6d7e4db824f0c565e2cf7a72ada7a93a5e2d5d95e1cffcb2d6ea32cf21927e27

Analysis

max time kernel
150s
max time network
134s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/09/2026, 23:15

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General

Target
2026-09-03_c4a5c7713374b5a757e5773115fea696_elex_wannacry.exe
Size 18.1MB
Sample260903-28yt3stycx
SHA256 6d7e4db824f0c565e2cf7a72ada7a93a5e2d5d95e1cffcb2d6ea32cf21927e27
MD5 c4a5c7713374b5a757e5773115fea696
SHA1 d2a163a78367f211946cd2e0e40069ef18b9d818
SHA512 3d9c7c6a042e186693a35c6a9c5dfd3c70f54741b084b1133693359c9b06ba1d67cad6c2f1ff71d4c9727587a91625e3627db08add6da7e46deb0118d212b027
SSDEEP 49152:9KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGE:9a
TLSH
T13517C7E6B8C9DCDDE3895473251A38FBA46D55A804006835B3DCF19A1F3B7CA44A6B33
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5112	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-09-03_c4a5c7713374b5a757e5773115fea696_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-09-03_c4a5c7713374b5a757e5773115fea696_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4872	5112	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	2026-09-03_c4a5c7713374b5a757e5773115fea696_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4948	2026-09-03_c4a5c7713374b5a757e5773115fea696_elex_wannacry.exe
5112	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 5112	4948	2026-09-03_c4a5c7713374b5a757e5773115fea696_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-09-03_c4a5c7713374b5a757e5773115fea696_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-03_c4a5c7713374b5a757e5773115fea696_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:4948
- C:\Program Files\Common Files\Microsoft Shared T\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5112
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 468
    3⤵
    - Program crash
    PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5112 -ip 5112
1⤵
PID:2860

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 T\lsass.exe
Size 30.1MB
SHA256 fcde76dfae3206baa4727d41ef036083099d317a4111362adc3ac7e4066a631c
MD5 df2d7d3f50c1bab8ad90150ecacb7df7
SHA1 c22b91afda9c87ba196a33d67b99ca64d599cddd
SHA512 f923f9e3dcc5aaaa71738ee91343faa6221286b33d0446b1703cdfa91848bf88b19dc450cf40af5e55c4e35f96114c49cab4337fa0f85ce90b36e50c903ae634
SSDEEP 49152:9KGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGx:9z
TLSH
T1BC67CAD9784CCEDEE2C39173241508AD712F2E788510295AB3EED5CC2F77B85A167E22
MD5 SHA1 SHA512 SSDEEP TLSH

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