wannacry | 0ae1188b452f52be4da2569a84dc54ba859e2daa7a79417d4e8e0c50d4238f9e

General

Target

2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Size

5.0MB
MD5

4f29080b27595a76a043e3ced310dc06
SHA1

1012de56ec49f9190834712aa5790b22eda390cf
SHA256

0ae1188b452f52be4da2569a84dc54ba859e2daa7a79417d4e8e0c50d4238f9e
SHA512

40776890a6b4660104ab7836ad68890b5a07815a8b64a47b2b687d677f17f23b3f80c9f88fd99aae6491b4682e311a2a0eac0287e5bfc73a2aafee38bcb6eaf7
SSDEEP

6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYQuy8D:GvbLgPlu+QhMbaIMu7

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3246) 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
2980	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	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7288216-B859-480E-AE6F-6710CF1FA1A7}	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7288216-B859-480E-AE6F-6710CF1FA1A7}\WpadDecisionReason = "1"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7288216-B859-480E-AE6F-6710CF1FA1A7}\WpadDecision = "0"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7288216-B859-480E-AE6F-6710CF1FA1A7}\WpadNetworkName = "Network 3"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7288216-B859-480E-AE6F-6710CF1FA1A7}\42-74-80-ff-d7-04	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-74-80-ff-d7-04\WpadDecisionTime = 80979e6d6441da01	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-74-80-ff-d7-04\WpadDecision = "0"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C7288216-B859-480E-AE6F-6710CF1FA1A7}\WpadDecisionTime = 80979e6d6441da01	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-74-80-ff-d7-04	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\42-74-80-ff-d7-04\WpadDecisionReason = "1"	2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1932
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2980

C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-01-06_4f29080b27595a76a043e3ced310dc06_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2700

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
15b7bdaf92e32c398925f008a0861f81

SHA1
66a15a6f7edc3b4b2dc2da7083eb3ab085748bfc

SHA256
82a4aa7cc032c1f5e0ced4cccd36a50b7e809cc5242b500e0c08d1b9c116b9ec

SHA512
ba746c23a6d1cbce5b833f9bc1c743fb146ab04860383bb9c37dda948bb644c23e48dff8e919e282c45fb10858049f98edfe2d3848c2bcf21b5890b959506839

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Analysis

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