wannacry | 87f659fb0e0958e9cd80195fecda5a7c7a5592a78dc473d07b00ffad6acc7599

General

Target

2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Size

5.0MB
MD5

60adb46853cd0e9c497eacb0fb66bd41
SHA1

e13e7617c6a5ffdf382908a743ac2dbab2b82573
SHA256

87f659fb0e0958e9cd80195fecda5a7c7a5592a78dc473d07b00ffad6acc7599
SHA512

0f1dad701111c35b9604ee4c431b4b2dbd8667ad813f9b77a268c66fa53af08129077586ba9a44f72243c66ff18c6d3875e605ae23447a5d169ea2c2baba96af
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6S:XDqPoBhz1aRxcSUDk36S

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 (3223) 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
2852	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	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_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	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89F52D4C-364F-47D7-AD0B-10C3FFD01565}\WpadDecisionTime = c076b332ba4bdb01	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89F52D4C-364F-47D7-AD0B-10C3FFD01565}\WpadDecisionReason = "1"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89F52D4C-364F-47D7-AD0B-10C3FFD01565}\WpadNetworkName = "Network 3"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-d7-b9-9a-ef-c4\WpadDecisionReason = "1"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-d7-b9-9a-ef-c4\WpadDecision = "0"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f010d000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89F52D4C-364F-47D7-AD0B-10C3FFD01565}	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89F52D4C-364F-47D7-AD0B-10C3FFD01565}\f6-d7-b9-9a-ef-c4	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-d7-b9-9a-ef-c4\WpadDecisionTime = c076b332ba4bdb01	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{89F52D4C-364F-47D7-AD0B-10C3FFD01565}\WpadDecision = "0"	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-d7-b9-9a-ef-c4	2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2308
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2852

C:\Users\Admin\AppData\Local\Temp\2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-11_60adb46853cd0e9c497eacb0fb66bd41_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3000

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
113be9e3062d9bf016c70f809f1e26f8

SHA1
1efb235af1adaefdd1c45fcc8ed6a33427e7a431

SHA256
3bf39520acf3452a5446d64c84cbd2982031f71fb185f66ac3e126555448a083

SHA512
4f466b4f82ee605308c0645432a9e35e66cfb5ee8f2d0e16d9c541f4a534b140f815ccb3d329a632c450a3261c0cf690579bae0c1b994d7025ecd8dadc176833

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