wannacry | 3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1d

General

Target

2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Size

5.0MB
MD5

a4b3ba6031f38c5277320bfece936840
SHA1

628df3dd85b8c4ca4b67e68711f116229967f6bd
SHA256

3a41fa334f12854deb9e9fb38f90f93c3ec731bdad7b810f3a461fc319ef0c1d
SHA512

e6139125aff256febf3d3147fa0bbd85e660c04925a954505110f9726dda2f4ce78a8bed8c30910ed6ca28a14f7d684314147aadde8441783f78f290a444385b
SSDEEP

12288:e1bLgmluCti62ybaIMu7L5NVErCA4z2g6rTcbckP:QbLgurihdmMSirYbc

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 (3182) 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\Roaming\Microsoft\Windows\Cookies\FMBCX2RZ.txt	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AYC21M6V.txt	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AYC21M6V.txt	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\FMBCX2RZ.txt	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-17_a4b3ba6031f38c5277320bfece936840_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	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{98CAD950-072A-4C8C-B658-B939D5D9FC08}\WpadDecision = "0"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{98CAD950-072A-4C8C-B658-B939D5D9FC08}\1e-f1-56-4b-64-c9	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f1-56-4b-64-c9\WpadDecision = "0"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f1-56-4b-64-c9\WpadDecisionTime = 60f143627150db01	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f1-56-4b-64-c9	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{98CAD950-072A-4C8C-B658-B939D5D9FC08}	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{98CAD950-072A-4C8C-B658-B939D5D9FC08}\WpadDecisionReason = "1"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{98CAD950-072A-4C8C-B658-B939D5D9FC08}\WpadDecisionTime = 60f143627150db01	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{98CAD950-072A-4C8C-B658-B939D5D9FC08}\WpadNetworkName = "Network 3"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\1e-f1-56-4b-64-c9\WpadDecisionReason = "1"	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0168000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3052

C:\Users\Admin\AppData\Local\Temp\2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-17_a4b3ba6031f38c5277320bfece936840_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2332

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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