wannacry | 28f5e48871e37772162ca2d9ef5ba905a65ee894aa518a63f26221ae9dda195e

General

Target

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Size

3.6MB
MD5

70b52d2bf5192eaebd53e883ffa9c35c
SHA1

32c92daddbf55b011772ee707bc7ca6e6e8f6d6b
SHA256

28f5e48871e37772162ca2d9ef5ba905a65ee894aa518a63f26221ae9dda195e
SHA512

80ad800047fb57af599991fc8bc295b0c9a36a3bf59f2492cf82b06afdadaa62b9377c5f24eb04ba2d3bc867d5816e7ad9eb5cd367d84863b0e99f5d51f50d7b
SSDEEP

49152:XnAQHMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnv:XDHPoBhz1aRxcSUDk36SAEdhv

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 (3238) 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

Processes:

tasksche.exe

pid process

2608 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

pid	process
2608	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_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

Processes:

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecision = "0"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\b6-ca-83-25-1a-41	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecision = "0"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecisionTime = 10556d6a1f35db01	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecisionTime = 10556d6a1f35db01	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadDecisionReason = "1"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6C87582F-BE40-4146-A140-01801D13C675}\WpadNetworkName = "Network 3"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b6-ca-83-25-1a-41\WpadDecisionReason = "1"	2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2076
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2608

C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-12_70b52d2bf5192eaebd53e883ffa9c35c_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2164

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
48102f4fe8131c4eb747ffb80baa1243

SHA1
7e648303720a848979a483edca83e5dc74e82baa

SHA256
ae314684678031439f8f5b9a3cc1339d6611c56009968b4ddcbb7e0e6dba9498

SHA512
1894300e8257d833e2b2a6c503fc5da8656d043b1cc73b2eac5e775b23abb7df77b5d504855f647c6c226062b7d88d4bf1a8a1b2f6d20aaeb2ac6502fed11a04

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads