wannacry | fb314e0916a770f3da361eb313720ad0dd3951f5d8d1d0410ac76dd3fbd33d09

General

Target

2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Size

5.0MB
MD5

cf01a1f2e0d816886836c6ec71e94569
SHA1

d3fca64235d00cb3f0c96b528660e189c77d36fb
SHA256

fb314e0916a770f3da361eb313720ad0dd3951f5d8d1d0410ac76dd3fbd33d09
SHA512

b1cbc31da33634cc46e220be5bf535062a34ce336519bbaa35ae22c5281473a622da97e9fe85b3f9a7a4c43e8bb0568d47be4a5ed0ac732c7fdcc2782d8db645
SSDEEP

24576:QbLguhQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626:QnxQqMSPbcBVQej/1INR

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 (3000) 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\TWL9STZH.txt	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AJIYJ1BY.txt	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AJIYJ1BY.txt	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\TWL9STZH.txt	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_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	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0F42193C-7F77-4460-9F9B-EEAD47D12654}	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0F42193C-7F77-4460-9F9B-EEAD47D12654}\66-c2-8d-8d-27-1e	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c2-8d-8d-27-1e\WpadDecisionReason = "1"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00af000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0F42193C-7F77-4460-9F9B-EEAD47D12654}\WpadDecision = "0"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0F42193C-7F77-4460-9F9B-EEAD47D12654}\WpadDecisionTime = e02da27c053cdb01	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0F42193C-7F77-4460-9F9B-EEAD47D12654}\WpadNetworkName = "Network 3"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c2-8d-8d-27-1e\WpadDecision = "0"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c2-8d-8d-27-1e	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\66-c2-8d-8d-27-1e\WpadDecisionTime = e02da27c053cdb01	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0F42193C-7F77-4460-9F9B-EEAD47D12654}\WpadDecisionReason = "1"	2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2216

C:\Users\Admin\AppData\Local\Temp\2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-21_cf01a1f2e0d816886836c6ec71e94569_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2736

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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