wannacry | 0db4b8a6ff19b65190754350e4616a3f1ab893586e44ed5cbf49e6993cb07e03

General

Target

2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Size

2.2MB
MD5

73e4e6c39280359c08e45d3718e267d7
SHA1

f3bd71b7a0eb320dfecf2b1a5f75edfcd175708d
SHA256

0db4b8a6ff19b65190754350e4616a3f1ab893586e44ed5cbf49e6993cb07e03
SHA512

edb1f1607f630b9205dedb69b3e909279a0d3148abef22b8fb445d7354c26811912b87476c50012cbf2424f802967727cac59e396388b8d84c4aabdc78f9e8c9
SSDEEP

49152:Qnp4SPbcBVQej/hINRx+TSqTdX1HkQo6SAARdhnvn:QpboBhzhaRxcSUDk36SAEdhvn

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3324) 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

Processes:

2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8Q61TGOU.txt	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\8Q61TGOU.txt	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BVOH8791.txt	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BVOH8791.txt	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0829468F-AE87-4C58-8142-8D91E5D6A785}\WpadDecision = "0"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-7a-6d-93-d6-eb\WpadDecisionTime = 20b73517c08fda01	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0829468F-AE87-4C58-8142-8D91E5D6A785}	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0829468F-AE87-4C58-8142-8D91E5D6A785}\WpadDecisionReason = "1"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0829468F-AE87-4C58-8142-8D91E5D6A785}\WpadNetworkName = "Network 3"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-7a-6d-93-d6-eb\WpadDecision = "0"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0829468F-AE87-4C58-8142-8D91E5D6A785}\9e-7a-6d-93-d6-eb	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0829468F-AE87-4C58-8142-8D91E5D6A785}\WpadDecisionTime = 20b73517c08fda01	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-7a-6d-93-d6-eb	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9e-7a-6d-93-d6-eb\WpadDecisionReason = "1"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2164

C:\Users\Admin\AppData\Local\Temp\2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-04-16_73e4e6c39280359c08e45d3718e267d7_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2496

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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