cryptodef | 30d6d4b8dd97e834d8d937329edb2665324fe3acae6137dbc8f7dffd02653ed8

Analysis

max time kernel
149s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 07:09

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General

Target
2026-08-20_5a6d2d81991983b9a82c7bc94102e2d7_elex_wannacry.exe
Size 55KB
Sample260820-hzbhmsgk2x
SHA256 30d6d4b8dd97e834d8d937329edb2665324fe3acae6137dbc8f7dffd02653ed8
MD5 5a6d2d81991983b9a82c7bc94102e2d7
SHA1 f3602c51e5756812ae8fa4763dbd972f8edab231
SHA512 eba7e6588204b1858d02958825fceb389e77ebe330a4ce581a5a47e741ef0af7913fb2926f0400b22e4885002baa627cedf4c22d4af957f0bbb5a1b6a3052e28
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjz:fETVqhp8AvGBFswzLKiWmJz
TLSH
T137433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000a000000011390-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3632	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	2026-08-20_5a6d2d81991983b9a82c7bc94102e2d7_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 3472 wrote to memory of 3632	3472	2026-08-20_5a6d2d81991983b9a82c7bc94102e2d7_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_5a6d2d81991983b9a82c7bc94102e2d7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_5a6d2d81991983b9a82c7bc94102e2d7_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472
- 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:3632

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 55KB
SHA256 aa4650992d15180d981205c4d78e0690e5ccd4d3e88eec723f173a87dbf452c2
MD5 0fd7416bf1d6ca958b379a84d68d2882
SHA1 3c38cf86c1cba4b20acd3ccc687518498b109c25
SHA512 959b7ecdab06dab6b5ebaa00c959c4fc0ba9e3be5cd2fd70dfadfb5c19159f3fdf6afb4778d8e65eab30dc54769527d73b1530e67f490a8e5dcc62acc3162a01
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrj6:fETVqhp8AvGBFswzLKiWmJ6
TLSH
T193433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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