e31cde5c21013e8dea0d9157a7f1b452888a2a855ec72a203e4cfa7d174b3121

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
21/08/2026, 02:28

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General

Target
2026-08-20_cd96569039c93e3fa36d77299b68c945_elex_wannacry.exe
Size 15.9MB
Sample260821-cxzjsshb95
SHA256 e31cde5c21013e8dea0d9157a7f1b452888a2a855ec72a203e4cfa7d174b3121
MD5 cd96569039c93e3fa36d77299b68c945
SHA1 274b196d9afb3b857c88ab21b1f78d2718d35792
SHA512 e82739f6f4e4f8a9237b62edd6df9413c08856107174265929a9e9549654498e1b4c4503899f6a46f09454412e90eaedb012d6a52f98747e7e021dbdb52b505a
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZw:w
TLSH
T18FF62E04F2BD8A2996D7D6B549BF7F050A4423B4BD2B72244C02617BCB67C9989E3F0D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2264	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-08-20_cd96569039c93e3fa36d77299b68c945_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared V\lsass.exe	2026-08-20_cd96569039c93e3fa36d77299b68c945_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1096	2264	WerFault.exe	85

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	2026-08-20_cd96569039c93e3fa36d77299b68c945_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4692	2026-08-20_cd96569039c93e3fa36d77299b68c945_elex_wannacry.exe
2264	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 2264	4692	2026-08-20_cd96569039c93e3fa36d77299b68c945_elex_wannacry.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-20_cd96569039c93e3fa36d77299b68c945_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_cd96569039c93e3fa36d77299b68c945_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:4692
- C:\Program Files\Common Files\Microsoft Shared V\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2264
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2264 -s 420
    3⤵
    - Program crash
    PID:1096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2264 -ip 2264
1⤵
PID:4028

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 V\lsass.exe
Size 29.8MB
SHA256 206d91fe1d91dea51244803e2bb7d4febc9b3bfc307328056705ea25f377d84e
MD5 38ae4c044376cafff59522669df8c384
SHA1 29301a3fbf1c9a1f0fc0222a278b07e345f06dcf
SHA512 5f703a36344fbc67d0e80684c8b08c9f89a1593111e1dfffe7c9753c9698650869291860a0abfb1a0087e857dd68f594e13999311afe5352b06b632fac31c5fb
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ+:+
TLSH
T1F0678445E5768067BFC6E1BA9DFF3568820013A9BE2770591E02117B87F39894E93F8C
MD5 SHA1 SHA512 SSDEEP TLSH

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