wannacry | 0c97b7340b49f6740d71b254fc9a7b957ec7e516f2767fb8dd3589bc8c89f1cb

General

Target

2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Size

2.2MB
MD5

c40e2ec72a9d7783c713462b02cf9a40
SHA1

02b569792c2ef6b45f89924782e7fceb9cad273d
SHA256

0c97b7340b49f6740d71b254fc9a7b957ec7e516f2767fb8dd3589bc8c89f1cb
SHA512

d2b22b8cf0fe69e331cb43956afd401cf163fbca00785d34143b34dd94f8a7f2dbc547a81c7afeeeb84e38f73e77fd2247651cf6a82322f59ad30ff4b9730b3f
SSDEEP

24576:QbLgurihdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz66GABRdhAdmvn:QnnMSPbcBVQej/1INRFABRdhnvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3235) 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	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\4I418S09.txt	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\4I418S09.txt	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\EYANMQAI.txt	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\EYANMQAI.txt	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_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_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00bd000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{03BC765C-A0F9-4A8F-B9C6-4599DBDEAD6C}\WpadDecision = "0"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{03BC765C-A0F9-4A8F-B9C6-4599DBDEAD6C}\WpadDecisionReason = "1"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-cf-03-81-f4-1d	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-cf-03-81-f4-1d\WpadDecisionReason = "1"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{03BC765C-A0F9-4A8F-B9C6-4599DBDEAD6C}\42-cf-03-81-f4-1d	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-cf-03-81-f4-1d\WpadDecisionTime = 40a6a0c50823db01	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{03BC765C-A0F9-4A8F-B9C6-4599DBDEAD6C}	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{03BC765C-A0F9-4A8F-B9C6-4599DBDEAD6C}\WpadDecisionTime = 40a6a0c50823db01	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{03BC765C-A0F9-4A8F-B9C6-4599DBDEAD6C}\WpadNetworkName = "Network 3"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-cf-03-81-f4-1d\WpadDecision = "0"	2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:964

C:\Users\Admin\AppData\Local\Temp\2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-20_c40e2ec72a9d7783c713462b02cf9a40_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2372

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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