cryptodef | 2fd828bdc953cfb32b05c439551ec0467da276d7896c6ef58ba8349873f3a438

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/11/2026, 11:00

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General

Target
2026-11-09_bfee5e116eaa7a99535da6ea88e95ee3_elex_wannacry.exe
Size 54KB
Sample261110-m342ksh18v
SHA256 2fd828bdc953cfb32b05c439551ec0467da276d7896c6ef58ba8349873f3a438
MD5 bfee5e116eaa7a99535da6ea88e95ee3
SHA1 99cb233bc9bf82034c93512c7570f046d07b9f3b
SHA512 e045ec656dd585643f9c3cce2056c0cf595de19e6a983e6309b54fade1f3a75e8100fac2fbe9ed0d6e49ee282aee6b69bbe0adccf2ba3721e00bf49ffedc2f65
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp3VM8U:fETVqhp8AvGBFswzLKiWmpS
TLSH
T1BA432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x00160000000115b9-3.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
5004	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	eilgx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-09_bfee5e116eaa7a99535da6ea88e95ee3_elex_wannacry.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 5004	3640	2026-11-09_bfee5e116eaa7a99535da6ea88e95ee3_elex_wannacry.exe	90

C:\Users\Admin\AppData\Local\Temp\2026-11-09_bfee5e116eaa7a99535da6ea88e95ee3_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-09_bfee5e116eaa7a99535da6ea88e95ee3_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3640
- 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:5004

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 55KB
SHA256 dc792c7913fac22524951215c42e3257a6292e7f8241ea2781832887f4d27ded
MD5 f2e3457a48f4c7e287787ad8c8678314
SHA1 18034c4919185eeb3bcc23f0c568df0cd9a71a23
SHA512 d5c79c26e44aa64c13edee18ec5d0e3c2d9020b9b20908204483199a8b77466472578309d7042cd1fc1570c08f94baa7cead9aa4925e32e541d456333ad3c4b6
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp3VM8G:fETVqhp8AvGBFswzLKiWmp4
TLSH
T150432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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