cryptodef | e593397e4f42c0dcf6c8d94aed3ef2dc397be00eb3042af837aa7963b8068c30

Analysis

max time kernel
149s
max time network
114s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/07/2026, 13:37

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General

Target
2026-07-21_3d6e552b1942cb38dced7e52cff29263_elex_wannacry.exe
Size 35KB
Sample260721-qw1mcscm21
SHA256 e593397e4f42c0dcf6c8d94aed3ef2dc397be00eb3042af837aa7963b8068c30
MD5 3d6e552b1942cb38dced7e52cff29263
SHA1 0ebf556a68beec62ea1984b15974c7bbdda3f1af
SHA512 072792e2c14a38c445c4efc52deeaf223edfbf80e9cdfda7252a2a9c1ad993f83076ed68c1d6c1b927c004d29d2798e868ac4ed9775ddc2b5f4fd146d3121ec2
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpND:NHxbwCOVqhe+8Ymcuwrvl0X
TLSH
T1C5F2DB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000600000001b85f-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
5044	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	2026-07-21_3d6e552b1942cb38dced7e52cff29263_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 4372 wrote to memory of 5044	4372	2026-07-21_3d6e552b1942cb38dced7e52cff29263_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-21_3d6e552b1942cb38dced7e52cff29263_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-21_3d6e552b1942cb38dced7e52cff29263_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4372
- 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:5044

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 35KB
SHA256 982ea20b3eee09a2369b80b8226bdb69c173fe184c474048dc4fa1d8b097dbe0
MD5 c404deec4797fb37977b33d24aa00ad6
SHA1 cd6593241d7101232f771b9856cc3898a446a823
SHA512 e0b9aa6e06c75cf2cadb679f5fe489f1ae933a496d32a341b9d0ed7582b6549cb1c6903b11d60418d59c7974fae2812805162d9b16467bf4bcba5c0c07e5246f
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpNj:NHxbwCOVqhe+8Ymcuwrvl0H
TLSH
T1A5F2DC786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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