cryptodef | d0bdccc4a17efc053df4f8ef19c422a03b57bf9161068940ac35b92ef6f82fba

Analysis

max time kernel
150s
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
26/10/2026, 12:40

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General

Target
2026-10-25_c7a9d760abae81dda3d95c588c55b0f5_elex_wannacry.exe
Size 35KB
Sample261026-pwpdnawygs
SHA256 d0bdccc4a17efc053df4f8ef19c422a03b57bf9161068940ac35b92ef6f82fba
MD5 c7a9d760abae81dda3d95c588c55b0f5
SHA1 ed29982849ece78d4a5aa29e155b0dd117f07987
SHA512 907d0298a90983aaf41ac8b0336de9a6f6ae3e262314dd89fdd6746ae6916dec4ad612a39da31097a591c5c5dd232bd6f7d16bf6fabc45ce005591aa0c1fd872
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqP:NHxbwCOVqhe+8Ymcuwrvl0P
TLSH
T1D8F2DC786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x000600000001b85a-3.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4648	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	2026-10-25_c7a9d760abae81dda3d95c588c55b0f5_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 4076 wrote to memory of 4648	4076	2026-10-25_c7a9d760abae81dda3d95c588c55b0f5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-25_c7a9d760abae81dda3d95c588c55b0f5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-25_c7a9d760abae81dda3d95c588c55b0f5_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4076
- 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:4648

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 35KB
SHA256 a226401d161f842696f34adc270ca4a687fc63e22d4e67cf09a730538b72db01
MD5 894963bd750ba1e2392b16e494325c6e
SHA1 0baf76638afbd1b5a4544d2b79237da0c1b1160e
SHA512 f5e38cdbf4db01db2c5e21bfe8f18f78ff2fc89678270449b7709523189abae9c9adae2928439bf9c212259c8d76a3d090af578b33a52f72c40858f7b6b2a953
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOq7q:NHxbwCOVqhe+8Ymcuwrvl0W
TLSH
T173F2DB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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