cryptodef | 5b2022b6426499d8f8455ac1eead7f2db2a1caa0284badeb2bf001f040f8189a

Analysis

max time kernel
149s
max time network
110s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
12/07/2026, 09:09

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General

Target
2026-07-12_7fa8190e5bfa725c0b953eb0a40d65bc_elex_wannacry.exe
Size 54KB
Sample260712-k4m4caft3l
SHA256 5b2022b6426499d8f8455ac1eead7f2db2a1caa0284badeb2bf001f040f8189a
MD5 7fa8190e5bfa725c0b953eb0a40d65bc
SHA1 cf008f360722c7538145ddbfb82590cb12add22d
SHA512 a9f6bfb357b24498f68b392fe37295b7e659b303262dad66b5cfafb6808defa5cbfd3d465e8454e71ebc242a75aa42521ca4798d518236552f588de13144f101
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrK:fETVqhp8AvGBFswzLKiWmM
TLSH
T120434338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000800000001b871-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3716	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	2026-07-12_7fa8190e5bfa725c0b953eb0a40d65bc_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 5444 wrote to memory of 3716	5444	2026-07-12_7fa8190e5bfa725c0b953eb0a40d65bc_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-12_7fa8190e5bfa725c0b953eb0a40d65bc_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-12_7fa8190e5bfa725c0b953eb0a40d65bc_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5444
- 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:3716

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 36efcd484314fdfb87a1057aac66094be2326a086ea934240ffb61f5b19029f9
MD5 e5d03365be2e47226da04ac15a227dfe
SHA1 6752011faf1bc6d91c89d171cb7c275c0cee8526
SHA512 3bd4238499b7477594c6c031ed95066fefa3091ccfb3446ba861e915ecca1a6791bc273889915d17ba162c10474253adebed4228a53893dab03a41fffd4d9060
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrf:fETVqhp8AvGBFswzLKiWm9
TLSH
T108434338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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