wannacry | 632fdfcc9c6f422d3c52804142d62e86c42a16f1d6529e4f249d817bbcd6184a

General

Target

2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Size

5.0MB
MD5

ece8bb24914ece46aedf23f26ec249eb
SHA1

d89f97a39672cb06cc06c08f0222a73fc2e5320e
SHA256

632fdfcc9c6f422d3c52804142d62e86c42a16f1d6529e4f249d817bbcd6184a
SHA512

25b23dbed3ecdd3aee7ce8c76659960e625326323980bc1a3cfbe06e702854cc17474cab096b5d230b9ad3f5c974ef2fb301020240ac1293e77af6be79ce0559
SSDEEP

49152:4nnMSPbcBVQej/1INx+TSqTdXP6SAARdhnv:onPoBhz1axcSU96SAEdhv

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 (3245) 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	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\O5JE15TB.txt	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\O5JE15TB.txt	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BWECFXAM.txt	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\BWECFXAM.txt	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_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	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-c3-a9-eb-ea-38	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-c3-a9-eb-ea-38\WpadDecision = "0"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA2D1478-0DD4-4213-AC7C-37711A83D4D0}	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA2D1478-0DD4-4213-AC7C-37711A83D4D0}\WpadDecisionReason = "1"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA2D1478-0DD4-4213-AC7C-37711A83D4D0}\0a-c3-a9-eb-ea-38	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA2D1478-0DD4-4213-AC7C-37711A83D4D0}\WpadDecision = "0"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA2D1478-0DD4-4213-AC7C-37711A83D4D0}\WpadNetworkName = "Network 3"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0177000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{AA2D1478-0DD4-4213-AC7C-37711A83D4D0}\WpadDecisionTime = d031a81fb756db01	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-c3-a9-eb-ea-38\WpadDecisionTime = d031a81fb756db01	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-c3-a9-eb-ea-38\WpadDecisionReason = "1"	2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2788

C:\Users\Admin\AppData\Local\Temp\2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-25_ece8bb24914ece46aedf23f26ec249eb_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2820

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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