cryptodef | a86835f2b214331dab685faedb26a3d0234e5537b32456684804855586859c9b

Analysis

max time kernel
149s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
17/07/2026, 07:36

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General

Target
2026-07-17_9fd82d12790990efc693315f0c009407_elex_wannacry.exe
Size 34KB
Sample260717-jfld6set7r
SHA256 a86835f2b214331dab685faedb26a3d0234e5537b32456684804855586859c9b
MD5 9fd82d12790990efc693315f0c009407
SHA1 94dd757989454eb4636b60832393db1cfbf8e469
SHA512 e88aa797bc0563e6f725e554ba45b70b733e7cebce85c1a059de68b618c36adac9960ca3f81c76c6f4a6921a9c035b37cfb8904b3645a555663cede6825740ad
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqA:NHxbwCOVqhe+8Ymcuwrvl0A
TLSH
T124F2DD785AC52972F37BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000b00000001b87e-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
2388	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	2026-07-17_9fd82d12790990efc693315f0c009407_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 1972 wrote to memory of 2388	1972	2026-07-17_9fd82d12790990efc693315f0c009407_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-17_9fd82d12790990efc693315f0c009407_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-17_9fd82d12790990efc693315f0c009407_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1972
- 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:2388

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 34KB
SHA256 71b5ad54aa804bdacee37c2c434501c3ebfa98cd5ef7e91d27dff58289dd7987
MD5 e0bf4b854b1d10c42d41608eb5454252
SHA1 82cecae8f57899e4e5d8d302268b8c5a369df734
SHA512 5b47cc835b2687e3a3a1b76fefd20af3944d6ed3a34ac593b1e632ecc663b579dfa18bf7fdb5f2ffd2e9644786b7966f15f5b40a547dd31afdc1fc3fcff34695
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOq3:NHxbwCOVqhe+8Ymcuwrvl03
TLSH
T1BBF2CC785AC52972F37BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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