3a2f9e4de10bacf18e5973604447a3b1ff5aa06c644f80d6fde015b858added2

Analysis

max time kernel
149s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

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

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General

Target
2026-08-10_a9746496e17891e6d8af31a96ca6637e_elex_wannacry.exe
Size 17.4MB
Sample260810-erwxtsaq2x
SHA256 3a2f9e4de10bacf18e5973604447a3b1ff5aa06c644f80d6fde015b858added2
MD5 a9746496e17891e6d8af31a96ca6637e
SHA1 d763f34c0dc29a96558058ef4742d8551f7bf0bf
SHA512 ff1d7d283ead7ab71148f332da4ef8539b46dc87d5ee3fb5cda821143c2ee30eb9ff21f669133a2934f9967b430fedb2d5b806289a83abca9814ed7435fd1be2
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNJ:jA
TLSH
T12D07313A2A9A0344DD5E9D43092A6A67FAF380D586C3CF833AF5F2F21715AC9401B55F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared U\lsass.exe	2026-08-10_a9746496e17891e6d8af31a96ca6637e_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared U\lsass.exe	2026-08-10_a9746496e17891e6d8af31a96ca6637e_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1956	1168	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	2026-08-10_a9746496e17891e6d8af31a96ca6637e_elex_wannacry.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4408	2026-08-10_a9746496e17891e6d8af31a96ca6637e_elex_wannacry.exe
1168	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 1168	4408	2026-08-10_a9746496e17891e6d8af31a96ca6637e_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-10_a9746496e17891e6d8af31a96ca6637e_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-10_a9746496e17891e6d8af31a96ca6637e_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:4408
- C:\Program Files\Common Files\Microsoft Shared U\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 472
    3⤵
    - Program crash
    PID:1956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 388 -p 1168 -ip 1168
1⤵
PID:3840

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 U\lsass.exe
Size 32.2MB
SHA256 b775f1dfa80e326820fc1029ae3f104f6421415fd8c9c1432f23e48c69538b3c
MD5 9d6bb73d1c3bc9e29cd2a98e94230f24
SHA1 8f8a1cf7a678998adeff08cb9214db741e4c658e
SHA512 8c40fb825154c4a15c09b246edb3c0cacf8b2f1dc495d48b660a36051db731151a6e4953748a17623ca6d66a7b97ec4138c03f713ebbd3d4cb6f6f7cfe1d4d52
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN4:jn
TLSH
T1E477B92E26560348C556DE231DA669677FE2C88406C78DD323E9E373BF0D5CAB4350AE
MD5 SHA1 SHA512 SSDEEP TLSH

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