cryptodef | 94ac78a296f8711338a8370da25a34b434e1c338845cbfbf68e9e558de79bd52

Analysis

max time kernel
149s
max time network
121s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/07/2026, 22:49

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General

Target
2026-07-07_aeb4d1435b355e0d90428db4587d1a34_elex_wannacry.exe
Size 35KB
Sample260707-2rrpfafv6v
SHA256 94ac78a296f8711338a8370da25a34b434e1c338845cbfbf68e9e558de79bd52
MD5 aeb4d1435b355e0d90428db4587d1a34
SHA1 d666bdf9c880d3d431a930931a73b07dce6c631c
SHA512 cbd8447f582ec80f9d6ec2f01832e9c08dcf8abc0e7720d2936a6720b4d5b8f98f2a0b55db578fd4fa304dfef3eaabcc7bb5d27f12f2d0f51751eb9a63384f77
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqp4:NHxbwCOVqhe+8Ymcuwrvl0y
TLSH
T1B9F2CB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
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/0x00160000000115f0-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
4500	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	2026-07-07_aeb4d1435b355e0d90428db4587d1a34_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 5888 wrote to memory of 4500	5888	2026-07-07_aeb4d1435b355e0d90428db4587d1a34_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-07_aeb4d1435b355e0d90428db4587d1a34_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-07_aeb4d1435b355e0d90428db4587d1a34_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5888
- 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:4500

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 b7d24c8fed5c43f56731e98de567e64df93003431a19715612d4315b45133763
MD5 06af2f3b622fe04822848cce842533bf
SHA1 3c7ac76bcc01a6f83f355264d7cfcf192caf5edb
SHA512 b72c10fa5194088a86de1572c9f34c68a6f9e2d3bf76b5e7260de5540d6ebe36a5838b58e3835daa9928d372da06d9924ae43a0f97d2634318e6463673f4e035
SSDEEP 384:5vZBIeR0u7wCOVqheen8YmD+h1dsN8ERwrfMEsRZtMMdygOqp7:NHxbwCOVqhe+8Ymcuwrvl0F
TLSH
T173F2CB786AD52972F33BDE758AF641877A747C22B912190F4085B3700C33E76AF69A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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