cryptodef | cc2b1dd482bc9cb4f9d132d7e2b2f25d0fe4713f35e0b4d45236112b4b009356

Analysis

max time kernel
149s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
19/05/2026, 21:42

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General

Target
2026-05-19_32f82d8ec4b93ee3dcc6be3509001306_elex_wannacry.exe
Size 34KB
Sample260519-1khbrac19v
SHA256 cc2b1dd482bc9cb4f9d132d7e2b2f25d0fe4713f35e0b4d45236112b4b009356
MD5 32f82d8ec4b93ee3dcc6be3509001306
SHA1 f3f5b889278b8a586d3f0b514a3e7a17c32f5864
SHA512 ea0e9bbb3603598afabac56376dd73e5ae07ea51cef51230c6ff8ad59a3432d38a00d827d7ad7194f4791e7850926bf0f66ed2ffa85606103760cb93430b1093
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqO:NHxbwCOVqhe+8Ymcuwrvl0O
TLSH
T15DF2CD785AC52972F33BDE758AF6418B7A747C22B912190F4085B3700C33E76AF69A0D
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/0x001f00000002b232-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
1228	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	eilgx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-19_32f82d8ec4b93ee3dcc6be3509001306_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 1228	4968	2026-05-19_32f82d8ec4b93ee3dcc6be3509001306_elex_wannacry.exe	81

C:\Users\Admin\AppData\Local\Temp\2026-05-19_32f82d8ec4b93ee3dcc6be3509001306_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-19_32f82d8ec4b93ee3dcc6be3509001306_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4968
- 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:1228

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 34KB
SHA256 0af5e294010c9e81f52b3368818b2b683f578e325f3b63f19fc965ab2e0f5e86
MD5 c3417a9cc0221841762dba169bf12a98
SHA1 68617b1bdd9bd552bd94cc24681ebddeeb383df4
SHA512 bcac5278265e7acb3d8440f4c58846a49252edec22df9405c359d344fe3e7af0d789baf585ef02a1b63ee84b1a08021f4e3c6b6af1c2391b4a482c9723d7c717
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqWg:NHxbwCOVqhe+8Ymcuwrvl0Wg
TLSH
T1A4F2CC785AC52972F33BDE758AF6418B7A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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