wannacry | b423d510038e723373a12d9ad281ef34080b8a70a2da45b1111b50b48dc98345

Analysis

max time kernel
150s
max time network
156s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 10:42

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General

Target

2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe
Size

3.6MB
MD5

52d1240d5d755c05cab97693d2aef282
SHA1

bcd75f63d086ad89da97e993d1f4c9e13d2f89bc
SHA256

b423d510038e723373a12d9ad281ef34080b8a70a2da45b1111b50b48dc98345
SHA512

80707366f9d6fed10f37a65755e99cd855bd14f7ff65efc165974c2869cd1db478fc0999078b0679c167b595fab7ba1ac8600124c8559bd4e62326b2d9160d23
SSDEEP

6144:SE9l9yNqIYVTH5DgSg8ajldktM0XXrs2QhE:SwbLgPluxQhE

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3085) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
2440	tasksche.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-12_52d1240d5d755c05cab97693d2aef282_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	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2440	3040	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe	31
PID 3040 wrote to memory of 2440	3040	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe	31
PID 3040 wrote to memory of 2440	3040	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe	31
PID 3040 wrote to memory of 2440	3040	2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe	31

C:\Users\Admin\AppData\Local\Temp\2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2440

C:\Users\Admin\AppData\Local\Temp\2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-12_52d1240d5d755c05cab97693d2aef282_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
f6f44fa3bd492b50e314bbee5396ef9c

SHA1
a04556b6394b11ae159843ee9d2adc399a86a93d

SHA256
c6562fddf219ab5c6584c053e5723fb25ab58e8629b04fe39e7e2652a897676a

SHA512
c93de901a0d19879fdf9dc9aa7d827d7f286ac996247b5f0e269f55f6d0b6b777df85e076fe616191e018b616cf841fff7ea72931359a857426fa37c73bf84c3

Download Submit
memory/2844-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2844-9-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/3040-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/3040-8-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download