wannacry | 23c13a2d994bd2f29633e8828e692c126ce0fb014cb2e76a4d0f667a2a7b5b6e

General

Target

2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Size

2.2MB
MD5

f5e449b27e6004c633f7576533671bfc
SHA1

367f7be26f7f4b2619ff8e997a64e930bdbcaf49
SHA256

23c13a2d994bd2f29633e8828e692c126ce0fb014cb2e76a4d0f667a2a7b5b6e
SHA512

71a018aa1b9fafb246072ceb84b56e769e6fd41268fb08e309e70b47d3e9894191d0658cff94dd1ea577f52b87300a478f415084108c85d2ebaf2ffd8682dd53
SSDEEP

24576:QbLgurieh/dmMSirYbcMNgef0QeQjG/D8kI:QnHqMSPbcBVQej/

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3248) 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\OUCYGS5G.txt	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\OUCYGS5G.txt	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\VIJ13VKM.txt	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\VIJ13VKM.txt	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-27_f5e449b27e6004c633f7576533671bfc_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	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1581BD5-C9DA-45B2-B5B8-44BACB8E6E96}\WpadDecisionReason = "1"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-b8-31-e1-4b-89	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1581BD5-C9DA-45B2-B5B8-44BACB8E6E96}\WpadNetworkName = "Network 3"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1581BD5-C9DA-45B2-B5B8-44BACB8E6E96}\6e-b8-31-e1-4b-89	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1581BD5-C9DA-45B2-B5B8-44BACB8E6E96}\WpadDecisionTime = a0bb4cc50311db01	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1581BD5-C9DA-45B2-B5B8-44BACB8E6E96}\WpadDecision = "0"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-b8-31-e1-4b-89\WpadDecisionReason = "1"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-b8-31-e1-4b-89\WpadDecision = "0"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F1581BD5-C9DA-45B2-B5B8-44BACB8E6E96}	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-b8-31-e1-4b-89\WpadDecisionTime = a0bb4cc50311db01	2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2440

C:\Users\Admin\AppData\Local\Temp\2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-27_f5e449b27e6004c633f7576533671bfc_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2748

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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