cryptodef | dac1a66f876b03ff4b2175ba3519604893aa93cacfd97726acab72573e9f16ac

Analysis

max time kernel
149s
max time network
146s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
05/08/2026, 00:36

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General

Target
2026-08-04_9429406f2746c491712b969bddcbc535_elex_wannacry.exe
Size 54KB
Sample260805-ax7t3aba63
SHA256 dac1a66f876b03ff4b2175ba3519604893aa93cacfd97726acab72573e9f16ac
MD5 9429406f2746c491712b969bddcbc535
SHA1 b6ee23533d384d233c4340d32552c3da398c322f
SHA512 3b5aaf99d869ab253345bca8fe1ffa75634ab6399e943464d4d830aa2ee67be6b3e91d057490717364b1a6e1826bf941ea8e0d6816a8e183368692bee3a1f5ef
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjO:fETVqhp8AvGBFswzLKiWmJO
TLSH
T17B433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000600000001b850-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4228	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	2026-08-04_9429406f2746c491712b969bddcbc535_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 3468 wrote to memory of 4228	3468	2026-08-04_9429406f2746c491712b969bddcbc535_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-04_9429406f2746c491712b969bddcbc535_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-04_9429406f2746c491712b969bddcbc535_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3468
- 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:4228

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 1908e967ab477ce95103ad52a2a263f472541997c32cc00f50cb7953d707ab08
MD5 a3e0f2a2dfdcbb0716543a00da8dee30
SHA1 d8a03e85e1182ea47852db98809e09e4c6f188f1
SHA512 9d452fa6103c1fcae4484487eaa7b1a636cec6f42be3694c51b32e022cf2e041b88ece67a8cd720ac4d910d0bf529fcf5a7e441c81c33f13f503b819933a9ced
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrj9:fETVqhp8AvGBFswzLKiWmJ9
TLSH
T198433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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