wannacry | 1c11960bba1e987ec1347d8b57ec64c67926a7adabcc430ef08b47325019f881

General

Target

2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Size

5.0MB
MD5

a1b66767818da9af9f9b7eb862175547
SHA1

998513a1a3c8ea1d5eecbf522a69506e89ed8783
SHA256

1c11960bba1e987ec1347d8b57ec64c67926a7adabcc430ef08b47325019f881
SHA512

aa20de1af014bc1bd6f8bf1b2641c23244bcfc9104f5819af75aa1cfd03c47719339ffbb8edc5f6ad363f7976eab03d56226964aa1423685561acb9b228153c4
SSDEEP

24576:XbLgdriIZMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6627X6SASk+RdhAdmvH:Xn+MSPbcBVQej/1INRp6SAARdhnvH

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 (3303) 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	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8K9372FC.txt	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8K9372FC.txt	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\F253WQLE.txt	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\F253WQLE.txt	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-04_a1b66767818da9af9f9b7eb862175547_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	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-ab-f2-bd-02-dc\WpadDecision = "0"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-ab-f2-bd-02-dc	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-ab-f2-bd-02-dc\WpadDecisionTime = f077f262a376db01	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00eb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{70FE9ADA-67BA-4B2A-AAB8-44EBE407B7CD}\WpadNetworkName = "Network 3"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{70FE9ADA-67BA-4B2A-AAB8-44EBE407B7CD}\WpadDecisionTime = f077f262a376db01	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{70FE9ADA-67BA-4B2A-AAB8-44EBE407B7CD}	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{70FE9ADA-67BA-4B2A-AAB8-44EBE407B7CD}\WpadDecisionReason = "1"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{70FE9ADA-67BA-4B2A-AAB8-44EBE407B7CD}\WpadDecision = "0"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{70FE9ADA-67BA-4B2A-AAB8-44EBE407B7CD}\a2-ab-f2-bd-02-dc	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a2-ab-f2-bd-02-dc\WpadDecisionReason = "1"	2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2300

C:\Users\Admin\AppData\Local\Temp\2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-04_a1b66767818da9af9f9b7eb862175547_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2892

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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