wannacry | 32e8d2652212baf105519ae7cac8bc087931fc67bcdcf940b75bd2bcac037627

Resubmissions

09/02/2025, 20:06

250209-yvk5aa1nat 10

27/01/2025, 04:05

250127-enyx1szmdx 10

27/01/2025, 03:50

250127-ed4qhsyrav 10

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 03:50

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General

Target

2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Size

3.6MB
MD5

a1a3bd4ee2c15ba4544965f5c5cebd18
SHA1

6a0ea0b1c9beb2db9905d5ffbc84130005d2cf4f
SHA256

32e8d2652212baf105519ae7cac8bc087931fc67bcdcf940b75bd2bcac037627
SHA512

b3364fa32f471efdf3c77f66fa1c9c3161c1fffd82488b62c2a7bd44d0f97651ef419ff7aab80bd69b0ab1b045a90fec48c7fc7dbeab20a3a404ca62204b113d
SSDEEP

98304:yQPoBhz1aRxcSUZk36SAEdhvxWa9P593R8yAVp2HI:yQPe1Cxc7k3ZAEUadzR8yc4HI

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 (3285) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_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	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2720

C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-27_a1a3bd4ee2c15ba4544965f5c5cebd18_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3196

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

Windows 7 deprecation

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