cryptodef | 9fa00fd93c0880a502a84854baa78a7a84e4efdcb938653dd8b5d6902db8502b

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
06/07/2026, 07:21

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General

Target
2026-07-06_5be943696b1959e05558848ae86765eb_elex_wannacry.exe
Size 35KB
Sample260706-h6vvvsbs4v
SHA256 9fa00fd93c0880a502a84854baa78a7a84e4efdcb938653dd8b5d6902db8502b
MD5 5be943696b1959e05558848ae86765eb
SHA1 0b7eeb537683065424302ce9a2353e3662b280be
SHA512 11670460c6b3b943b39a14f07f293ed6f55b75632702d194b8a41156d80ac18d6f05911883e1d9f861d426915f4dfe92c0991173eb91fd6026d7e7eb25078035
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqp1:NHxbwCOVqhe+8Ymcuwrvl0r
TLSH
T144F2CB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x00160000000118d8-3.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
1296	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	2026-07-06_5be943696b1959e05558848ae86765eb_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 6124 wrote to memory of 1296	6124	2026-07-06_5be943696b1959e05558848ae86765eb_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-07-06_5be943696b1959e05558848ae86765eb_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_5be943696b1959e05558848ae86765eb_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6124
- 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:1296

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 05ebd4f68862ae2945efd9adc4d076714f0c813a4e24410887342aa717e922cd
MD5 c8a2e5d9f04aaf644294f2ff893970cb
SHA1 b9cc8a5c6f63692ffc45ecb26afbfbb7fdd77504
SHA512 376d9c4fc833588acac3805f39c63902df2a710b1777d1591aeeb4e8dc5f0fed0d63eac78910c2376f4e0462886197014b21c1ccd2702a88a88a752f533904c3
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqpA:NHxbwCOVqhe+8Ymcuwrvl06
TLSH
T181F2DB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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