wannacry | c4e38f282831214e05a0bd87c8710bafd96d14c29bf73f1f97b0027783114573

General

Target

2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Size

5.0MB
MD5

1ec57f34b1c48e4994963701f6959e3d
SHA1

008a63a6da13f0644bda824648c4fe09408c2ca8
SHA256

c4e38f282831214e05a0bd87c8710bafd96d14c29bf73f1f97b0027783114573
SHA512

a4b45d290bfb9c97a3177bd50b75fb19c2be903a6a9b79a77b290ccff22d69c08159d5166e3df28528c75a06bb9ce7fd98faccb23a539d16f21c50763ab74c6c
SSDEEP

24576:XbLgdriIZMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6627X6SASk+RdhAdmv:Xn+MSPbcBVQej/1INRp6SAARdhnv

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 (3250) 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 created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\TXRNCFP4.txt	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\TXRNCFP4.txt	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\I69DUK2J.txt	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\I69DUK2J.txt	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_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	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{330C848D-E92B-4676-AEBB-93921CAB8678}\WpadDecisionTime = d04a05180874db01	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-e1-3d-83-50-5e\WpadDecisionTime = d04a05180874db01	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-e1-3d-83-50-5e\WpadDecision = "0"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{330C848D-E92B-4676-AEBB-93921CAB8678}	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{330C848D-E92B-4676-AEBB-93921CAB8678}\WpadDecisionReason = "1"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{330C848D-E92B-4676-AEBB-93921CAB8678}\WpadDecision = "0"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-e1-3d-83-50-5e\WpadDecisionReason = "1"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{330C848D-E92B-4676-AEBB-93921CAB8678}\62-e1-3d-83-50-5e	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{330C848D-E92B-4676-AEBB-93921CAB8678}\WpadNetworkName = "Network 3"	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\62-e1-3d-83-50-5e	2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2032

C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-31_1ec57f34b1c48e4994963701f6959e3d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2440

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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