857c480f75f5f94d6547170ac4acb2b30e3cb4276d3cd0803a3b5837e6bb2d52

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 10:04

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General

Target
2026-08-03_b82fb6582117c30e0f629a229ee03ac5_elex_wannacry.exe
Size 23.8MB
Sample260804-l32qsahc62
SHA256 857c480f75f5f94d6547170ac4acb2b30e3cb4276d3cd0803a3b5837e6bb2d52
MD5 b82fb6582117c30e0f629a229ee03ac5
SHA1 6537b0d1c168433d0abc222df7746a0961db3672
SHA512 1fbd5ed32aa02e3e5df6769fcd06526b3bc91da32644537a56c10268f1b2851c5bc3e8ec1820e8df982ecbb01edc81841b309778d0f4d340e2ad113385f0a27e
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNe:j3
TLSH
T11547F7A82E20D7F4C7592CF81ED9D6E899A1F342742664FCAD87012C90F971D067F2AD
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1572	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-08-03_b82fb6582117c30e0f629a229ee03ac5_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared M\lsass.exe	2026-08-03_b82fb6582117c30e0f629a229ee03ac5_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1184	1572	WerFault.exe	89

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	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-03_b82fb6582117c30e0f629a229ee03ac5_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4108	2026-08-03_b82fb6582117c30e0f629a229ee03ac5_elex_wannacry.exe
1572	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 1572	4108	2026-08-03_b82fb6582117c30e0f629a229ee03ac5_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_b82fb6582117c30e0f629a229ee03ac5_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_b82fb6582117c30e0f629a229ee03ac5_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:4108
- C:\Program Files\Common Files\Microsoft Shared M\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1572
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -s 472
    3⤵
    - Program crash
    PID:1184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1572 -ip 1572
1⤵
PID:1720

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 M\lsass.exe
Size 35.5MB
SHA256 bf842a69cd855c1bc31955485cb6e0e3f2f66e58c931d06cbd9dfb9b4b657717
MD5 58fe2330f8e25a2601b6c88289f8fd88
SHA1 fb055fc1a3adc8b6222c94baa67cf37f1885246e
SHA512 c196a7e6abef6b576aef5584b8d6b41e54489078a5808fd6a5b053b6d8a5a9fef368c086707dc1ad67354c198a7e5860428240383b7ddcaee17afbf2b6063c24
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNh:j2
TLSH
T1AE87E6822B15C2B8CB5728B61FD5C59CAD2EF356A83858F85E031A2D50743AD057F3BE
MD5 SHA1 SHA512 SSDEEP TLSH

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