685dbb37e2df6e2a4355a12a90ed1a23aa68c4b121e23d15035633734bcf5554

Analysis

max time kernel
148s
max time network
152s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/07/2026, 00:58

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General

Target
2026-07-19_962dcda65480773c78b9b72cc64df90a_elex_wannacry.exe
Size 46KB
Sample260720-bbg7ysdt2t
SHA256 685dbb37e2df6e2a4355a12a90ed1a23aa68c4b121e23d15035633734bcf5554
MD5 962dcda65480773c78b9b72cc64df90a
SHA1 49969318c0f7c8b10e639151fef9f5aec1f1a579
SHA512 cc9bc60a939aaac9e706c888478131e821ebcbc098577bde88ebecff1c03f58925cdede59cbcddbf5c3a42e4eeff69c766d72b92b9a19c30512d2b2ee2738feb
SSDEEP 768:lhKENBPE7iJVuiL31PxUCmpJJEtN0ppqZDDjfUpw:lhKENBnfblrmON0TojfUpw
TLSH
T1AD23F84BED8654F1E82114B1141EB2BE95A71DA48B1FFACABF04FCAF5472354E43A10E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4692	pujbuc.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\pujbuc.exe	2026-07-19_962dcda65480773c78b9b72cc64df90a_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	2026-07-19_962dcda65480773c78b9b72cc64df90a_elex_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pujbuc.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	pujbuc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	pujbuc.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1004	2026-07-19_962dcda65480773c78b9b72cc64df90a_elex_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2026-07-19_962dcda65480773c78b9b72cc64df90a_elex_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-19_962dcda65480773c78b9b72cc64df90a_elex_wannacry.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
PID:1004

C:\Windows\SysWOW64\pujbuc.exe
C:\Windows\SysWOW64\pujbuc.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
PID:4692

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

pujbuc.exe

Path C:\Windows\SysWOW64\pujbuc.exe
Size 46KB
SHA256 685dbb37e2df6e2a4355a12a90ed1a23aa68c4b121e23d15035633734bcf5554
MD5 962dcda65480773c78b9b72cc64df90a
SHA1 49969318c0f7c8b10e639151fef9f5aec1f1a579
SHA512 cc9bc60a939aaac9e706c888478131e821ebcbc098577bde88ebecff1c03f58925cdede59cbcddbf5c3a42e4eeff69c766d72b92b9a19c30512d2b2ee2738feb
SSDEEP 768:lhKENBPE7iJVuiL31PxUCmpJJEtN0ppqZDDjfUpw:lhKENBnfblrmON0TojfUpw
TLSH
T1AD23F84BED8654F1E82114B1141EB2BE95A71DA48B1FFACABF04FCAF5472354E43A10E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1004-1-0x0000000000400000-0x0000000000412000-memory.dmp

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