wannacry | fecad50600eb868939150e598482c150146fb80d2801569a4025a45c4b16072e

General

Target

2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Size

5.0MB
MD5

b26caef432198e5964bde9c257d4d3d6
SHA1

cb2eed5b768dd29934669512c2c0d39d98a22dde
SHA256

fecad50600eb868939150e598482c150146fb80d2801569a4025a45c4b16072e
SHA512

436c9470f800ec17bb6bf576eede42896fc83b3799cef2a4132a6be2183ffc13ffb2cd8dd423d9664e27fa561fe4d255b0820961f3605e8755893cc4f9e431e1
SSDEEP

24576:QbLgddQhfdmMSirYbcMNgef0QeQjG/D8kI5miHkQg6eX6SASk+R:QnAQqMSPbcBVQej/m1HkQo6SAAR

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3333) 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	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-16_b26caef432198e5964bde9c257d4d3d6_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	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C724A7C2-A927-4D54-A6F1-A748AFC3E84D}\WpadDecisionTime = b04d42555308db01	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C724A7C2-A927-4D54-A6F1-A748AFC3E84D}\WpadDecision = "0"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C724A7C2-A927-4D54-A6F1-A748AFC3E84D}\WpadDecisionReason = "1"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-16-73-d7-f9-43	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C724A7C2-A927-4D54-A6F1-A748AFC3E84D}\aa-16-73-d7-f9-43	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0060000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-16-73-d7-f9-43\WpadDecisionReason = "1"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-16-73-d7-f9-43\WpadDecision = "0"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\aa-16-73-d7-f9-43\WpadDecisionTime = b04d42555308db01	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C724A7C2-A927-4D54-A6F1-A748AFC3E84D}	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C724A7C2-A927-4D54-A6F1-A748AFC3E84D}\WpadNetworkName = "Network 3"	2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1284

C:\Users\Admin\AppData\Local\Temp\2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-16_b26caef432198e5964bde9c257d4d3d6_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1916

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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