wannacry | efa4c798f57c0caa6b4c875589194fb40e72f1bc3e321cc143d3c76a5b2c4a5d

General

Target

2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Size

3.6MB
MD5

f46571b743139c43c86e413f1ea91e25
SHA1

680da1b0bfa365fb9723c65364506a372dda7a99
SHA256

efa4c798f57c0caa6b4c875589194fb40e72f1bc3e321cc143d3c76a5b2c4a5d
SHA512

8679e0eb60bc507481317a9776c24e22e532e0a84517f43ebc480698aecfa1c569606d4b48d22f3f24e5f92db40c889521ab9baf5fb0518d4fb9a5b8114fdc5b
SSDEEP

98304:oaqPoBhz1aRxcSUDk36SA+xWa9P593R8yAVp2HI:oaqPe1Cxcxk3ZAxadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3235) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
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 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\2L0PLZTY.txt	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\2L0PLZTY.txt	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\A1SBME2U.txt	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\A1SBME2U.txt	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-11_f46571b743139c43c86e413f1ea91e25_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	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{82883304-9C84-47FF-BEAA-4DB6E88B9EA9}\WpadDecisionReason = "1"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{82883304-9C84-47FF-BEAA-4DB6E88B9EA9}\WpadDecisionTime = 00ba887ec31bdb01	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{82883304-9C84-47FF-BEAA-4DB6E88B9EA9}\WpadDecision = "0"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-a8-37-84-31-1e	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{82883304-9C84-47FF-BEAA-4DB6E88B9EA9}	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{82883304-9C84-47FF-BEAA-4DB6E88B9EA9}\WpadNetworkName = "Network 3"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-a8-37-84-31-1e\WpadDecisionTime = 00ba887ec31bdb01	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f007c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{82883304-9C84-47FF-BEAA-4DB6E88B9EA9}\c6-a8-37-84-31-1e	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-a8-37-84-31-1e\WpadDecisionReason = "1"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c6-a8-37-84-31-1e\WpadDecision = "0"	2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2872

C:\Users\Admin\AppData\Local\Temp\2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_f46571b743139c43c86e413f1ea91e25_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2836

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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