wannacry | 6617a3498f9b46c4453eb3657f2e77a72e7f91befd55fcb15a150fb56c5d46eb

General

Target

2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Size

3.6MB
MD5

45872404bf3bf816b021d415a7045237
SHA1

823f5f1907245c2dc2b3dda3a1e95915e9612327
SHA256

6617a3498f9b46c4453eb3657f2e77a72e7f91befd55fcb15a150fb56c5d46eb
SHA512

616e4dc0c476bbcc58f7324b9bc6b445485416694cd8bf075b530892414dd0aa2e3ebeedcab3bb5b95f6930d6ab4fa6669ba1b95a02fe00cde630d81d5612983
SSDEEP

6144:GE9l9yUqIYVTH5DgSg8ajldktM0XXrCIai62yV9qbBLIwYQuy8DLq1eNVDvM:GvbLgPluCti62ybaIMu7L5NVE

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 (3285) 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	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\XA8XQ5RT.txt	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\XA8XQ5RT.txt	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7FV4QO8N.txt	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7FV4QO8N.txt	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-20_45872404bf3bf816b021d415a7045237_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	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecisionReason = "1"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\36-ff-e6-ee-20-e8	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecisionTime = 50171f67426bdb01	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecision = "0"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadNetworkName = "Network 2"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecisionReason = "1"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8\WpadDecision = "0"	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E8E0F582-A60E-487B-8966-2D9C001BF273}\WpadDecisionTime = 50171f67426bdb01	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\36-ff-e6-ee-20-e8	2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2248

C:\Users\Admin\AppData\Local\Temp\2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-20_45872404bf3bf816b021d415a7045237_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1916

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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