wannacry | 5607d99d35f3585acc994ce172c070412cbda1b07b08864af8e5477bcf5f260d

Resubmissions

28-01-2025 12:32

250128-pqvngsyma1 10

28-01-2025 07:52

250128-jqlgxsslev 10

Analysis

max time kernel
151s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
28-01-2025 07:52

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General

Target

2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe
Size

5.0MB
MD5

6d73de7be19a350a50b380b1a4ee4c98
SHA1

2f148fddad9803b7258168ac5e4fa3ba21ccfc4b
SHA256

5607d99d35f3585acc994ce172c070412cbda1b07b08864af8e5477bcf5f260d
SHA512

deb7270407bf00f7618cfe87f694f1eab0d138f4cb3fcf86ac350e35dbcab53981f608998e4f036006acec92a994487015c476651cfc06d1e7042cdc0509dcd4
SSDEEP

98304:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9P597:Z8qPe1Cxcxk3ZAEUadH

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 (3215) 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
1620	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	2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_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	2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2104
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1620

C:\Users\Admin\AppData\Local\Temp\2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-28_6d73de7be19a350a50b380b1a4ee4c98_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2204

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
965dc8c06869db9b9ae985084de5ab25

SHA1
6c9ebe07e94bf3db23a68c772360d91a7de18380

SHA256
b19402ddabedee98830dc6545301af8c2722962892d46c4495be1b4965f7229e

SHA512
0a601d797c427b76548abd1c4988bb63748704b7a851491678a12950fc2280a0385a99b7bbe818b37ff1e05a731d74339c8658cee4ad5207bb948d5fad8b5628

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