wannacry | f5802b1dd75c2ed4263de761db7a069999872ff1d059360604f9783793ba92e1

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 13:03

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General

Target

2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
Size

5.0MB
MD5

823d2e7eb5f62a114834b8607a35e742
SHA1

4999b245bb956e22dff4c8002b8c097aea67c823
SHA256

f5802b1dd75c2ed4263de761db7a069999872ff1d059360604f9783793ba92e1
SHA512

fc755306bfb6f81d5385eebf6cd5948e9200c0336a1967c05a81f310f2ebe19d7a23254554a3956cf2ef7dcc56c30fa073b160c172a4156cfa9f619f9ef5d526
SSDEEP

49152:2nAQqMSPbcBVLPAMEcaEau3R8yAH1plAHv:yDqPoB5P593R8yAVp2Hv

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 (3143) 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
2584	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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-01_823d2e7eb5f62a114834b8607a35e742_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	2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:4764
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2584

C:\Users\Admin\AppData\Local\Temp\2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-01_823d2e7eb5f62a114834b8607a35e742_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1212

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
9bdd1c5ea937ba1bd6048261b9b22716

SHA1
4a04c6354d78d6fe9ce6feded44e0836a7b015d1

SHA256
df1a12410cc49a0a2f1f7fcd130050e88678c1007610af4068c6459f40093959

SHA512
7cadb9a1ae7a60466b83495ecbb4c6c48f9c4a782a8636eb9e778edcbca87491292864d7f7750d185d9ced67669d17786b7bc64e0c620c9f8546b2ddc1a0ad40

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