cryptodef | ae446d4e94fff2546b9e051c4b512948eb5bb6d3a92638b6f841240be7adcd01

Analysis

max time kernel
149s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/07/2026, 07:51

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General

Target
2026-07-27_d9b8a633c7627311c70a8232b88df7f5_elex_wannacry.exe
Size 54KB
Sample260727-jp2grabl3y
SHA256 ae446d4e94fff2546b9e051c4b512948eb5bb6d3a92638b6f841240be7adcd01
MD5 d9b8a633c7627311c70a8232b88df7f5
SHA1 86c66dc1428277e9c10b6c28c49013205f9aa7eb
SHA512 b3df14dd336d557662037290aa50909d64b87100a17e6e6d43d9ddbeee400fd8ed430192948070c81e43884dd4662297e13721201c45ddbdd5e2525e55488c6e
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrF:fETVqhp8AvGBFswzLKiWmX
TLSH
T1B0434438AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000f00000001b1d0-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4108	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	2026-07-27_d9b8a633c7627311c70a8232b88df7f5_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 4304 wrote to memory of 4108	4304	2026-07-27_d9b8a633c7627311c70a8232b88df7f5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-27_d9b8a633c7627311c70a8232b88df7f5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_d9b8a633c7627311c70a8232b88df7f5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4304
- 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:4108

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 3208feb1336306888d86ec4b5ed8da2a5628956dd5a96c7bb077020955f7125a
MD5 ce25b829f6309ecb450ed6e624800893
SHA1 e8ebdd60c8c14ea293da42a764cf6dfe481944ad
SHA512 0b155b47f4577c61848e1a5af177bda5774f819bc07448a727f619e033db9e4ad1d25a2b9f1165e4169f7406cee072df85546ce951a28a99a62466dba5ccdded
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrB:fETVqhp8AvGBFswzLKiWmj
TLSH
T1E1434438AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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