wannacry | dbe2b3ed99b3d97c4cc14d4ac1a5bae9287921556ebad580c0fd833ddca2e40d

General

Target

20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Size

2.2MB
MD5

eba8e7385e1283fc8b00f54f64485b07
SHA1

61dd9b3bb91ddb44458f01633b180d70584bdc6c
SHA256

dbe2b3ed99b3d97c4cc14d4ac1a5bae9287921556ebad580c0fd833ddca2e40d
SHA512

a98ff4ae7f962a1c5e16617a527ff4f9c7ff2e4880e75ff4587cd03aa9554caaf4e3e50c323e36205a8546531f496bfcae9a84d8a384a1567eaad1f1211e993a
SSDEEP

49152:QntqMSPbcBVQej/1INRx+TSqTdX1HkQo6SUvn:QtqPoBhz1aRxcSUDk36Scn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm 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	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\HF46SXTB.txt	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\HF46SXTB.txt	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7W9OL831.txt	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7W9OL831.txt	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.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	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadDecision = "0"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0120000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadDecisionTime = 7029cd2a3f11db01	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69\WpadDecisionTime = 7029cd2a3f11db01	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69\WpadDecision = "0"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadNetworkName = "Network 3"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69\WpadDecisionReason = "1"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\3a-f8-31-4f-dd-69	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadDecisionReason = "1"	20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe

C:\Users\Admin\AppData\Local\Temp\20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2384

C:\Users\Admin\AppData\Local\Temp\20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe
C:\Users\Admin\AppData\Local\Temp\20240927eba8e7385e1283fc8b00f54f64485b07wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2124

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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