cryptodef | 3d429e419860c21144e4b243ae3da5362bef5eb9c53e0a0ee5219ea3ef9ec83e

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/08/2026, 04:31

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General

Target
2026-08-10_8584155a43d9ee6e315b983d54cbcdc7_elex_wannacry.exe
Size 54KB
Sample260810-e5t1dsbj51
SHA256 3d429e419860c21144e4b243ae3da5362bef5eb9c53e0a0ee5219ea3ef9ec83e
MD5 8584155a43d9ee6e315b983d54cbcdc7
SHA1 b8f846fb233795905e13788a3448c73998c4a0d2
SHA512 fc89cd3dcc16830df6374ad06cdd6bc62a7463f1ef92c6b50ec022091e4a9c7476ba74dba99f7599f9a397e8db704cf75398c6651a93e824c4a32b4c08c2b22c
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjB:fETVqhp8AvGBFswzLKiWmJB
TLSH
T1FE433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000e000000016cb6-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
1412	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	2026-08-10_8584155a43d9ee6e315b983d54cbcdc7_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 6812 wrote to memory of 1412	6812	2026-08-10_8584155a43d9ee6e315b983d54cbcdc7_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-10_8584155a43d9ee6e315b983d54cbcdc7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_8584155a43d9ee6e315b983d54cbcdc7_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6812
- 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:1412

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 54KB
SHA256 b3850f5b95d8577849ec73e9f3a468c66349c0e2449586202895b769a6179b42
MD5 6afc483585197fa347841b4f94a9692b
SHA1 5d4603bc00ca6fd39e98ac0e1b8673374629b4a2
SHA512 199c47c327129dee60c6f519dbe4a83a737e9615ce0fee86cfac173688bad614f660f0e93376344f28477f3a2ba7c60d9963d1417fcc3c9bdd1866bd70660058
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrju:fETVqhp8AvGBFswzLKiWmJu
TLSH
T116433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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