cryptodef | 0bc609e146f612d3b71e0d3074f9cc633347f9932fc1f16be2a13dde1e9132e5

Analysis

max time kernel
149s
max time network
116s
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, 09:24

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General

Target
2026-07-27_9b99acdbe50916cd1b858e4233efa91c_elex_wannacry.exe
Size 54KB
Sample260727-ldf3sazvcs
SHA256 0bc609e146f612d3b71e0d3074f9cc633347f9932fc1f16be2a13dde1e9132e5
MD5 9b99acdbe50916cd1b858e4233efa91c
SHA1 f09942cad8c440a3cd2b7a0c6f6682011c89d72b
SHA512 d6dc34bdf96d8b2f16afaafc28a93b440c3df1bec91ee9de4b517562d5b6148f4dbf83faf5d673de25d9524f4dd369f45baadf0025ba7fbd56bfc0c3ed2ada90
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrS:fETVqhp8AvGBFswzLKiWmk
TLSH
T144434438AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000700000001b867-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3956	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_9b99acdbe50916cd1b858e4233efa91c_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 5012 wrote to memory of 3956	5012	2026-07-27_9b99acdbe50916cd1b858e4233efa91c_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-27_9b99acdbe50916cd1b858e4233efa91c_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-27_9b99acdbe50916cd1b858e4233efa91c_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5012
- 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:3956

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 d7061336bb037d04284306b8d08306b23522865b8c66f5e51f2f1c205cf224c4
MD5 060475f81c5896f77356ff5a9b608aeb
SHA1 48b6671f98010e1aa6618362fc31d56313a926a7
SHA512 5191cd2ea7c5bd2cfc73081bbb033f6b1e365ba5282b864417dbd90b8e0cf6be9cb7dc2890098b7277885e3bd435742b3058aecd1cc173aeb88133da9194aaaf
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfra:fETVqhp8AvGBFswzLKiWmc
TLSH
T170434438AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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