wannacry | 46b75551f53e56ea56b4df0f3a8061038924c9ed11e5ca87f8067a523baeab62

General

Target

2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Size

5.0MB
MD5

72e29eb6bcf6bc72e00d094924ec31f2
SHA1

6b2c153ccffc5ecb4838e3de7e47776c93d16ac3
SHA256

46b75551f53e56ea56b4df0f3a8061038924c9ed11e5ca87f8067a523baeab62
SHA512

7e302d1a762800447e8e42a94ec0ed45ccaf52efe118ff9c4d16945b73f119614cdd7362a9e78f32558c5fe4aba9dfe1c8ec5dd8c66d65c319b03e20e2c24bf3
SSDEEP

49152:XnEQqMSPbcBVQej/1INRk+TSqTdX1HkQo6SA:XnqPoBhz1aRkcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3215) 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
3748	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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2064
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3748

C:\Users\Admin\AppData\Local\Temp\2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-04_72e29eb6bcf6bc72e00d094924ec31f2_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:5100

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
9b79fa675dfdaaa9e8a2b3fd917bef0c

SHA1
d7f288460dc5ae70d71d0fe81e078ebdf778db5f

SHA256
b5e8ed118ebda8bebd08e69cd2a602866dca8f0aebe20429f4eaf31732c9cc38

SHA512
a133436711030c8a62b811770197f93ee0152658d0ffdb18a42a8bafab6f8d1cc3faf45bba9448bc58bf016ffd4e43bfb3f496c83ea419a746ba6563d4876a99

Download Submit

Analysis

Sharing