wannacry | a583280d3f47cec079f55480d397844cd77b1dfadd22f5b12d54f42063ea3837

General

Target

2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Size

2.2MB
MD5

b5dd39a5d1b65f838ecc451c2300a7c9
SHA1

97aa4b8f9ca1aad8bb56180c6dd7201625e15c76
SHA256

a583280d3f47cec079f55480d397844cd77b1dfadd22f5b12d54f42063ea3837
SHA512

e22100fa182e40e9f710f0ffc47601f9639c789c870a2ffd50ba2d3091e213c28337546bda1e92bab204a674d460378f7fbc56c91bcc288d2371f3a8ec79da6c
SSDEEP

12288:e1bLgmluR62ybaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7:QbLgumhdmMSirYbcMNge

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 (3178) 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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_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	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0172000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB91B94E-CF2E-413F-860C-58A0285FC2B6}\WpadDecisionTime = 00654cb6a245db01	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-be-0b-22-a5-84	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-be-0b-22-a5-84\WpadDecision = "0"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB91B94E-CF2E-413F-860C-58A0285FC2B6}\WpadDecision = "0"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB91B94E-CF2E-413F-860C-58A0285FC2B6}\ce-be-0b-22-a5-84	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-be-0b-22-a5-84\WpadDecisionTime = 00654cb6a245db01	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB91B94E-CF2E-413F-860C-58A0285FC2B6}	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB91B94E-CF2E-413F-860C-58A0285FC2B6}\WpadDecisionReason = "1"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{BB91B94E-CF2E-413F-860C-58A0285FC2B6}\WpadNetworkName = "Network 3"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ce-be-0b-22-a5-84\WpadDecisionReason = "1"	2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3032

C:\Users\Admin\AppData\Local\Temp\2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-03_b5dd39a5d1b65f838ecc451c2300a7c9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1164

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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