cryptodef | 62224fcb423e6f1354569c11c79907ad0edd1b346f8100c498a8ecaaa25836a9

Analysis

max time kernel
149s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 10:24

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General

Target
2026-08-09_0cacfd247a22aaef25def97fd98e0884_elex_wannacry.exe
Size 37KB
Sample260809-mfllqay1fx
SHA256 62224fcb423e6f1354569c11c79907ad0edd1b346f8100c498a8ecaaa25836a9
MD5 0cacfd247a22aaef25def97fd98e0884
SHA1 ac73abbbe1fc7254e5613efce2fc90bc3687c86c
SHA512 034d2f195b43fe092496a8cda8f0fc443351469bc3e7fe134d16011314d14271cef95a3229ca609fc728db7e3d32584df85ab07946cc70b975ba1895cff174e7
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJU:NHxbwCOVqhe+8Ymcuwrvl00
TLSH
T11303DB786AD51972F37BDE758AF241877A747C22B912190F4085B3600C33E76EF69A0D
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/0x000700000001b853-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4500	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	2026-08-09_0cacfd247a22aaef25def97fd98e0884_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 4960 wrote to memory of 4500	4960	2026-08-09_0cacfd247a22aaef25def97fd98e0884_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-09_0cacfd247a22aaef25def97fd98e0884_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_0cacfd247a22aaef25def97fd98e0884_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4960
- 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:4500

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

Replay Monitor

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Downloads

eilgx.exe

Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
Size 37KB
SHA256 89096a1a9c7a6f24eb51a383eacd8d2c63530e66bac92a9a1b5f20beaefae486
MD5 4fc0656fb6b0500e4160a05ecf4c6962
SHA1 49ffe0b6ecde44dce8ae2f58063551814276b176
SHA512 8ca957038b178c4a65dd333ada68d8158f87369ef310a3eb06031fcc867b13f30c6ed6009d38bd023da48131555ced886381b1bff2314152e6d8cb70453f6816
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJb:NHxbwCOVqhe+8Ymcuwrvl07
TLSH
T13803DA786AD51972F37BDE758AF281877A747C22B912190F4085B3600C33E76EF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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