cryptodef | 8106d4f2921dbcfe91ccabdbfca933eb20777f3eee258558b1ff2a447c9e0c33

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/08/2026, 19:19

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General

Target
2026-08-15_0636206154c5b8b5fa6bc27de73c09eb_elex_wannacry.exe
Size 55KB
Sample260815-x1x6css1bv
SHA256 8106d4f2921dbcfe91ccabdbfca933eb20777f3eee258558b1ff2a447c9e0c33
MD5 0636206154c5b8b5fa6bc27de73c09eb
SHA1 8e7e92740eb7f3019c6a221cd5670a1fea39430a
SHA512 b9bdccb1048027445762db00085910d181ba948c59e51fe3f14ee8c906c9b5d91551f543b82e601aa20cdae628824590fa416a3d92584255bae26d2613614879
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjZ:fETVqhp8AvGBFswzLKiWmJZ
TLSH
T120433338AED51572F37BDE758AF651C7AA747C227902290F4086B3500C33F76AEA5A0D
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/0x00170000000115ef-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
2320	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	2026-08-15_0636206154c5b8b5fa6bc27de73c09eb_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 4548 wrote to memory of 2320	4548	2026-08-15_0636206154c5b8b5fa6bc27de73c09eb_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-15_0636206154c5b8b5fa6bc27de73c09eb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-15_0636206154c5b8b5fa6bc27de73c09eb_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4548
- 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:2320

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 55KB
SHA256 f4d5b181c17a914c8930883535a880937058297a381814af76b58d90a4b5c4b4
MD5 1baeb102b7145076ff862a9447962e4d
SHA1 fadd1cd1216d9545cee3af438518566d68e5ab4b
SHA512 730dd4ee502c400c8ec17208957a126c8dbf30704fcd3049c130d6b877bee0f147b4ea2f34d53859926e815b1614ef4ee2c6b1f07295cef0b955e76570130d1d
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrj6:fETVqhp8AvGBFswzLKiWmJ6
TLSH
T187433338AED51572F37BDE758AF651C7AA747C227902290F4086B3500C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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