cryptodef | c6ad38e670b474420a554f57554fc3c0a2ef72a07b2bad2aeeeb91df95081cb1

Analysis

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

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
30/07/2026, 07:51

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General

Target
2026-07-30_7217b4f7068427dfb14e5b8f79ac90c0_elex_wannacry.exe
Size 54KB
Sample260730-jqbmqaxtes
SHA256 c6ad38e670b474420a554f57554fc3c0a2ef72a07b2bad2aeeeb91df95081cb1
MD5 7217b4f7068427dfb14e5b8f79ac90c0
SHA1 aa632556afaf9de7d09d3d360b25324939d860c4
SHA512 4a8a2981e84e32778cf322ee1fe28d10f531c7ff77e730467cfcbe617b3efbe98c008c798e81bd88177355c3eca6487f5895b1eb5e76ff1edfafd5efdd8d4f60
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjl:fETVqhp8AvGBFswzLKiWmJl
TLSH
T17F433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000600000001b853-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
5348	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	2026-07-30_7217b4f7068427dfb14e5b8f79ac90c0_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 4116 wrote to memory of 5348	4116	2026-07-30_7217b4f7068427dfb14e5b8f79ac90c0_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-30_7217b4f7068427dfb14e5b8f79ac90c0_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-30_7217b4f7068427dfb14e5b8f79ac90c0_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4116
- 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:5348

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 95bc963ad17f8f53acd52bbff0ff769e5c62d4c3a322140d4e59a2bd34afe7bb
MD5 762b35749d906f44dce360e928abbc0b
SHA1 51272d9b53d106bf81e152743556905d1c9c3db1
SHA512 2f1017085f3e6c120db56e4b0d6bae1ddfabf59ea83a428a5162e5fc1df3f5216396e43f3e26e9af72c7b631fd3fb0e889df7641239f444599a5812c42450734
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjN:fETVqhp8AvGBFswzLKiWmJN
TLSH
T16B433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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