wannacry | 090928075a1f4e240504b00cd1a71afa1afb2c1c257753b0d8ec07ceb9a4e86e

General

Target

2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Size

3.6MB
MD5

913efb2a656a6861e88c0c77ccfd2931
SHA1

b913a9d84f40179d806fe5a1dbcb74d92a1e4dc0
SHA256

090928075a1f4e240504b00cd1a71afa1afb2c1c257753b0d8ec07ceb9a4e86e
SHA512

2521602de9f06a8a7f9a6f3934a6c3e974103183a739f8da652cebf279ef16351612735457e4272cc8bbbab082465eed3dc963a7f9c39421742047d8813b0b54
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAexWa9P59Uc/Jf:yDqPe1Cxcxk3ZARadv1

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3195) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
1056	tasksche.exe

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	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_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	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadDecision = "0"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadNetworkName = "Network 3"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa\WpadDecisionReason = "1"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa\WpadDecisionTime = 50ac5c9e5f1cdb01	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadDecisionReason = "1"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\WpadDecisionTime = 50ac5c9e5f1cdb01	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E7CC722-C7FF-4312-808E-95646135DFC9}\d2-10-1f-df-d1-aa	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d2-10-1f-df-d1-aa\WpadDecision = "0"	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2512
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1056

C:\Users\Admin\AppData\Local\Temp\2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_913efb2a656a6861e88c0c77ccfd2931_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1044

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
936ec6c7c68c9c6076ebca68dee6e217

SHA1
16bc7933d7b6f8960545c87a508f184471346b4c

SHA256
cfaebf593b12375e6735da83e4b147d928fea814015b7da35aef776e04b1c1ec

SHA512
223573afd06dc6decba1a1166f95e6c68e987187ee9cad371a7ae9ff7e33321127ff7a3f3075fc53f5efa43fefd1cea3d8f461ccd71cdcc4ebe0d43c5f197bc5

Download Submit

Analysis

Sharing