f01423f65b388091d5b856ea9c07b902b3efd420cc66f709467f48fff2f25f07

Analysis

max time kernel
150s
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
17/08/2026, 15:01

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General

Target
2026-08-17_cfbd5ffcb345232056862712ef68150f_elex_wannacry.exe
Size 25.9MB
Sample260817-sd17aadj4v
SHA256 f01423f65b388091d5b856ea9c07b902b3efd420cc66f709467f48fff2f25f07
MD5 cfbd5ffcb345232056862712ef68150f
SHA1 fb58cc2cd3a2f04ae71222402260493b94d5b3ae
SHA512 06434093165f2248f78a374b16ddc5ec1b30949df802cca4cb27e9b9b84ed9f254e02a23dd4550e8c022aaa887a489c0985b497f3db1f6e179b903fb21987019
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBz:EF
TLSH
T15857C8BC90F4C15E22683692ED973919D2716988D86E0EECD180F077B13AF7AEB1715C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4316	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
4316	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-08-17_cfbd5ffcb345232056862712ef68150f_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-08-17_cfbd5ffcb345232056862712ef68150f_elex_wannacry.exe

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	2026-08-17_cfbd5ffcb345232056862712ef68150f_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4460	2026-08-17_cfbd5ffcb345232056862712ef68150f_elex_wannacry.exe
4316	lsass.exe
4316	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4460 wrote to memory of 4316	4460	2026-08-17_cfbd5ffcb345232056862712ef68150f_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-17_cfbd5ffcb345232056862712ef68150f_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-17_cfbd5ffcb345232056862712ef68150f_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:4460
- C:\Program Files\Common Files\Microsoft Shared T\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4316

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 38.4MB
SHA256 012ac8e73ed3019118d4bab3131e337c561fcdd5d05f522dfeb0c8bee203a99a
MD5 0775635f019359f3e7d72a0a310cea37
SHA1 d7d7096043177c175301a6ce43856e14c27d8cce
SHA512 ffcb109f4ea3cea35ba5a6f55662dc03fc87fef1c68b2022ab14ee02ca19a5f18b5acc7157fef031242bdf0b3914af2368b0def7342be8e5f46a49f7997b8293
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBS:Es
TLSH
T16297097C9075C11E12A439937AFA3D0AF36146D5CD7C09E8E2E0E1B2F13AA77DB56209
MD5 SHA1 SHA512 SSDEEP TLSH

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SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 66b0c657b02aa0f5b7c6e4250d399b804150ddb6449c3b0e190f5889b632090a
MD5 df0ee237bf3993b65250dec387db5c2b
SHA1 11e5b996d6768d864373c32cafe22692be6ca812
SHA512 3c64eb2adab11c293d18a5db3fd2474044293ab21f4871690b4550f9912d2c0777fab2e33f3ca52e7b199b9d49b4a708902fc03876746605b40d82aee0cd37eb
TLSH
T11AB0120081E9D6190900A157867552CAD1547B045E37635C7300D40CA5C144CF6C0921
MD5 SHA1 SHA512 TLSH