cryptodef | 7e36f4fe96aed61d6a0a689ab2b36efe3915529892a42d6b60a0de889df77159

Analysis

max time kernel
149s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 02:23

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General

Target
2026-07-20_f42050d5d84cecd73ccafa2a0f2ba5c2_elex_wannacry.exe
Size 54KB
Sample260720-ct7e8scv5m
SHA256 7e36f4fe96aed61d6a0a689ab2b36efe3915529892a42d6b60a0de889df77159
MD5 f42050d5d84cecd73ccafa2a0f2ba5c2
SHA1 2527ff313d2806a6a7ee4a74d8cb230e940fc31d
SHA512 f99967257ff1f669a44f242daef7ddf61fb09559e08050f078d83aaa4b8af8baa073148e7c17d0f35ce327820731aad8c4bafcf39d2b90c2aa80d8fbfe0cf9d9
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjX:fETVqhp8AvGBFswzLKiWmJX
TLSH
T135433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x00120000000118f0-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
2684	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	2026-07-20_f42050d5d84cecd73ccafa2a0f2ba5c2_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 1476 wrote to memory of 2684	1476	2026-07-20_f42050d5d84cecd73ccafa2a0f2ba5c2_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-07-20_f42050d5d84cecd73ccafa2a0f2ba5c2_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-20_f42050d5d84cecd73ccafa2a0f2ba5c2_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476
- 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:2684

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 54KB
SHA256 c9602e143f5f852b863062948af99b36b9820dce9db1920ef35f7f0066553f1f
MD5 8bdac8b778d3c963149350263836c6d4
SHA1 1d09f3137a4e63e872c4006ea626b3198296b9e2
SHA512 658a2a275257c95c6abdce3f987fd4bea7cceef9a2ed2e8fb5cf840d2e4756de2c264f421f754d01b2c4b4e8bee5cfd97a9d82d888b8fb3503a5e73c0343cad3
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrj1:fETVqhp8AvGBFswzLKiWmJ1
TLSH
T18A433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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