wannacry | 6159dace03bfb112365f97e0b6c766d88c7c39aa664d02720a084f3e9865e83d

General

Target

4fd40831a348bddbf12dbda03a2bfb70N.exe
Size

3.6MB
MD5

4fd40831a348bddbf12dbda03a2bfb70
SHA1

35c3f9453904cedbf9a049612944431aaca51415
SHA256

6159dace03bfb112365f97e0b6c766d88c7c39aa664d02720a084f3e9865e83d
SHA512

94c4ee06d2e040cf85a189c1989e1a286bfb6e56dec6c1012c1465f8f5362ec7ec39f50f4bfa27caf71682ba8de31375f7cd89c7543f21fde9f7c1511f6a0919
SSDEEP

98304:XJPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:XJPe1Cxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2303) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	4fd40831a348bddbf12dbda03a2bfb70N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	4fd40831a348bddbf12dbda03a2bfb70N.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	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4fd40831a348bddbf12dbda03a2bfb70N.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadNetworkName = "Network 3"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\7e-54-02-e0-b6-49	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49\WpadDecisionTime = e033687d5204db01	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49\WpadDecisionReason = "1"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadDecisionTime = e033687d5204db01	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadDecision = "0"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-54-02-e0-b6-49\WpadDecision = "0"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{3BF74805-04D3-4F3E-87F3-5E07B44670BC}\WpadDecisionReason = "1"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	4fd40831a348bddbf12dbda03a2bfb70N.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	4fd40831a348bddbf12dbda03a2bfb70N.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b5000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	4fd40831a348bddbf12dbda03a2bfb70N.exe

C:\Users\Admin\AppData\Local\Temp\4fd40831a348bddbf12dbda03a2bfb70N.exe
"C:\Users\Admin\AppData\Local\Temp\4fd40831a348bddbf12dbda03a2bfb70N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1260

C:\Users\Admin\AppData\Local\Temp\4fd40831a348bddbf12dbda03a2bfb70N.exe
C:\Users\Admin\AppData\Local\Temp\4fd40831a348bddbf12dbda03a2bfb70N.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

1

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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