cryptodef | 34a88da4f9c94f9684bb0cdb637db853c8a1b473518d7705f2e7e6603c850e62

Analysis

max time kernel
149s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/11/2026, 10:35

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General

Target
2026-11-01_b96f3d506f276f3f9c4a0021bb798317_elex_wannacry.exe
Size 54KB
Sample261102-mmyvmabs6k
SHA256 34a88da4f9c94f9684bb0cdb637db853c8a1b473518d7705f2e7e6603c850e62
MD5 b96f3d506f276f3f9c4a0021bb798317
SHA1 311206423d67d03eda0ea21f3cf3f12aed7e5493
SHA512 b7f02cc6829f2e8002748e26974e7fca1559829ac2402931adf64803e34e493f64eb7fc6b501866851a030e100c18e4fb4645f5a38f9ce20e988a5f21f0cbfd9
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp3VM8e:fETVqhp8AvGBFswzLKiWmpQ
TLSH
T1EC432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000600000001b857-3.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4224	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	2026-11-01_b96f3d506f276f3f9c4a0021bb798317_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 5420 wrote to memory of 4224	5420	2026-11-01_b96f3d506f276f3f9c4a0021bb798317_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-11-01_b96f3d506f276f3f9c4a0021bb798317_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_b96f3d506f276f3f9c4a0021bb798317_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5420
- 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:4224

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 54KB
SHA256 8f954d30099ffbf3baebe736b95acc209b1d5de09db2c0cb362c5b07cddb03e6
MD5 379203b642378f2e3f9047bdb5857c4c
SHA1 321c791bf7ff1045898c31eb2ecce67486ef549e
SHA512 e3496f6a9c212e6c933b59643413cd61bc9809525dd639b7fb0da58544689e62bbb7d4e700e4985d669368ccdff84c06a7fee51f0bca4e9a1ad1dd76aa640188
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp3VM8v:fETVqhp8AvGBFswzLKiWmpN
TLSH
T1E4432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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