1d830fa6b3b079310e9cdfdb1febfd9917982dc1c84d22f90e346e98b6260689

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/05/2026, 02:10

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General

Target
2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe
Size 43.9MB
Sample260523-cl33vaaz7q
SHA256 1d830fa6b3b079310e9cdfdb1febfd9917982dc1c84d22f90e346e98b6260689
MD5 303b7ad31533a4daa83f9737caf7ef81
SHA1 2cae9a1ea0d02ee526a9b494ad216be5ad947c0e
SHA512 604338a87321ca89ebc366ccdb9b1eccb96e7db0f994f6a41b6c5c4b0bb88eefce1fff8ad8a0b7db0e8679375732df935fb0a833b072b030e23fc67271b6c1b0
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBZ:Ez
TLSH
T186A7B86AF4B5CD51959862BF289D82C8486575D4C3DB933AC4389F6D2A873EF0C933C8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2460	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
2460	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared H\lsass.exe	2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe

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	2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5304	2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe
2460	lsass.exe
2460	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5304 wrote to memory of 2460	5304	2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_303b7ad31533a4daa83f9737caf7ef81_elex_wannacry.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5304
- C:\Program Files\Common Files\Microsoft Shared H\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2460

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 0c912c4a5cc268192ab618487342bb7c38612e6039880e028f1a13b1a3a57aa0
MD5 824cb5f3ef8bae00182e39955f5822ed
SHA1 fe6126a3d4318fa451b07fbeceb9f79e2c403612
SHA512 33514d2ac58407b2669988d95767d83287ebccf674fd7e250d2dad6d19deb36dc474a292629b18a33ad2511e7a3754ded309619460f3e483beddc21e298126e0
TLSH
T185B01209C1BE462B30D0710B57A6251AE0133E0929966380C790C547158148CFB90501
MD5 SHA1 SHA512 TLSH

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