wannacry | c6fd1f116caeadf998faa62c7235bc209970738acbb7207da45c6cf780d65472

General

Target

2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Size

3.6MB
MD5

fbab68b3219136c9641243c2ce3b3151
SHA1

4fe7b545997cc5a9a9cec1fb41a4e3afa22b23f8
SHA256

c6fd1f116caeadf998faa62c7235bc209970738acbb7207da45c6cf780d65472
SHA512

1d6f88c0e183667edf1ec0e23ce89324f9f8145935b5db38ed540b55b6d211aa7482c2c489e0c180101780d66b93d111b3260cc22d68699d7fc075a4b6e50e77
SSDEEP

24576:XbLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPV:XnAQqMSPbcBVQej/1INRx+TSqTd

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3268) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
2212	tasksche.exe

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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-09-24_fbab68b3219136c9641243c2ce3b3151_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	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b4000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{052B17EA-E929-49A2-8CF7-D138F1C9DD75}	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{052B17EA-E929-49A2-8CF7-D138F1C9DD75}\WpadDecisionTime = b0170f83a60edb01	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{052B17EA-E929-49A2-8CF7-D138F1C9DD75}\WpadNetworkName = "Network 3"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{052B17EA-E929-49A2-8CF7-D138F1C9DD75}\WpadDecisionReason = "1"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-b3-4e-af-79-7d	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-b3-4e-af-79-7d\WpadDecisionTime = b0170f83a60edb01	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{052B17EA-E929-49A2-8CF7-D138F1C9DD75}\WpadDecision = "0"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{052B17EA-E929-49A2-8CF7-D138F1C9DD75}\da-b3-4e-af-79-7d	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-b3-4e-af-79-7d\WpadDecisionReason = "1"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\da-b3-4e-af-79-7d\WpadDecision = "0"	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2956
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2212

C:\Users\Admin\AppData\Local\Temp\2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-09-24_fbab68b3219136c9641243c2ce3b3151_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2672

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

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
8dddaf5336c7323cf85617da2f2e34aa

SHA1
ff8d8f6c0a919219babdada50152478e7eb6915e

SHA256
a8fdfb2424386f5a499c991765de8a741d075abfd30f5536d61b2b938bb616e2

SHA512
0b7870f784d7be740f70657bcf7339013c9d4530e4b4d1aaccbc368ebb52a45c4fd0d03dce3f8a51ad2991b7fbbae3992024d19ca0c0aa9e9805bffce1a5f9bd

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Analysis

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