cryptodef | ce22aa1d91deb500472c6b1c5e46f8ee4b8485d364d41c09a90cf21d4aa5a811

Analysis

max time kernel
150s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
31/07/2026, 11:09

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General

Target
2026-07-31_bd234c091d58c883d712ed76deda90a7_elex_wannacry.exe
Size 54KB
Sample260731-m9ckxa1fle
SHA256 ce22aa1d91deb500472c6b1c5e46f8ee4b8485d364d41c09a90cf21d4aa5a811
MD5 bd234c091d58c883d712ed76deda90a7
SHA1 8f31e87a350193a1ce921cc8d57355cfc75a4147
SHA512 042fceac68696de9b91694782812692fca2ffef87286d53847109371ffaa52900a108bfab3defb7705d8a599b1d45d28764eceddaa384ba14c7f44de4a0bf567
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjX:fETVqhp8AvGBFswzLKiWmJX
TLSH
T1C2433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x001300000001b1d0-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3316	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	2026-07-31_bd234c091d58c883d712ed76deda90a7_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 3316	4584	2026-07-31_bd234c091d58c883d712ed76deda90a7_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-31_bd234c091d58c883d712ed76deda90a7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-31_bd234c091d58c883d712ed76deda90a7_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4584
- 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:3316

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 54KB
SHA256 68a44890d1c2587d1647cddc1f06572ff1264f59a8537b605c9a8e29d2c4c0e1
MD5 f35d2d07bcc07eae1e75425744f01948
SHA1 26cffda6f02e2679166a96be17f5bc3a3fe642ae
SHA512 76d99ecb530bce08e6c60c1ac32eea6ef621b00e7d105c6c349fce79d5b50aba7bd64ca2a07dceb135ea1896ae795b942080055f33b639718531d11a7e12de0b
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjW:fETVqhp8AvGBFswzLKiWmJW
TLSH
T126433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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