cryptodef | 98d407bb956f21386adf3551664f48d82810e3bb4def50ddc1f8d616fe35429a

Analysis

max time kernel
149s
max time network
111s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
13/09/2026, 23:46

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General

Target
2026-09-13_fd0a7ec4c8d84e8e93f18d1aa6912120_elex_wannacry.exe
Size 35KB
Sample260913-3sn6dashqb
SHA256 98d407bb956f21386adf3551664f48d82810e3bb4def50ddc1f8d616fe35429a
MD5 fd0a7ec4c8d84e8e93f18d1aa6912120
SHA1 0015ab4af0e7792a91857fac1f8369c2c1947526
SHA512 10d7a5961f40ba636a1f72e56139afa23b03cdf78a58225977973b3bc34e1f834ceb7ceb5cbcd6963d1ff3a078da56a4a046d6dd1053e41fff1cc1f5489101d8
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpNv:NHxbwCOVqhe+8Ymcuwrvl0L
TLSH
T16DF2EB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000600000001b85a-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4320	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	2026-09-13_fd0a7ec4c8d84e8e93f18d1aa6912120_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 5532 wrote to memory of 4320	5532	2026-09-13_fd0a7ec4c8d84e8e93f18d1aa6912120_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-09-13_fd0a7ec4c8d84e8e93f18d1aa6912120_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-13_fd0a7ec4c8d84e8e93f18d1aa6912120_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5532
- 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:4320

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

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Downloads

eilgx.exe

Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
Size 35KB
SHA256 3dfe5657376d8ab0ae4821c78fbadbf3645c714c27b96898f4739b700fde0076
MD5 be79ee4ac2a244d6c225a09f5e81941b
SHA1 ce84e0cc9f70be4755220711893170c9cec806bd
SHA512 0006748d118b40db606defaa8e857dda6020fdba2f9d9185b8d972b54756469d9672fb1ae3d22e72c9f7a1f5c4a4b9eff4fd4098d6cf71c6c5e27ee390472082
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpNc:NHxbwCOVqhe+8Ymcuwrvl0I
TLSH
T1B1F2EB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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