wannacry | 74e4b1a251a29edd23add533d0d2c41140e3e3ca8168dd2ed61e86a503b1fe82

General

Target

2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Size

3.6MB
MD5

120908909f9c437f4d03a2c55f731af9
SHA1

b88ce5b12187c9360b4d90d7a994263765df0a0e
SHA256

74e4b1a251a29edd23add533d0d2c41140e3e3ca8168dd2ed61e86a503b1fe82
SHA512

0560186eb77ebc3bee325d6b0df20f0b9e185f564b51e2ef7a05e462f28a601c6c50054159840198d82ee55d157c53e2675f749e6e5029871b909c6777ddf56a
SSDEEP

49152:2nAQqMSPbcBVQe+TSqTdd1HkQo6SARoKAAcwO:yDqPoBxcSUZk36SA6KfC

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3086) 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
2760	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	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_120908909f9c437f4d03a2c55f731af9_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	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4AF0AA2-2A2B-4B0C-B50B-B0FD238B4E17}\WpadDecisionReason = "1"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4AF0AA2-2A2B-4B0C-B50B-B0FD238B4E17}\WpadDecisionTime = e0ce2bde611cdb01	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4AF0AA2-2A2B-4B0C-B50B-B0FD238B4E17}\WpadNetworkName = "Network 3"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-78-64-b0-c3-f7\WpadDecisionReason = "1"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-78-64-b0-c3-f7\WpadDecisionTime = e0ce2bde611cdb01	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4AF0AA2-2A2B-4B0C-B50B-B0FD238B4E17}\WpadDecision = "0"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-78-64-b0-c3-f7\WpadDecision = "0"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4AF0AA2-2A2B-4B0C-B50B-B0FD238B4E17}	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\f6-78-64-b0-c3-f7	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A4AF0AA2-2A2B-4B0C-B50B-B0FD238B4E17}\f6-78-64-b0-c3-f7	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2096
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2760

C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_120908909f9c437f4d03a2c55f731af9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2820

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
93b5c109da5465a468beccdcd73ee066

SHA1
30c1580f91f4b1a0474be8528880ac41fb77e20b

SHA256
a74b00d5aaaaf014e08f218f7824c6ebe051b3b71dddf83773dbdd4f8fc3d7d8

SHA512
6bcbf2015a1b4cad65fbc6ff5de6e760b60f2d0e06d158f6ed45d922552233c4153b4895526c79dc517cc044a1086de5b82bdf15cbed0d4baf9076a2a7fd7e1d

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Analysis

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