cryptodef | 9c856e21d790d72c0274e7dacab2dd3c17547cb57fb9352e9667115ab8365fa4

Analysis

max time kernel
150s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/09/2026, 23:39

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General

Target
2026-09-07_6c4ff569fce7c097f6d35442bc8c48ab_elex_wannacry.exe
Size 53KB
Sample260908-3nfcnsaa68
SHA256 9c856e21d790d72c0274e7dacab2dd3c17547cb57fb9352e9667115ab8365fa4
MD5 6c4ff569fce7c097f6d35442bc8c48ab
SHA1 1569e92f0c3c640dca68276d631c2f9b61988816
SHA512 40ad7a6229606a01a014237972fe9bab29672cca8842b85951a134a0a5bc6e4f977d9cdf9091b794fc8888844801f3c021ab18cea42173a25847f18820f31451
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrj3:fETVqhp8AvGBFswzLKiWmJ3
TLSH
T12D334338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000e000000016ccb-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
5716	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	2026-09-07_6c4ff569fce7c097f6d35442bc8c48ab_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 6120 wrote to memory of 5716	6120	2026-09-07_6c4ff569fce7c097f6d35442bc8c48ab_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-09-07_6c4ff569fce7c097f6d35442bc8c48ab_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-07_6c4ff569fce7c097f6d35442bc8c48ab_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6120
- 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:5716

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 c58942a150c244e526e91cc8bcc7736b7bead30b5f7d61484c37b15d2523bce1
MD5 62a6a7bab4e109fe8cf7f10d11aa39fe
SHA1 ea2430d6ab8d709d4eadc64a835a15d2181e01b4
SHA512 9c4762e27ae05adddbd3613ee420197b911f336e6539ed8a33faa545feaa4072647575f78ccc2b4f3e66b7f9f2ba04149848ed75306e9333a1d8667cb6d806d0
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjV:fETVqhp8AvGBFswzLKiWmJV
TLSH
T1E6333338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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