cd7902afce499fd8ec2c473570014778281d7b96dd0b1d3e9f9ec3c36dda9c05

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 09:11

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General

Target
2026-08-03_e7343f979c26347ad6bbb2027552ef55_elex_wannacry.exe
Size 17.2MB
Sample260804-k52ywsgf73
SHA256 cd7902afce499fd8ec2c473570014778281d7b96dd0b1d3e9f9ec3c36dda9c05
MD5 e7343f979c26347ad6bbb2027552ef55
SHA1 1b96d9a8d521613fec88423d953264e1ba74671e
SHA512 cc922232fb07ab5016dba764d6b5d3b7e1b2b81d3196c791463de51e5da340155d6a67d89ff8312b0353bc4c0e0d128944d009c7f38b756b1e9fb74187a6786e
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZG:G
TLSH
T131075384A7EF4A9E9C333539A7DB498B771737BD0A56D0646468403F6BA1CAB8F34130
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5776	lsass.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-08-03_e7343f979c26347ad6bbb2027552ef55_elex_wannacry.exe
File created	C:\Program Files\Common Files\Microsoft Shared A\lsass.exe	2026-08-03_e7343f979c26347ad6bbb2027552ef55_elex_wannacry.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1088	5776	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	2026-08-03_e7343f979c26347ad6bbb2027552ef55_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5456	2026-08-03_e7343f979c26347ad6bbb2027552ef55_elex_wannacry.exe
5776	lsass.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 5456 wrote to memory of 5776	5456	2026-08-03_e7343f979c26347ad6bbb2027552ef55_elex_wannacry.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-03_e7343f979c26347ad6bbb2027552ef55_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_e7343f979c26347ad6bbb2027552ef55_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:5456
- C:\Program Files\Common Files\Microsoft Shared A\lsass.exe
  1
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5776
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5776 -s 468
    3⤵
    - Program crash
    PID:1088

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 5776 -ip 5776
1⤵
PID:4624

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 A\lsass.exe
Size 32.3MB
SHA256 8a5dcc4b25f9ac2e2552e202d70cc6f7af47b72b52bc5bdbcfdf9f72ae7c61f6
MD5 e6b44d0def4f5cce5b9124ab54dc9d37
SHA1 fa7e2794b28829d144142b62eb07b4dd4c7ca7ac
SHA512 ef733f8c38aa14b751b81da7afb59bd6161ffddea1ae21580b6cb38d33817577eead9083c9555bcb4ab1c74a522af97b30dac25779626864a22cd5357c88a287
SSDEEP 98304:9nZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ5:5
TLSH
T1EC77D9424BE985951DF3FB74F7FF4EC27E463BA91627E096196D50B203C18ABA22C170
MD5 SHA1 SHA512 SSDEEP TLSH

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