cryptodef | ee96c0ba228b935a6c54443acdaf1f7d262f8cf15252cde9c53b749d323b5ccc

Analysis

max time kernel
149s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/04/2026, 04:15

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General

Target
2026-04-15_85370a0fb7f4edc623b09cf0930e0c88_elex_wannacry.exe
Size 53KB
Sample260415-evlahaev5r
SHA256 ee96c0ba228b935a6c54443acdaf1f7d262f8cf15252cde9c53b749d323b5ccc
MD5 85370a0fb7f4edc623b09cf0930e0c88
SHA1 6404c781c495ccd446f6d213c5f8e580d2c7f561
SHA512 75da1d1a10077ce01c57401cde163aaa38fbeb69260d0dcd9d5f4a13e8ce40ae45ff43d33284c94c2704feb3e50c4e076dfd4cda1ee2c0cc2e85ad7c42d0c651
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp657ZE:fETVqhp8AvGBFswzLKiWm872
TLSH
T116332138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x001300000002ad60-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4488	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	2026-04-15_85370a0fb7f4edc623b09cf0930e0c88_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 3684 wrote to memory of 4488	3684	2026-04-15_85370a0fb7f4edc623b09cf0930e0c88_elex_wannacry.exe	78

C:\Users\Admin\AppData\Local\Temp\2026-04-15_85370a0fb7f4edc623b09cf0930e0c88_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-15_85370a0fb7f4edc623b09cf0930e0c88_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3684
- 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:4488

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 53KB
SHA256 1ee6bd48e22f487025a4a3e6dfc43cc7e7b18834591cfba3a64b19aae53a7e1a
MD5 e813189487d50870c83741e1848b45bb
SHA1 39e86bc1e91cc9483b93570c77f4719012df6efc
SHA512 897e41dd0153f5b07d3ddd8d8fa00be139ca783e917f50e0a6f0f087afeda34f787cfd9e18ccbff14f66473ec765a7f39a6d880093b8f616333d10375f2b656c
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp657Zm:fETVqhp8AvGBFswzLKiWm870
TLSH
T14D432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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