wannacry | 37ca338c0097f4750f412d5aab2216139468adbebc573453af5712e42d658a3c

General

Target

2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Size

5.0MB
MD5

c7c8303aafaf9cf94dc578580a19a794
SHA1

8267f597656cc66b48e5543eb407bf15a7b5dd82
SHA256

37ca338c0097f4750f412d5aab2216139468adbebc573453af5712e42d658a3c
SHA512

47596d155dfc8da36fd08eb1fcbc5077b783fd2cdd9a8c99e8df20e31fc60f7d1f6f0cc2c01dc2ba35dd797e10196751db5cc8b6d273926206f7970a772213c6
SSDEEP

49152:XnAQqMSPbcBVQejsxJM0H9PAMEcaEau3R8:XDqPoBh4xWa9P593R8

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3248) 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
2304	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	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_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	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0126000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4032CC49-1F21-4E8E-BB0F-BEC91D501325}\WpadDecisionTime = 90fae48a0e47db01	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-2f-bb-90-95-0b\WpadDecisionTime = 90fae48a0e47db01	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4032CC49-1F21-4E8E-BB0F-BEC91D501325}\WpadDecision = "0"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4032CC49-1F21-4E8E-BB0F-BEC91D501325}\WpadNetworkName = "Network 3"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4032CC49-1F21-4E8E-BB0F-BEC91D501325}\WpadDecisionReason = "1"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-2f-bb-90-95-0b\WpadDecisionReason = "1"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-2f-bb-90-95-0b\WpadDecision = "0"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4032CC49-1F21-4E8E-BB0F-BEC91D501325}	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-2f-bb-90-95-0b	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{4032CC49-1F21-4E8E-BB0F-BEC91D501325}\e6-2f-bb-90-95-0b	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2084
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2304

C:\Users\Admin\AppData\Local\Temp\2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-05_c7c8303aafaf9cf94dc578580a19a794_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2392

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
0b2e04bf530ae2a903f93dd1dcaa7ac4

SHA1
cde9c22556c0ae6863fbedc2135d68f8d9942c1e

SHA256
73613c43662ab5191c67b0e7f26a265c98de2882e429d891954bb462e5cc8914

SHA512
5287f37e9b63b52af71f16ad27118e9367ce2ac29682619117941f5ed83d10adc04c2f969011af685485838b173d210eafb732e8fbb6022b8632e04c0b2c9f0d

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Analysis

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