wannacry | 994b20191840f8a3be8be101963f701ae89fdd0c998796e205afd042dbe9b4d2

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 03:29

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General

Target

2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
Size

3.6MB
MD5

47ed66a6733483ebca7e162526f017d4
SHA1

a4c2f79d4ede54991cee839c818a95235aa559ae
SHA256

994b20191840f8a3be8be101963f701ae89fdd0c998796e205afd042dbe9b4d2
SHA512

da39795afe0ef0d982b2dd89f9613ccfe7a54083ed368fc62500de5ff514882d9e0f9094b7848898d81a6a6094f404a8b308ad86be0f32b0d9693ab74172cef3
SSDEEP

98304:XDqPoBhzyk36SAEdhvxWa9P593R8yAVp2HI:XDqPeyk3ZAEUadzR8yc4HI

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 (3375) 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
2504	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	2025-01-24_47ed66a6733483ebca7e162526f017d4_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	2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-24_47ed66a6733483ebca7e162526f017d4_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"	2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2260
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2504

C:\Users\Admin\AppData\Local\Temp\2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-24_47ed66a6733483ebca7e162526f017d4_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1192

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
a556cc99d7a52801e97a0f3c02d61f87

SHA1
2c2a8ab0adddc307eb2cc35e62dc1496794d3942

SHA256
c157dacd4ea2a1c46494a4bbc8d6835de32d6cf9577a4b0206d9aa5e3c95ed63

SHA512
336ec1d020451f426a04aaec2af51c1e455a174d0f400e9c487f9f75314757f974daea360dd2076a49c0c0f21596626902395ad88766e8c53de396938c2ad397

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