cryptodef | d9b31fdfe018393cc00371639008edfef6c12f58a92cd4fb0bcc3ba13f0f48e5

Analysis

max time kernel
149s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/08/2026, 16:08

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General

Target
2026-08-17_36c084d2e68f14035f1db048e30c83fd_elex_wannacry.exe
Size 36KB
Sample260817-tlk1psej8y
SHA256 d9b31fdfe018393cc00371639008edfef6c12f58a92cd4fb0bcc3ba13f0f48e5
MD5 36c084d2e68f14035f1db048e30c83fd
SHA1 ba4415e18300cd089d84985cfd488fffef325a73
SHA512 1de27306b0562a6c3be5c6d33931a1f3717b65615f3bef7bc90871b36ff1078fbde09f3323f71cddf2320f4dcc6420ae4602515780ec09fb55e5e567dce21807
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJ1:NHxbwCOVqhe+8Ymcuwrvl0V
TLSH
T13EF2CA78AAD51972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000a000000016cdf-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4080	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	2026-08-17_36c084d2e68f14035f1db048e30c83fd_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 4132 wrote to memory of 4080	4132	2026-08-17_36c084d2e68f14035f1db048e30c83fd_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-17_36c084d2e68f14035f1db048e30c83fd_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_36c084d2e68f14035f1db048e30c83fd_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4132
- 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:4080

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 36KB
SHA256 1b36ed306ca3e796eb6d324b7f0bfef7764f714316cf64f4dab7d1914bffe4af
MD5 8868d872019f8323ba3ce9cb841e2f88
SHA1 ea6fb203c85430a4005722c55ec0053fbe672531
SHA512 e2670b9cec52aff4f4c1630b5f39cf01893282f4b76dad02671dcc29ee8abe889f30391e74e8d50fddf5ae6deeb3d98ca7d785d8ff9135089c1de06990402465
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJG:NHxbwCOVqhe+8Ymcuwrvl0m
TLSH
T101F2DA78AAD51972F33BDE758AF241877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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