49f645c18dff9618de64cd99558609d9dffd3a7a90f8d59acb3a3008a34a630f

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
02/08/2026, 03:24

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General

Target
2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_elex_wannacry.exe
Size 16.3MB
Sample260802-dx7e3stbra
SHA256 49f645c18dff9618de64cd99558609d9dffd3a7a90f8d59acb3a3008a34a630f
MD5 2be7a9913d2b79a7744e3d0dfd5dc870
SHA1 e9b23250607ac4279af5274353cc8db0a32f0438
SHA512 c4c235a238b0fcc7c7247df334518c83f56abf15726086849beaf33ec9974fa8f20160a249af1a27b3fcb36f93a1299a0fdafebc13e173897cd531583e43442d
SSDEEP 384:z2MiPJznj7+1gfY1+2I1r8UTEjvgkWUKpQq6sCCCCCCCCCCCCCCCCCCCCCCCCCC+:zEPJznj7IMhrDTS5WY
TLSH
T17007328E3B3F903CA9932A7C4512EF174C263D8691D6F94F6DEA1A96DC351C882D4F24
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3716	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4996	3716	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	2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1396	2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_elex_wannacry.exe
3716	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 3716	1396	2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-02_2be7a9913d2b79a7744e3d0dfd5dc870_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:1396
- C:\Program Files\Common Files\Microsoft Shared A\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3716
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 468
    3⤵
    - Program crash
    PID:4996

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3716 -ip 3716
1⤵
PID:4872

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 A\lsass.exe
Size 29.0MB
SHA256 4f553760d995ae873703ccc7e847e2e2099f504038dd4468d346b3397be85e5e
MD5 77173fc6e2a3daa4f8687bfead6afa1e
SHA1 7e192d9266d9c836f8e3237af760bf18d111e1a6
SHA512 486863f40d91c74bb575810be9211e68001f3565ca925c1a4ae11adf77c2ad0277d4da8e28f1664b94e8b677f6fc01f5e76895b18e3b7cc76d51bebba9561153
SSDEEP 6144:AxG5Ejjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj:dK
TLSH
T1EB67858E3A3F452CA217267E82039F779D982D1162F2B99F0CE52D8DDAB54D113D8F18
MD5 SHA1 SHA512 SSDEEP TLSH

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