359274c15e4e6e5f17983e823b0ca
SHA1 b3542feb1840e51b8e30c708313f1bbf04d21682
SHA512 d85fda301710cb760e9b6bfb69b9fea8db8c034177d1702d8f221ed4b4c0ba7506825caee63cd13fb1ceccb274a9c82b8afd2f50181ee158e57436fa0b5f7dd4
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJl:NHxbwCOVqhe+8Ymcuwrvl0F
TLSH
T135F2DB786AD52972F37BDE758AF241877A747C22B912190F4085B3700C33E76AF69A0D
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/0x0007000000016cf1-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
2064	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	2026-08-02_6ad359274c15e4e6e5f17983e823b0ca_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 5776 wrote to memory of 2064	5776	2026-08-02_6ad359274c15e4e6e5f17983e823b0ca_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_6ad359274c15e4e6e5f17983e823b0ca_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_6ad359274c15e4e6e5f17983e823b0ca_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5776
- 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:2064

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 36KB
SHA256 98f1b3527fbbfcc69724fafb3ab67fe22f3ff23a266b25c469c2f79c8a3fe848
MD5 0cff2065b7083647bc8e69ecfd4084c1
SHA1 6009327a8387d67cf9577baa22c68a149dc73156
SHA512 bfae351c086591266e8acb5a3f7e9f63e5281f0448f4ae48cafe7efc8d801b20d791b45e37b24a0a7347a96d86cab0c97751320de5eb6580265b2aae0adffa7e
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJB:NHxbwCOVqhe+8Ymcuwrvl0h
TLSH
T1E903DB786AD51972F37BDE758AF241877A747C22B912190F4085B3600C33E76EF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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