wannacry | 6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1

General

Target

6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Size

5.0MB
MD5

bbe97965235eb31bbb8404c18ed7b496
SHA1

e1b53385748ef80ae961892403196fd61e57b68c
SHA256

6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1
SHA512

2e462a8dc8929a889265750da53f184df6ab42b2a00ff0c1a420089e049d9fe55eb2c59100883a28b93387a8e44495eb7cf1a44373c00643c6627e72d15c69f0
SSDEEP

24576:4bLgudQhfdmMSirYbcMNgef04GWfQg6OW:4nNQqMSPbcBVzWfQoW

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3313) 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
1728	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	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.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	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.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 = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0072000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C93C552-188C-4A16-B876-D005F62698EC}\e6-d2-c8-3b-0b-53	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-d2-c8-3b-0b-53\WpadDecision = "0"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C93C552-188C-4A16-B876-D005F62698EC}	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C93C552-188C-4A16-B876-D005F62698EC}\WpadDecision = "0"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C93C552-188C-4A16-B876-D005F62698EC}\WpadDecisionReason = "1"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C93C552-188C-4A16-B876-D005F62698EC}\WpadDecisionTime = 50f076d2fff8da01	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3C93C552-188C-4A16-B876-D005F62698EC}\WpadNetworkName = "Network 3"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-d2-c8-3b-0b-53	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-d2-c8-3b-0b-53\WpadDecisionReason = "1"	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\e6-d2-c8-3b-0b-53\WpadDecisionTime = 50f076d2fff8da01	6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe

C:\Users\Admin\AppData\Local\Temp\6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
"C:\Users\Admin\AppData\Local\Temp\6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1956
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:1728

C:\Users\Admin\AppData\Local\Temp\6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.exe
C:\Users\Admin\AppData\Local\Temp\6cc8c5a5867561668f6ba3b95cc02a7b2fc750294f768ee283b3acac3cbef7f1.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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
5ebf6db8d1bddb2ef72147d51c8b96ca

SHA1
3e0c63a132e867eb782e935510cef8a37084805a

SHA256
7c900c12f9db2ec2467cb15b824835a74de63e755c4784b90dd6f45607ce39b3

SHA512
e655050c2dd41de2337748c7fe4786cd741fe0052076a0279002813025b8e5d9223d4762f969791fa270ce967a25c648c22ea0f7947d7be7bf894f1856d28165

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Analysis

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