cryptodef | 61229e8afb793fba915f692705b915a29bf0f07c1d3ff3d5eea6ec4320aaf15d

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/07/2026, 09:27

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General

Target
2026-07-11_582eeb7ab988f6a08c9eab437859d77b_elex_wannacry.exe
Size 54KB
Sample260711-levybshs4y
SHA256 61229e8afb793fba915f692705b915a29bf0f07c1d3ff3d5eea6ec4320aaf15d
MD5 582eeb7ab988f6a08c9eab437859d77b
SHA1 e7a0a10586817b308f2f4aee206aa2e6ff0cf05d
SHA512 fca20bda0d81edcf4477aef2d809c9957056aef1087ea9b9daea41f07f73f07d23b4a31a42f97c26f01c8f1635892dd74e6bb9e8c8213fa7dbc98a7face1f61f
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjb:fETVqhp8AvGBFswzLKiWmJb
TLSH
T19A433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x00160000000115f1-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4272	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	2026-07-11_582eeb7ab988f6a08c9eab437859d77b_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 5792 wrote to memory of 4272	5792	2026-07-11_582eeb7ab988f6a08c9eab437859d77b_elex_wannacry.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-11_582eeb7ab988f6a08c9eab437859d77b_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-11_582eeb7ab988f6a08c9eab437859d77b_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5792
- 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:4272

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 e92c6bcaefd5183160b54d0ca557a250210eac5affbfe2cf8d8a0ff54afbbce1
MD5 5060fa3deea9a7328ad05a3e2f914bc6
SHA1 73a78f52b0d6f47a264c20b21f3bd4aa72250640
SHA512 f2f44ab9094b4f88a59b9a4aeb7936420d4ce3a3e31090f5989087308843fc4944f959f0cc8b1b8946ac95c95bdd4b22c8ddf1b2e5ceac1190f3b9817680dc96
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjb:fETVqhp8AvGBFswzLKiWmJb
TLSH
T127433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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