wannacry | a1be4fcf938d49231a81e186422c2bf20707aabf891cc529080812c559a97171

General

Target

2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Size

5.0MB
MD5

fbd22e638e8c9ac8b1d9ef4aa9329b21
SHA1

5317ad4797ca454e5ded6008648e81b037948368
SHA256

a1be4fcf938d49231a81e186422c2bf20707aabf891cc529080812c559a97171
SHA512

74b0edd368315cc2bb037bc5b109ad18c94e864ac83213bc84444bd1691751ccb19d699b484f65818caad2e8a8692dab265992ea5174f73f8f3df5c5651819b5
SSDEEP

49152:2nRQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:yaqPoBhz1aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2114) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_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	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CE7A22E-A1A4-406B-8FA2-5B1909FC948F}\WpadDecisionReason = "1"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-bf-f3-58-82-7e	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CE7A22E-A1A4-406B-8FA2-5B1909FC948F}\66-bf-f3-58-82-7e	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-bf-f3-58-82-7e\WpadDecisionReason = "1"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-bf-f3-58-82-7e\WpadDecision = "0"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CE7A22E-A1A4-406B-8FA2-5B1909FC948F}	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CE7A22E-A1A4-406B-8FA2-5B1909FC948F}\WpadDecisionTime = 30c96054b4f7da01	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CE7A22E-A1A4-406B-8FA2-5B1909FC948F}\WpadDecision = "0"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-bf-f3-58-82-7e\WpadDecisionTime = 30c96054b4f7da01	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CE7A22E-A1A4-406B-8FA2-5B1909FC948F}\WpadNetworkName = "Network 3"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3056

C:\Users\Admin\AppData\Local\Temp\2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-26_fbd22e638e8c9ac8b1d9ef4aa9329b21_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

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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