wannacry | cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9

General

Target

cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Size

5.0MB
MD5

400cf8c6a860b2778da44e732ca3bc1f
SHA1

2e860c5598f9b53b38e50f103b8e1917fc613a3c
SHA256

cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9
SHA512

0be046f987ad9c717c6dddae7bd897af29fc31e41cf862b1966b2a1861c8c60493127a340c6fa961a5e2031464160155f04dd2564b2a8267a9d6b476b41aec1e
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjGDdhAdmv1LJMfcH9PO6LLuYz:XnAQqMSPbcBVQejDdhnvxJM0H9Pz

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 (3331) 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
2916	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	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.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	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.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 = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6FE971C-EE18-4DF0-930E-6E65E4CF35D5}\WpadDecisionReason = "1"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6FE971C-EE18-4DF0-930E-6E65E4CF35D5}\WpadDecision = "0"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6FE971C-EE18-4DF0-930E-6E65E4CF35D5}\22-7b-ed-da-f9-02	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-7b-ed-da-f9-02\WpadDecisionReason = "1"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0129000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6FE971C-EE18-4DF0-930E-6E65E4CF35D5}	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-7b-ed-da-f9-02\WpadDecision = "0"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-7b-ed-da-f9-02	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\22-7b-ed-da-f9-02\WpadDecisionTime = f0b2e0cdb151db01	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6FE971C-EE18-4DF0-930E-6E65E4CF35D5}\WpadDecisionTime = f0b2e0cdb151db01	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6FE971C-EE18-4DF0-930E-6E65E4CF35D5}\WpadNetworkName = "Network 3"	cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe

C:\Users\Admin\AppData\Local\Temp\cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
"C:\Users\Admin\AppData\Local\Temp\cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2296
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2916

C:\Users\Admin\AppData\Local\Temp\cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe
C:\Users\Admin\AppData\Local\Temp\cbd27305bc8316d15e94c98da2e271dfa13ddfc7d1043fc563b7c73ed85668d9.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2784

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
65a4d25424ad86f9d17606447faebe29

SHA1
158ec1c76a8274d0e6470411d97a45ad60470ce1

SHA256
2f4226ed974bde0e538afd2a230f7ecadb586e5be0e268f1619ffc112d6ff9b2

SHA512
4823ea8681e64e1fc1a03c0c8e9c60eeda99a6d2ef05d899c155b2093b1e09396ec65c53e8bdb14be6f23ae2bb85fe9799ee094a50e8291358151993c4e46fe5

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