wannacry | 509f2c28f6db8f0819446ebbe171077c4cf6a1d1de465c2e2af40e19ca89ef2f

General

Target

2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Size

5.0MB
MD5

523bfe817f141211d67bc20cfa724e38
SHA1

913c327b1fe9ccfa3fa3f11c083727e63ee4070d
SHA256

509f2c28f6db8f0819446ebbe171077c4cf6a1d1de465c2e2af40e19ca89ef2f
SHA512

6af5fd02c915af3a3ddb2365dbfd312ddeb71e573b8716ea35d8aa63bb14a29ac4a34e4ac5d46d71aac08bfec32f6671a05674b570adad7454c9f5d76efc6048
SSDEEP

12288:e1bLgmluCti62lIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zwp:QbLguripdmMSirYbcMNgef0

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 (3287) 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 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1120KK3W.txt	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1120KK3W.txt	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AFKO5D3B.txt	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AFKO5D3B.txt	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-03-30_523bfe817f141211d67bc20cfa724e38_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	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F95E9BA1-0E35-4017-8957-753B546B9775}\c6-d8-a8-d2-50-50	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F95E9BA1-0E35-4017-8957-753B546B9775}	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F95E9BA1-0E35-4017-8957-753B546B9775}\WpadDecision = "0"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F95E9BA1-0E35-4017-8957-753B546B9775}\WpadNetworkName = "Network 3"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-d8-a8-d2-50-50	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F95E9BA1-0E35-4017-8957-753B546B9775}\WpadDecisionTime = 20c0482b19a1db01	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-d8-a8-d2-50-50\WpadDecisionReason = "1"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-d8-a8-d2-50-50\WpadDecisionTime = 20c0482b19a1db01	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-d8-a8-d2-50-50\WpadDecision = "0"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F95E9BA1-0E35-4017-8957-753B546B9775}\WpadDecisionReason = "1"	2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2532

C:\Users\Admin\AppData\Local\Temp\2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-03-30_523bfe817f141211d67bc20cfa724e38_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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