cryptodef | e57970a52aef8b3934d6a8f0cbff0aabf8b2bfda515b81a0877e9710fc3c2be4

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
19/04/2026, 22:50

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General

Target
2026-04-19_c00b9408ff65f267b34923f24c640ea9_elex_wannacry.exe
Size 55KB
Sample260419-2sdtzaby2p
SHA256 e57970a52aef8b3934d6a8f0cbff0aabf8b2bfda515b81a0877e9710fc3c2be4
MD5 c00b9408ff65f267b34923f24c640ea9
SHA1 65ebcf5ba7f6d391f36d3d0e90b6d171dbe16b82
SHA512 77fc7b76639776160e295b557ff296a6d30abca81586cda4eb639958a582f0cafeb4d77a79442dbb13f7b70a97e3bb1cfa62ba0b3a8c46ea515a4b8dd88d7acd
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp657BY:fETVqhp8AvGBFswzLKiWm87BY
TLSH
T16C432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000500000002a738-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
5040	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	2026-04-19_c00b9408ff65f267b34923f24c640ea9_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 3316 wrote to memory of 5040	3316	2026-04-19_c00b9408ff65f267b34923f24c640ea9_elex_wannacry.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-04-19_c00b9408ff65f267b34923f24c640ea9_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-19_c00b9408ff65f267b34923f24c640ea9_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3316
- 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:5040

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 dfbd04d588e9de8a75e66e992d55dbfd8d78f89c96fe441ae450e9fb90d850d4
MD5 edcc0ba536fee963fe729725f869d432
SHA1 0e8f8d8fd92a582efd1dce55eae61c297612d230
SHA512 a2fbc64e49de62b8d1af5e719f58770c121cc42a95bcfebbd7baad8b22f4809445c6b011409f86fce07b2fbd9400c5b382d8bc99bc6ae6fcd36a087e4322086d
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp657B9:fETVqhp8AvGBFswzLKiWm87B9
TLSH
T1C9432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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