wannacry | 9e4db15afd61fa93d3b46e2d9ca2c253543a8e2fc4865d9e203bcb90d64891aa

General

Target

2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Size

5.0MB
MD5

44060e263433c7d04ad91355e0e0519c
SHA1

e455bb89a012e638cd10a76f8d949f4e186249d3
SHA256

9e4db15afd61fa93d3b46e2d9ca2c253543a8e2fc4865d9e203bcb90d64891aa
SHA512

eab2ad962942f9ca7d47c07008a316f331f0d6edaf022af84d7da08915d4e4f043a3bd8c27face16b3a777a30937732520bc75ab41f24c307f1691b941ad3f02
SSDEEP

98304:ZDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2H:ZDqPe1Cxcxk3ZAEUadzR8yc4H

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3264) 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
2848	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	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024092844060e263433c7d04ad91355e0e0519cwannacry.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	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E54E030E-B596-44AC-BEFB-A38151C540D9}\WpadDecisionReason = "1"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E54E030E-B596-44AC-BEFB-A38151C540D9}\b2-e4-51-6a-d0-0f	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e4-51-6a-d0-0f\WpadDecisionTime = d0e9b55da311db01	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e4-51-6a-d0-0f\WpadDecision = "0"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E54E030E-B596-44AC-BEFB-A38151C540D9}\WpadDecision = "0"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E54E030E-B596-44AC-BEFB-A38151C540D9}\WpadDecisionTime = d0e9b55da311db01	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e4-51-6a-d0-0f\WpadDecisionReason = "1"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E54E030E-B596-44AC-BEFB-A38151C540D9}	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E54E030E-B596-44AC-BEFB-A38151C540D9}\WpadNetworkName = "Network 3"	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-e4-51-6a-d0-0f	2024092844060e263433c7d04ad91355e0e0519cwannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024092844060e263433c7d04ad91355e0e0519cwannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1656
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2848

C:\Users\Admin\AppData\Local\Temp\2024092844060e263433c7d04ad91355e0e0519cwannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024092844060e263433c7d04ad91355e0e0519cwannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2280

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
7f7ccaa16fb15eb1c7399d422f8363e8

SHA1
bd44d0ab543bf814d93b719c24e90d8dd7111234

SHA256
2584e1521065e45ec3c17767c065429038fc6291c091097ea8b22c8a502c41dd

SHA512
83e334b80de08903cfa9891a3fa349c1ece7e19f8e62b74a017512fa9a7989a0fd31929bf1fc13847bee04f2da3dacf6bc3f5ee58f0e4b9d495f4b9af12ed2b7

Download Submit
memory/1656-0-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/1656-6-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2280-1-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2280-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download

Analysis

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