wannacry | 26e8421ad06caef8fcca351a4f72422fac6912518efd18420081e64dbd52e867

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 18:25

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General

Target

2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe
Size

5.0MB
MD5

eb1d411a67364066bc490b055ff6559a
SHA1

8108c5913ad5b79ff057c3dac6bfc0230d9834b3
SHA256

26e8421ad06caef8fcca351a4f72422fac6912518efd18420081e64dbd52e867
SHA512

4c76a37e0692e936479091503c5056f0cbe6149dc22f0e5cac8c5912a7481900151b047b586218b9f60325c282ddb6d491dbdf90630c056b88c5d8451c016441
SSDEEP

98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P59D:Z8qPe1Cxcxk3ZAEUadn

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 (3308) 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
2324	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	2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-31_eb1d411a67364066bc490b055ff6559a_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	2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1488
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2324

C:\Users\Admin\AppData\Local\Temp\2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-31_eb1d411a67364066bc490b055ff6559a_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2616

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
965dc8c06869db9b9ae985084de5ab25

SHA1
6c9ebe07e94bf3db23a68c772360d91a7de18380

SHA256
b19402ddabedee98830dc6545301af8c2722962892d46c4495be1b4965f7229e

SHA512
0a601d797c427b76548abd1c4988bb63748704b7a851491678a12950fc2280a0385a99b7bbe818b37ff1e05a731d74339c8658cee4ad5207bb948d5fad8b5628

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