39dfbcbdd2b036e4582b07cff7571d0437f239269b67132f72dfa9c2e01a1f38

Analysis

max time kernel
150s
max time network
151s
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, 10:02

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General

Target
2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_elex_wannacry.exe
Size 17.7MB
Sample260804-l2ymqshc42
SHA256 39dfbcbdd2b036e4582b07cff7571d0437f239269b67132f72dfa9c2e01a1f38
MD5 b9a3c2282af451df4b2df7b93d7d13e6
SHA1 c55586841e59973393bd00cb8cbd4c99a59e2706
SHA512 9b6bf75c533ff1354ffaac2856968306a7578c2454750f4b567b1261bec72b16bd0c457cdce32143067ce4eab9a2c8d50543abf5704142dd4e2da4e6f645c245
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN0:j7
TLSH
T1C91793AED780421B7891ACDCFBA9941F547AC2778937DC59914786FCAC8423E8CF8B44
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1512	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared P\lsass.exe	2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared P\lsass.exe	2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4100	1512	WerFault.exe	88

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	2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_elex_wannacry.exe
1512	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1512	3052	2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_b9a3c2282af451df4b2df7b93d7d13e6_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:3052
- C:\Program Files\Common Files\Microsoft Shared P\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 472
    3⤵
    - Program crash
    PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1512 -ip 1512
1⤵
PID:2728

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 P\lsass.exe
Size 32.0MB
SHA256 441696a0553c1bfed95e92bcb95a03ef2be2e89d263632cae266cd4fe2ec9827
MD5 6dc3ab06ece9d3a6e95771f1ede544e5
SHA1 0ea4cb43f1d13be52b8d67deb01cc4a9262203e9
SHA512 37d804a16f5f274f4b0b73c7274065d0a1e7e9526744f293ce84644496506cf738b21a6f549f8cda686c63fe67d58bd07a89e7b4a03e0c28d50c3fb08011bd9a
SSDEEP 12288:j4NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNj:jO
TLSH
T1DA77D7CDD3E142265A71B5DD6AA0998F0FD7C232E473AC1D49448BAD7A4761ACCF8B0C
MD5 SHA1 SHA512 SSDEEP TLSH

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