c8e43e78aed199f71282ef42f5ec15aa63ab85a02487e2de97a791322b1cda00

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/05/2026, 14:44

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General

Target
2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
Size 13.2MB
Sample260506-r4alksc14w
SHA256 c8e43e78aed199f71282ef42f5ec15aa63ab85a02487e2de97a791322b1cda00
MD5 d526ebbbe4dadb4fde8ca4d0858b63f7
SHA1 2c172f2924aee7fac1764f80dcf543b1f66c210a
SHA512 ea8e83c6dd1e4125b9f8ebb906638f1b55aaac75fe5ee278a3a558c3f70c9e9f3cda981bb7a09a5f38216b9fd6aa7482214b4e7e64dcf6ef34294dad47f61b6d
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBk:E+
TLSH
T1A9E64432B0864776D8994A9B442B1BFBB4436EF9C2C2D73BCD53355C4930992AADC8C7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4268	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
4268	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared O\lsass.exe	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared O\lsass.exe	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_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	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
704	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
4268	lsass.exe
4268	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 704 wrote to memory of 4268	704	2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-06_d526ebbbe4dadb4fde8ca4d0858b63f7_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:704
- C:\Program Files\Common Files\Microsoft Shared O\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4268

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

lsass.exe

Path C:\Program Files\Common Files\Microsoft Shared O\lsass.exe
Size 25.4MB
SHA256 a4de71573b3f40ac47b60a31088e8177d5ac1ef96f368555b32cd73a5cbe7fb6
MD5 1cfbf92f0aaeb1f920da685ad8295792
SHA1 946aa3200ffae11638299ad0d51d43376772bfa5
SHA512 307e50c093869924835f2b176f44b4a825e62aa3755fd40a407955d122761a4f17f9aef1f15d6a4d88b7ca66c2b061df3e151979610564dab6f04541ace2108d
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBR:E7
TLSH
T15D47283161CF83779E8DA961242707E6B491AAE4C1CC97368E56390C0F367D269ECCDE
MD5 SHA1 SHA512 SSDEEP TLSH

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SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 f279dfcaf437f576686c24c8612445f6a40d85d34e2aa373e3689ff466ece8ad
MD5 376a158b855f7d7ecdc1544c74a754bf
SHA1 2a0659acec7289bfebb5902b4550a9e0c83f4843
SHA512 74399065515eb8126b82050d0041eea3a97076bccc63094ede7955cb13647ff4578802393b49a3fb7bf3ed61632d44184bdcce287a71b6a80520554f4e7bc84c
TLSH
T133B0120040794527055064178770555D95513849AB7F1F58A310CE5914D495DF748140
MD5 SHA1 SHA512 TLSH