cryptodef | 73f8aae755b1e023448a6640b333675ffb61d5c0c4271599a4a26ce9e6906cbc

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
02/06/2026, 00:46

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General

Target
2026-06-02_f882e86545c198b01332030454c4ca31_elex_wannacry.exe
Size 53KB
Sample260602-a4tk1sbv6j
SHA256 73f8aae755b1e023448a6640b333675ffb61d5c0c4271599a4a26ce9e6906cbc
MD5 f882e86545c198b01332030454c4ca31
SHA1 e15fea8401eba598a7450bb69391743f148d8dd9
SHA512 e52d0117666038491d680a52e2a7cabf628d7d8913d4267bee075727e95bc53b9bd5772a69cfbdbc3627ef50d18386a23fc980655a3dec13f7f6e04cb8312d75
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrZ:fETVqhp8AvGBFswzLKiWmr
TLSH
T1D9334338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x001f00000002b2a8-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3700	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	2026-06-02_f882e86545c198b01332030454c4ca31_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 1528 wrote to memory of 3700	1528	2026-06-02_f882e86545c198b01332030454c4ca31_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-02_f882e86545c198b01332030454c4ca31_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-02_f882e86545c198b01332030454c4ca31_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1528
- 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:3700

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 53KB
SHA256 cb414282c5a378c76cff9817a21edaa5244e309b57e0e19b39c431820c6c5192
MD5 c9a146d5b3597d8363e0b441ce7e040f
SHA1 db78ac26898974b6b34e2eb42ff9fb84bf413c51
SHA512 7d684c09d5b081840c691998e68592a6df6d64abc9dccb687dfd1ed02927a0e90d06fa450dde6517e282038a205b938359751bb7bf253002930c1b02c2d5ace1
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrV:fETVqhp8AvGBFswzLKiWmX
TLSH
T166334338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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