cryptodef | 6a203854e901199947350a6bfa682327c0548e389ef7e63b45c63d311f9efafd

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/05/2026, 04:34

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General

Target
2026-05-04_f1842960405bf8259813e44d2e841957_elex_wannacry.exe
Size 36KB
Sample260504-e7ba3afz9r
SHA256 6a203854e901199947350a6bfa682327c0548e389ef7e63b45c63d311f9efafd
MD5 f1842960405bf8259813e44d2e841957
SHA1 c45e15b3cce7a1aea0c72cbefae63cc2669f213d
SHA512 1c0f7d303c9a363a296b5cf43cad61510b4ee77bca75c897e851a0f183e8d64f21f4a52f19a90ee4bb116685796bc2836157a7b73daf8e7461fa91d27d025853
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOYnCzn:NHxbwCOVqhe+8YmcuwrvlQWn
TLSH
T1A1F2BA789AC52972F37BDE758AF64187BA747C227912190F4085B3700C33E76AF69A0D
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/0x000d00000002a8cf-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4916	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	2026-05-04_f1842960405bf8259813e44d2e841957_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 3124 wrote to memory of 4916	3124	2026-05-04_f1842960405bf8259813e44d2e841957_elex_wannacry.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-05-04_f1842960405bf8259813e44d2e841957_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-04_f1842960405bf8259813e44d2e841957_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- 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:4916

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 36KB
SHA256 0e75e62d14697e0b4e72035e317a30e7854d8fc77eee038a1d1a0c8817bbbbfd
MD5 576c2245a6ccc9a3c234c304bc085d09
SHA1 51a2a01efb7ada4c4d8debed1611cbf17e5103bc
SHA512 56686c7921d9208db39a90da5c9c0575b7abe44534c7075f9fd2d2268f33db9efcc223904acb75d23577b33a22945fe69d322cb3063672bf44c2a17cbf42082b
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOYnCzZ:NHxbwCOVqhe+8YmcuwrvlQWZ
TLSH
T1DCF2BA789AC52972F37BDE758AF64187BA747C227912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3124-8-0x00000000006A0000-0x00000000006EA000-memory.dmp

Download

memory/4916-9-0x0000000000980000-0x00000000009CA000-memory.dmp