cryptodef | e476e067d028c81491f77f53a8c9436ba87a909c2ee9704bf48c125b04e76fa4

Analysis

max time kernel
149s
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, 21:40

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General

Target
2026-08-02_6eb1eeb3e2e8b8e0bd5b45f62bfa3d36_elex_wannacry.exe
Size 55KB
Sample260802-1jppfasdng
SHA256 e476e067d028c81491f77f53a8c9436ba87a909c2ee9704bf48c125b04e76fa4
MD5 6eb1eeb3e2e8b8e0bd5b45f62bfa3d36
SHA1 f61ef57ff51ccdb6253ea092093bdd70aa26e1ef
SHA512 3857e4b5975d642d25bbc42c18fb6a125b319c30aa48de093a770e86f389cae0779c1a9837dd373313532c7899f708384535f9be54b9988d5847fb6a273cee12
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjQR:fETVqhp8AvGBFswzLKiWmJS
TLSH
T16A434338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000600000001b896-3.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
5736	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_6eb1eeb3e2e8b8e0bd5b45f62bfa3d36_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 4380 wrote to memory of 5736	4380	2026-08-02_6eb1eeb3e2e8b8e0bd5b45f62bfa3d36_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_6eb1eeb3e2e8b8e0bd5b45f62bfa3d36_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_6eb1eeb3e2e8b8e0bd5b45f62bfa3d36_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4380
- 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:5736

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 55KB
SHA256 5b72b6ad5699795944fc18130dd4e2089a931a2d82a8f88e9cadfa07731a873f
MD5 8752b7c000c879795642ed672e95e00f
SHA1 caaf67b835d8766dfa5897d30b2ad5e041f8de16
SHA512 e163b58a927105c192d1c5ebd8afe7c3a2a5314d743d63c978bab37f09db2589ba1efea892e0cc9aefc09f1ef7bf90cd14de8d3092ed9ef48d62cc2ce02867df
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjQQ:fETVqhp8AvGBFswzLKiWmJ3
TLSH
T1CB434338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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