cryptodef | 0148e1fb691f58c41cf83c2a1b1a878448da57aa8af6b27f8ecf33f849fcd2c0

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
28/07/2026, 21:58

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General

Target
2026-07-28_ddd2c9faedeaf3ddb4a3182a556ba98f_elex_wannacry.exe
Size 36KB
Sample260728-1vjbssca79
SHA256 0148e1fb691f58c41cf83c2a1b1a878448da57aa8af6b27f8ecf33f849fcd2c0
MD5 ddd2c9faedeaf3ddb4a3182a556ba98f
SHA1 d4fae0f07d061848b35a68047fa7882e805ff68c
SHA512 8801fea245e38293d6cb232c005ba187c916fa2b2bbba8642daf8180b953bc33b5171f18668273cde6766a7903b9edab77c48af3d3d5b659f730cbc75e7ea985
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJA:NHxbwCOVqhe+8Ymcuwrvl0g
TLSH
T178F2DB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000c00000001136a-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4704	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	2026-07-28_ddd2c9faedeaf3ddb4a3182a556ba98f_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 3672 wrote to memory of 4704	3672	2026-07-28_ddd2c9faedeaf3ddb4a3182a556ba98f_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-28_ddd2c9faedeaf3ddb4a3182a556ba98f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-28_ddd2c9faedeaf3ddb4a3182a556ba98f_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3672
- 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:4704

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 750eaaef060bddac41ac07b090e1573188c477e3aa9702785855a057f5888120
MD5 cb6e58ef32b1a4262cfad96d3da2844a
SHA1 d73714f484dc2e573870aedd210efeac012099a2
SHA512 cc386cd5f4fe199c55d3bf26a877176913d403d5f05f5efcb598d354940663850c0707cc8ea71c72a9e3cc472a830b15b381a258e4b736973771ee69cd509382
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJm:NHxbwCOVqhe+8Ymcuwrvl0G
TLSH
T1E9F2DB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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