f54ef660050368509231bb267c9a851878264b18f6122253d8e4f47515440312

Analysis

max time kernel
150s
max time network
80s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 02:10

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General

Target
2026-07-15_b788d687f9a9dc45e73f81930efe8c97_elex_wannacry.exe
Size 15.1MB
Sample260715-cl577shw7p
SHA256 f54ef660050368509231bb267c9a851878264b18f6122253d8e4f47515440312
MD5 b788d687f9a9dc45e73f81930efe8c97
SHA1 08a26fe912c712d6efe8e736530233ffc3e2cce2
SHA512 91495a121407148a80f9f107069fe485233f3a0224d42f8ffe43e1de359dd01e744164b3b2177f55bad0d1ae816904ac6cbe29520d2d804142177d4c862bc6ed
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB/:EV
TLSH
T113F603E000351259D84B6C20F6CFF6601D9175C57881EEEB6BAA59BE26C539C803EF7B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1752	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
1752	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-15_b788d687f9a9dc45e73f81930efe8c97_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared K\lsass.exe	2026-07-15_b788d687f9a9dc45e73f81930efe8c97_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	2026-07-15_b788d687f9a9dc45e73f81930efe8c97_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4548	2026-07-15_b788d687f9a9dc45e73f81930efe8c97_elex_wannacry.exe
1752	lsass.exe
1752	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 1752	4548	2026-07-15_b788d687f9a9dc45e73f81930efe8c97_elex_wannacry.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-15_b788d687f9a9dc45e73f81930efe8c97_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_b788d687f9a9dc45e73f81930efe8c97_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:4548
- C:\Program Files\Common Files\Microsoft Shared K\lsass.exe
  1
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1752

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 K\lsass.exe
Size 27.1MB
SHA256 ac425205f2670299f9e1b90d793001c31454f140b0099c1f7c280702e4037846
MD5 b9ea324a9484a702f0ecceb283122c5f
SHA1 0e4b68d0ed670c4e3e36dcc6683d67bc75f70a83
SHA512 0841560958f886260fda54561027dad89b26400a14d7bf818e3285132d1f4e5fe398f44a1fe4e7267e83372ed1220054b22f7869c401fd1de76074de4c137b8f
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBm:E8
TLSH
T1DB57BA50407D257DD88E7C11A0CA61981CF0B58BA945BEAF26BD05F937C63EE882CF6D
MD5 SHA1 SHA512 SSDEEP TLSH

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SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 1e4a4940620cf2863949058f89f405ccaaaed69de0b91f02f69d6310da779b99
MD5 adb4325ba8a0202ab95eab13d5d8ff87
SHA1 fd677f94538e2812da6e9a744fc0886353608858
SHA512 16df4110d00e9f098004909ca0a16eeb1466334da5aefd3e540caf5a0bdc38ebf41a2dc6fba365c4d5856fcd366e29b3bd0bb28fe6106904da3757176fe3c8e2
TLSH
T1A8B0121081B989229888D007196569C8C0A17F852D1557665310D585528164EF978101
MD5 SHA1 SHA512 TLSH