cryptodef | b620c273a48c322ff56648eb0b58afee76cd0bb52bde7528655bd56a10e48f7b

Analysis

max time kernel
149s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 21:32

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-08-16_49dd0a4e918e9046cd94a5094ca579a3_elex_wannacry.exe
Size 36KB
Sample260816-1dr8daxyfx
SHA256 b620c273a48c322ff56648eb0b58afee76cd0bb52bde7528655bd56a10e48f7b
MD5 49dd0a4e918e9046cd94a5094ca579a3
SHA1 048d09b0d9bd5140f293e0d90b3b67dec7228ca1
SHA512 a006049d5d5ce42b9cff44b9eab3dc07ab5fa8bc664deb64948e36f34fc28939b0ec0edb85fd4007ab2823f595095cdacf8ab3f60ad9d78e8cac54a9f4c2cf11
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJU:NHxbwCOVqhe+8Ymcuwrvl00
TLSH
T1BFF2DB78AAD51972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000b00000001136a-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
2948	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	2026-08-16_49dd0a4e918e9046cd94a5094ca579a3_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 996 wrote to memory of 2948	996	2026-08-16_49dd0a4e918e9046cd94a5094ca579a3_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-16_49dd0a4e918e9046cd94a5094ca579a3_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-16_49dd0a4e918e9046cd94a5094ca579a3_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:996
- 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:2948

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

Loading Replay Monitor...

Downloads

eilgx.exe

Path C:\Users\Admin\AppData\Local\Temp\eilgx.exe
Size 36KB
SHA256 831289e69dde05f234e340112e5347a4902890e44828729596004c26d18bbdc3
MD5 7038275da1b914078cb2c8bffdb7a486
SHA1 bc7f856031b216c66cf129f27a8c0fcecafcd56b
SHA512 337cbc1370c4bfb9688c4cbf085be287a6b80cfcf3f177969b821baf238e18cb03f9d751c46596b8c036fcf135ed6e03cb218c802691cb78f402f538c66adcd7
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpJI:NHxbwCOVqhe+8Ymcuwrvl0o
TLSH
T1FAF2DB78AAD51972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download