9bcf74e248fb0db776de3835377ece5a433910e3619f3addfbcb19ee23fe40ec

Analysis

max time kernel
150s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
23/05/2026, 01:58

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General

Target
2026-05-23_109aa9d0fab1e298981e689aa0264907_elex_wannacry.exe
Size 41.0MB
Sample260523-cdtjfac16y
SHA256 9bcf74e248fb0db776de3835377ece5a433910e3619f3addfbcb19ee23fe40ec
MD5 109aa9d0fab1e298981e689aa0264907
SHA1 8c9cb55d235221b7142dc1e88f3168e5842acd62
SHA512 af1554d2eb81c7fa8b1166336e396f9029badcdb89153b2ef3bb30d65b82cd1739c40c2981914db2e27794fb10cd269e6564a4dfb106a840b1ca8e6fe8c7574c
SSDEEP 24576:ETBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBs:Ee
TLSH
T13397DAC99A5B9095F831472D15FA9436D1DCC23EE12F4797BC80327B6E72ACE32252E1
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4848	lsass.exe

Executes dropped EXE 1 IoCs

pid	Process
4848	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	2026-05-23_109aa9d0fab1e298981e689aa0264907_elex_wannacry.exe
File opened for modification	C:\Program Files\Common Files\Microsoft Shared T\lsass.exe	2026-05-23_109aa9d0fab1e298981e689aa0264907_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	2026-05-23_109aa9d0fab1e298981e689aa0264907_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5144	2026-05-23_109aa9d0fab1e298981e689aa0264907_elex_wannacry.exe
4848	lsass.exe
4848	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5144 wrote to memory of 4848	5144	2026-05-23_109aa9d0fab1e298981e689aa0264907_elex_wannacry.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-23_109aa9d0fab1e298981e689aa0264907_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-23_109aa9d0fab1e298981e689aa0264907_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:5144
- 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:4848

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

SystemTemp_1

Path C:\SystemTemp_1
Size 95B
SHA256 7758c7bff1525da66d1cabd1c4a0904293f6c0150535496d56ece0e57e6c212e
MD5 4ad4efafce0b9f4e4f0e5bad49670df0
SHA1 be39620ace6190c36b72859436272cd3467e0985
SHA512 a3b7a91026c0326642fc201054afde7e42ef1d6f3adb07ef13179c446da2fdbb7d315334c30c9fdbdc365a43e2221696db6ddf49271dadf257ba18ebc29a8a7d
TLSH
T1B1B0120050BB8B1E1488E05B1F70041AC1603C1CAD951348430CC54710D084EF6FC102
MD5 SHA1 SHA512 TLSH

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