wannacry | cb4958f5741a705dc476cf1b54bd58fb9dc99cdfd665c8f9e24c241a8b383108

General

Target

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Size

3.6MB
MD5

684e78559ec610feaa321f89117f02e4
SHA1

b468a0056799b715626df3ec05cfe297844eef72
SHA256

cb4958f5741a705dc476cf1b54bd58fb9dc99cdfd665c8f9e24c241a8b383108
SHA512

83012f3c06a7892f60cf3945a14ac6831672ec4fbc1f6e9df24f2bd020e338da64e81cc6a42f1330805cb921e0913d80f9f19eace796cc13559004e9c4159f14
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv+plAHI:XDqPoBhz1aRxcSUDk36SAEdhv+p2HI

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 (3130) 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

Processes:

tasksche.exe

pid	Process
468	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

Processes:

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-18_684e78559ec610feaa321f89117f02e4_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

Processes:

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadDecisionReason = "1"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadDecision = "0"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadNetworkName = "Network 3"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f011b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\WpadDecisionTime = 6010f6a3ac39db01	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7C36D13D-AC59-4984-A874-7E3E17FEAE4A}\4a-8b-b4-6a-46-03	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03\WpadDecisionTime = 6010f6a3ac39db01	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03\WpadDecisionReason = "1"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\4a-8b-b4-6a-46-03\WpadDecision = "0"	2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2096
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:468

C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_684e78559ec610feaa321f89117f02e4_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2064

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
ab9ea70273785dc1291ca5fe9e03af6c

SHA1
dab04c9b528b1e278ad14a9a0d8ee2e23a6af148

SHA256
806308c9da6d1285502debbac021fdcb47c1737d94f79648515a5fb651fedaaa

SHA512
1b1811700fb7b9576527bec855816fbaf97aae081db8572568f16c80635c2bfb74afbe0b8c20f63330cd986e8f8905db6c07ad3d6829f1f0f2b714f6c957a259

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads