cryptodef | dba0ded9a7a0f03574919ce7aa6a3a519167abc1d02c33b305dd220fc478bf6f

Analysis

max time kernel
149s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/10/2026, 03:36

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General

Target
2026-10-19_10d80f64fa9594601569d8b795379f17_elex_wannacry.exe
Size 31KB
Sample261021-d6efnayvb1
SHA256 dba0ded9a7a0f03574919ce7aa6a3a519167abc1d02c33b305dd220fc478bf6f
MD5 10d80f64fa9594601569d8b795379f17
SHA1 dda22804b5e3f1d80ba943f9bdd8544494edf5e3
SHA512 d9ddbccd0c37b99ece0b850564752db9e2266e79dc83e09763fa2762e7f9c429f664e11fc8cb5895302631f811da910c7bb9baea83a958bd84e6b66b3dda39aa
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtM+q8cm:NHxbwCOVqhe+8YmcuwrvvFm
TLSH
T1C9E2CB785AC52976F33BDE758AB6418B7A747C21BA11190F4085B3700C33EB6AF6DA0D
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/0x000d00000001b302-3.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4608	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	eilgx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-19_10d80f64fa9594601569d8b795379f17_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 4608	2456	2026-10-19_10d80f64fa9594601569d8b795379f17_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-19_10d80f64fa9594601569d8b795379f17_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-19_10d80f64fa9594601569d8b795379f17_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- 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:4608

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 31KB
SHA256 b6d242cee5e8e35b5616f9ba206cfdf1eba71fae9fa73a101d572e602a27ce09
MD5 d718c8d1ae57f30e9ed0e17ae82543a4
SHA1 7cc39e096dcb1dc835fb927a5bf9e3b7e89994e2
SHA512 3e9874aff4269a689672f4f1f7b82144794aa8ead1ed2dbe54cf216a1796c35f5bd900f08b6d968e319018bb3acf280de36f7072d2155138569e138463845cc5
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtM+q8cb:NHxbwCOVqhe+8YmcuwrvvFb
TLSH
T143E2CA785AC52976F33BDE758AB6418B7A747C21BA11190F4085B3700C33EB6AF6DA0D
MD5 SHA1 SHA512 SSDEEP TLSH

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