wannacry | d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08

General

Target

d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Size

5.0MB
MD5

02a87628edf10f6fe827cad8206dab00
SHA1

c946ee90f39b8cc8e631c2dc1857ec0d96d7d24e
SHA256

d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08
SHA512

d142e64acd01d38c046f48150d93ecc8b875574fdbec0a3a9c10e1538296d3ec9e4cb3089806221ff4f1a7804b90ca72648461d9db191c0c7331040f1963a949
SSDEEP

98304:ZDqPoBhz1aRxcSUDkWx7QY83EKx1eKOCXc:ZDqPe1CxcxkA7j83PxISXc

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3178) 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
2892	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	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.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	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E8D3A99-D70A-4C07-9E10-A481F371B7C3}\WpadDecisionReason = "1"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ce000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E8D3A99-D70A-4C07-9E10-A481F371B7C3}\WpadNetworkName = "Network 3"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E8D3A99-D70A-4C07-9E10-A481F371B7C3}\fe-bc-6d-92-53-7b	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-bc-6d-92-53-7b\WpadDecisionReason = "1"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E8D3A99-D70A-4C07-9E10-A481F371B7C3}	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E8D3A99-D70A-4C07-9E10-A481F371B7C3}\WpadDecisionTime = 00ca0e02e512db01	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-bc-6d-92-53-7b\WpadDecisionTime = 00ca0e02e512db01	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-bc-6d-92-53-7b\WpadDecision = "0"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8E8D3A99-D70A-4C07-9E10-A481F371B7C3}\WpadDecision = "0"	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-bc-6d-92-53-7b	d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe

C:\Users\Admin\AppData\Local\Temp\d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
"C:\Users\Admin\AppData\Local\Temp\d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:280
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2892

C:\Users\Admin\AppData\Local\Temp\d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe
C:\Users\Admin\AppData\Local\Temp\d3c89375e696aabf4fb1307c918df335d0849e4278551d45aea9cbbbf3416b08.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:756

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
23a7477cfc59a613471d698c46ca7345

SHA1
b8ee0366e853acd48a27ded7ad5c834ecf6f1927

SHA256
e4f4d5272f442d7abee7bd9bfd478766e7a81afc2f4959edbe61f60136cb2a24

SHA512
9693e5f2cd4f563589479b768b98011b6768b8dcfc897479ba4010caff60c634e50c772b0dcfeefe13f41c0b015e48f74d8ebd2c6a0b4e30202d7047acbd5358

Download Submit

Analysis

Sharing