cryptodef | 95126e6b7fd6fef3fe34d27c1bd8da386c52cac7963ead5656bfb837e7561462

Analysis

max time kernel
149s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
21/08/2026, 05:38

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General

Target
2026-08-21_7e2f651d6077d5610f546642de2c88b2_elex_wannacry.exe
Size 55KB
Sample260821-gb8msshg97
SHA256 95126e6b7fd6fef3fe34d27c1bd8da386c52cac7963ead5656bfb837e7561462
MD5 7e2f651d6077d5610f546642de2c88b2
SHA1 6086243f35752985a07b1e093ecc5ee9a2623b5b
SHA512 8879f16a4e4c73d14916552ea8d6497f5d2d1f33ebfb7f027c8ceb5fc2d4a1d7c102700a533f20aa1af5699f33e6dce5773cda58475b7cb6feddf4e8d4dd3396
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjZ:fETVqhp8AvGBFswzLKiWmJZ
TLSH
T1C0433338AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
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/0x000f00000001b896-4.dat	family_cryptodef

Executes dropped EXE 1 IoCs

pid	Process
3060	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	2026-08-21_7e2f651d6077d5610f546642de2c88b2_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 244 wrote to memory of 3060	244	2026-08-21_7e2f651d6077d5610f546642de2c88b2_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-21_7e2f651d6077d5610f546642de2c88b2_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-21_7e2f651d6077d5610f546642de2c88b2_elex_wannacry.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:244
- 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:3060

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 55KB
SHA256 b3eba05f1e9fb5df03c7e298a794b7bb64038273673f674b11ecdbc62587b3f9
MD5 72b87b088b65e1cef63dde419cef1ab8
SHA1 565a47a36b029fc3524797c622791d4b5430b160
SHA512 460604047fe9bdef8ce4765626e7337abd073ed586daf0849f410cf20b00bb960a08ce4b291617bd3a21217a1cf39b3a8f0f4491117b0b076a520ee73265bd53
SSDEEP 768:NHxbwCOVqhe+8YmcuwrvGBETGxtJH7jAKtzkyCzkKiWmpfrjz:fETVqhp8AvGBFswzLKiWmJz
TLSH
T1AD433238AED51572F37BDE758AF651C7AA747C227902280F4086B3540C33F76AEA5A0D
MD5 SHA1 SHA512 SSDEEP TLSH

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