wannacry | 11f2438691385e015cb788f52ee6a0fb1a41955d01e19eb81bb0ca14a064e8d4

General

Target

2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Size

2.2MB
MD5

2f5fe35d5933ad567a096797e60a296e
SHA1

5ccb092a6a12b57600231c590239fa41382eeb39
SHA256

11f2438691385e015cb788f52ee6a0fb1a41955d01e19eb81bb0ca14a064e8d4
SHA512

8502ad25fbe62ebf30d171c4b01212ccc735dee59480825a8c944d04a84333c80f7fa264edead334a0d2eb908f93f9c62f142ec8daca57f2278cd7d288713380
SSDEEP

24576:QbLguEQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz662zvn:QnUQqMSPbcBVQej/1INRRvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3230) 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	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1N6AHRJ6.txt	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\1N6AHRJ6.txt	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AP3385CI.txt	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AP3385CI.txt	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_2f5fe35d5933ad567a096797e60a296e_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	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2913FCFD-2CB3-4157-AAA4-7299D461A6F6}	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2913FCFD-2CB3-4157-AAA4-7299D461A6F6}\WpadDecisionTime = 407c81a0551cdb01	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2913FCFD-2CB3-4157-AAA4-7299D461A6F6}\WpadNetworkName = "Network 3"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2913FCFD-2CB3-4157-AAA4-7299D461A6F6}\WpadDecisionReason = "1"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-b1-0e-81-75-d8	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-b1-0e-81-75-d8\WpadDecisionReason = "1"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-b1-0e-81-75-d8\WpadDecisionTime = 407c81a0551cdb01	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2913FCFD-2CB3-4157-AAA4-7299D461A6F6}\WpadDecision = "0"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2913FCFD-2CB3-4157-AAA4-7299D461A6F6}\7e-b1-0e-81-75-d8	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-b1-0e-81-75-d8\WpadDecision = "0"	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2676

C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_2f5fe35d5933ad567a096797e60a296e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2660

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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