wannacry | ce67912c5725f3701247e83cfcf04384346aacb55ff694ed84f9d39c08eab581

General

Target

202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Size

2.2MB
MD5

1d96469fd953dad5fdc0e2e28dfe2e93
SHA1

07765a2b43be552e282c9641e937a56f332642fa
SHA256

ce67912c5725f3701247e83cfcf04384346aacb55ff694ed84f9d39c08eab581
SHA512

bf5746c31d6dc1a0874a2a1b6f8f5193b0ec93d3ddf06985653e6bfccdbdaa89961c92878333d931593479a0a275e6cb52238448859e5cdf9654eb8c76bac566
SSDEEP

49152:VnFQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAam:ZeqPoBhz1aRxcSUDk36SA9m

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3175) 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	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\ZM7GH4DM.txt	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\ZM7GH4DM.txt	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KDLJJWQZ.txt	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\KDLJJWQZ.txt	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.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	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5049FD96-7DBF-490C-97BE-F59D84BEAE15}\WpadDecisionReason = "1"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-b6-97-bd-ac-e6	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5049FD96-7DBF-490C-97BE-F59D84BEAE15}\WpadDecision = "0"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-b6-97-bd-ac-e6\WpadDecisionReason = "1"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-b6-97-bd-ac-e6\WpadDecisionTime = 40f73df0ed10db01	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5049FD96-7DBF-490C-97BE-F59D84BEAE15}\WpadDecisionTime = 40f73df0ed10db01	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5049FD96-7DBF-490C-97BE-F59D84BEAE15}	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5049FD96-7DBF-490C-97BE-F59D84BEAE15}\WpadNetworkName = "Network 3"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5049FD96-7DBF-490C-97BE-F59D84BEAE15}\9e-b6-97-bd-ac-e6	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-b6-97-bd-ac-e6\WpadDecision = "0"	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe

C:\Users\Admin\AppData\Local\Temp\202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2752

C:\Users\Admin\AppData\Local\Temp\202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe
C:\Users\Admin\AppData\Local\Temp\202409271d96469fd953dad5fdc0e2e28dfe2e93wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2056

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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