cryptodef | d1f89317ed616f988de162c1670b62a91eb3d3d637d205c238d2a99333e7d777

Analysis

max time kernel
149s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/08/2026, 23:27

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General

Target
2026-08-06_1cc7e41cd84789ea4bfe1eece98ae8ce_elex_wannacry.exe
Size 36KB
Sample260806-3fvsdswthz
SHA256 d1f89317ed616f988de162c1670b62a91eb3d3d637d205c238d2a99333e7d777
MD5 1cc7e41cd84789ea4bfe1eece98ae8ce
SHA1 dc069daf30776872d1f899e77191a543afa4e127
SHA512 379aa9dbba12e2a3673eefb819d684e646a97f700f258a78bdbe141e2247f59b7b61b56c04eb5be4cf29c4e401823203b5936f4d8df7d575fb008f63fe173c2d
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJb:NHxbwCOVqhe+8Ymcuwrvl07
TLSH
T1C003DB78AAD51972F37BDE758AF241877A747C22B912190F4085B3600C33E76EF69A0D
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/0x000d00000001b86e-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3940	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	2026-08-06_1cc7e41cd84789ea4bfe1eece98ae8ce_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 4936 wrote to memory of 3940	4936	2026-08-06_1cc7e41cd84789ea4bfe1eece98ae8ce_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-06_1cc7e41cd84789ea4bfe1eece98ae8ce_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-06_1cc7e41cd84789ea4bfe1eece98ae8ce_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4936
- 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:3940

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 37KB
SHA256 1aa28a68c1a1e45e48a7e9e245a6b8ade6cf170a91b1ef6db76fe49f8bf94082
MD5 d748634068ebc13851c6ecc23d9a2532
SHA1 f5ba7f7326a8395a69a9cc9edc68b86c0ebfda99
SHA512 46b2adee579192a16386a53ecf15104956dfd01f785fa61d3fd0d5e540812aa9bb3e97b4068c357df6ee5a11fa6d9f655fb103264f41c1337242064b22dea6ba
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJz:NHxbwCOVqhe+8Ymcuwrvl0T
TLSH
T1FC03DB78AAD51972F37BDE758AF241877A747C22B912190F4085B3600C33E76EF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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