cryptodef | 1088497752d34fe6bfe39792b95c756e8daa983e546f5e7841a1777becbf55de

Analysis

max time kernel
149s
max time network
113s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
14/07/2026, 01:46

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General

Target
2026-07-13_16190256815d7d05ad20a323a61ec666_elex_wannacry.exe
Size 54KB
Sample260714-b68cmact9m
SHA256 1088497752d34fe6bfe39792b95c756e8daa983e546f5e7841a1777becbf55de
MD5 16190256815d7d05ad20a323a61ec666
SHA1 0cca6c63c2203a4aaf4eefdd4a03d726fbbc344e
SHA512 60bde1e6c03828fb1081cd4ffde51954cc5f97182a900fadc42aaf9a8b325d4b8198da4c425c75df78dd0a4a9bd5fdf16d4eebc35eb370e00650b0a6ae65f176
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjc:fETVqhp8AvGBFswzLKiWmJc
TLSH
T13F433338AED51572F37BDE758AF651C7AA747C227902290F4086B3500C33F76AEA5A0D
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/0x0008000000016cdf-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4172	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	2026-07-13_16190256815d7d05ad20a323a61ec666_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 4544 wrote to memory of 4172	4544	2026-07-13_16190256815d7d05ad20a323a61ec666_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-13_16190256815d7d05ad20a323a61ec666_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-13_16190256815d7d05ad20a323a61ec666_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4544
- 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:4172

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 54KB
SHA256 d4a9aecebd01992213de930cdbb56abd3d179543da47a685113e2c790d8fe667
MD5 d52e3c1b3d0099139b3816bad45f43e2
SHA1 72ba120269cbadd6fd1edd7534fa49805b73add7
SHA512 ba601b8ef9019b20d65dfe8107671e404bf803a8eb191999704952ffe6c1e1b04ca79e814e56860aae5f5a2d464c321c22553d2efda78c77893c56c55e0b38af
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjZ:fETVqhp8AvGBFswzLKiWmJZ
TLSH
T160433238AED51572F37BDE758AF651C7AA747C227902290F4086B3500C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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