cryptodef | e5699429d220b718c5b52bb078ab24fae8c3101983f99184eac35730d086b505

Analysis

max time kernel
149s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/04/2026, 15:11

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General

Target
2026-04-15_ded3430aa6399bf0fc9b298a6b3c0de8_elex_wannacry.exe
Size 54KB
Sample260415-skvm3sdv5v
SHA256 e5699429d220b718c5b52bb078ab24fae8c3101983f99184eac35730d086b505
MD5 ded3430aa6399bf0fc9b298a6b3c0de8
SHA1 d30334fd1a1ad1f0076d97c2dfcb07eb45fb4ed9
SHA512 4cba6b776871d92299ff1495d99457924d0ccb70dc9526450c9674eb67a971e530b3f1b259df49a5753512cfd9af7cb0996f765fe9a24006f99c78febf3f7483
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp657BP:fETVqhp8AvGBFswzLKiWm87BP
TLSH
T1D5432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x002400000002b0cb-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
1680	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	2026-04-15_ded3430aa6399bf0fc9b298a6b3c0de8_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 3456 wrote to memory of 1680	3456	2026-04-15_ded3430aa6399bf0fc9b298a6b3c0de8_elex_wannacry.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-04-15_ded3430aa6399bf0fc9b298a6b3c0de8_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-15_ded3430aa6399bf0fc9b298a6b3c0de8_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3456
- 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:1680

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 54KB
SHA256 f753ea5c6db256d67de664f06cd0586765fb5fbf85e110b842bdd567614bda06
MD5 242cd240ec7e4abd3968311a917972d6
SHA1 664512aba304bf8d1c55d5c3ece313cb2e9184a1
SHA512 fc8d734185e0f993839f4b09291f8579d5d51061fc9cd43efc9fc4a188dc887e7a81f2c4c10546402ff6b62a01442accc843c4afa10be728557b706fbc31042b
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmp657Bc:fETVqhp8AvGBFswzLKiWm87Bc
TLSH
T17F432138AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3456-8-0x0000000003A80000-0x0000000003BCD000-memory.dmp

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