cryptodef | 9cecde29410764ce6525c072db2c9a6f5a5ebe011ee24731b6f0b1cc393e71f9

Analysis

max time kernel
150s
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
07/08/2026, 01:50

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General

Target
2026-08-07_672bfc61ac672fdacf00a7d7696680ee_elex_wannacry.exe
Size 54KB
Sample260807-b9qa8avgrh
SHA256 9cecde29410764ce6525c072db2c9a6f5a5ebe011ee24731b6f0b1cc393e71f9
MD5 672bfc61ac672fdacf00a7d7696680ee
SHA1 a7b0199a6add068d09a43cb279b43c91484d6528
SHA512 5d09bb9db5683c6685828da65457e33936875f66f06058131448e0894a26927cfcab5a3a15633282adb86c4c23248156a4fd141090dba4a5d6cf54475809dc9a
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjX:fETVqhp8AvGBFswzLKiWmJX
TLSH
T1CB433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x001200000001157e-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
1684	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	2026-08-07_672bfc61ac672fdacf00a7d7696680ee_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 2220 wrote to memory of 1684	2220	2026-08-07_672bfc61ac672fdacf00a7d7696680ee_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-08-07_672bfc61ac672fdacf00a7d7696680ee_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_672bfc61ac672fdacf00a7d7696680ee_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- 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:1684

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 76fa22c9856499193fea193ba77bf3b3d63a7f977cfcaecb10783a7ad0900ddf
MD5 1b14415ac761dcf3837d15c3a8f90556
SHA1 710c582ad6d9d93daf31a59e7e5982c19887c5f5
SHA512 9714154d8f72d5b3ff897260fdf5a551abe407bf20efe93ac775189dd90cc1f7eb362aca724911165a4ab8e8707a8d18591a15d0885aedd200e7ae4b0ec8d517
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrj8:fETVqhp8AvGBFswzLKiWmJ8
TLSH
T1C4433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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