wannacry | 49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5ed

General

Target

49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Size

3.6MB
MD5

bc74083b51ddb74f1bf27319cea5a700
SHA1

3d92b8ec77319b30ed92c3dfafbb7cddf30b9af7
SHA256

49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5ed
SHA512

f8f5d9370db3d49d252fbbc9fe801d5be5d595f4a9106249fd3ec3a4d35431a87a96340f2d4a84eef0cc3164d849dbfa9c4c475727f752c98948ab0b17aeb47f
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0LL7nEaut/8mE7A4kqAH1pNZtA0p+9XEkI:2nAQqMSPbcBVbEauA8yAH1plAHI

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 (2487) 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
3032	tasksche.exe

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	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.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	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E56F4085-325D-4D97-8268-7DD0A498B14A}\WpadDecisionReason = "1"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E56F4085-325D-4D97-8268-7DD0A498B14A}\WpadDecisionTime = 60197df5cd4fdb01	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-b3-8c-ba-b4-5a\WpadDecisionReason = "1"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E56F4085-325D-4D97-8268-7DD0A498B14A}	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-b3-8c-ba-b4-5a	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00a9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E56F4085-325D-4D97-8268-7DD0A498B14A}\WpadDecision = "0"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E56F4085-325D-4D97-8268-7DD0A498B14A}\46-b3-8c-ba-b4-5a	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E56F4085-325D-4D97-8268-7DD0A498B14A}\WpadNetworkName = "Network 3"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-b3-8c-ba-b4-5a\WpadDecisionTime = 60197df5cd4fdb01	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\46-b3-8c-ba-b4-5a\WpadDecision = "0"	49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe

C:\Users\Admin\AppData\Local\Temp\49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
"C:\Users\Admin\AppData\Local\Temp\49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1660
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3032

C:\Users\Admin\AppData\Local\Temp\49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe
C:\Users\Admin\AppData\Local\Temp\49a6e5226effecbfaccd90d16c7750f84c1840404a8cc1d428425e29df04e5edN.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

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
5c11f805dc29014b001ec1cd63e48ca5

SHA1
ceb6f6cb05ca2187c8061e9a4291354860dd0510

SHA256
7feddcd13751565ab4820870305ec95816ecae17699bba66c9d7c5d66febf5e1

SHA512
3914a79dad7c70bdbe8d61730737c9c4a4ccfcfa985436c11bb4ccff085b56ca518a543d5989f9596dbf234189c4be5b6a21a6ee91101219c51984efc5c2a000

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Analysis

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