wannacry | af2a99811e96865af8bbc2758bd39fb39851e145d6f5389b6a167bb3efaf55f7

General

Target
2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Size 5.0MB
Sample240822-jcf1aaverf
SHA256 af2a99811e96865af8bbc2758bd39fb39851e145d6f5389b6a167bb3efaf55f7
MD5 31402f2824c18e75be874346690c4618
SHA1 f098f872c3705f1bff421a37aaab857f20e3db0c
SHA512 a3325cf296dd7d5b75ff7192929038a96400a418efb865ac5360e21c445175d3b958b4f60d4eff8344480629b0acb4231fb577fd328b0849435d90e53a61d82e
SSDEEP 12288:e1bLgmluyQhMbaIMu7L5NVErCA4z2g6rTcbckPU:QbLguVQhfdmMSirYbc
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3199) 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 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-08-22_31402f2824c18e75be874346690c4618_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	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-22_31402f2824c18e75be874346690c4618_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\UNCAsIntranet = "1"	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P\History	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\P3P	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2388

C:\Users\Admin\AppData\Local\Temp\2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-22_31402f2824c18e75be874346690c4618_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:700

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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