wannacry | 50203c7ecf65cac6624924c297a806ba8fef8c0236197af186e998e0d1618878

General

Target

2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Size

5.0MB
MD5

f83829bd556fbe0d6d1a8004ec7479d0
SHA1

19756638a848cdec9e288abed31fd5329d5308c6
SHA256

50203c7ecf65cac6624924c297a806ba8fef8c0236197af186e998e0d1618878
SHA512

902b824f6a5cb6548d4f5aa652f498574a292d11832cd9f101052223deb38b529696a7d3fcff41b6f948a17da62b6d5d0a75d5179ae06508de819904d4f6208c
SSDEEP

24576:QbLguripdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLgzgR:QnvMSPbcBVQej/1INW

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3241) 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 created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8QV7SLK7.txt	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8QV7SLK7.txt	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7T8D3AU6.txt	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7T8D3AU6.txt	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_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	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadDecisionReason = "1"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\e2-8f-c9-f1-af-29	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29\WpadDecisionTime = a05f8b8af422db01	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29\WpadDecision = "0"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadDecisionTime = a05f8b8af422db01	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadDecision = "0"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0182000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B228791D-0E65-4AE3-B47C-7B353768AE8E}\WpadNetworkName = "Network 3"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e2-8f-c9-f1-af-29\WpadDecisionReason = "1"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2956

C:\Users\Admin\AppData\Local\Temp\2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-20_f83829bd556fbe0d6d1a8004ec7479d0_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3008

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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