wannacry | 6ecbc92219665e16d506944733c1c27b92d9b4e19f045f24e47d136293d69e3e

General

Target

2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Size

3.6MB
MD5

10cd73411d41d744eb15afe31f015572
SHA1

ab4cf498de7dd88d91f42a9874fb603b68c55db8
SHA256

6ecbc92219665e16d506944733c1c27b92d9b4e19f045f24e47d136293d69e3e
SHA512

69c3dfa73a25f13b6a9e4785f2dfa555415c88b02a8f0bac0041e59bfb8db18889e678347dcc0eaf7f4d9aa3959258261b8ff8b297653034311467e81fea10eb
SSDEEP

49152:2nAQqMSPbcBVQe2PNRx+TSqTdX1HkQo6SAARdhnvi9:yDqPoBh2VRxcSUDk36SAEdhvi

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3334) 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
2624	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	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-20_10cd73411d41d744eb15afe31f015572_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	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7CCEDC21-C10D-4568-9B7C-50833EAEC4CF}\WpadDecisionReason = "1"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f019d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-06-5f-87-f7-a5\WpadDecision = "0"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7CCEDC21-C10D-4568-9B7C-50833EAEC4CF}	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-06-5f-87-f7-a5	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-06-5f-87-f7-a5\WpadDecisionReason = "1"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7CCEDC21-C10D-4568-9B7C-50833EAEC4CF}\WpadDecisionTime = d0a51509150bdb01	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7CCEDC21-C10D-4568-9B7C-50833EAEC4CF}\WpadDecision = "0"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7CCEDC21-C10D-4568-9B7C-50833EAEC4CF}\WpadNetworkName = "Network 3"	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7CCEDC21-C10D-4568-9B7C-50833EAEC4CF}\d6-06-5f-87-f7-a5	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\d6-06-5f-87-f7-a5\WpadDecisionTime = d0a51509150bdb01	2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2412
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2624

C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-20_10cd73411d41d744eb15afe31f015572_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2276

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
2a1925594023312c3e35cf2db125bfe4

SHA1
0bca82a5d9ca364f3f9cc47c6e42c960c17d6e77

SHA256
e63027cc2916316c6c9857fd5b9c476ac949203074c7658a3550db453b668f3f

SHA512
7191b05889539e5618c49cfb0a5deda946d2e72d626b9eaa6ebe5a2a6c7aad073fd2081199497b3860f605189b9024397c730d40df937701ee32a89b9ba37b6a

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Analysis

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