wannacry | 2bae6e502f89145ed30ecd7b0c2f6a92594da59b580c360fce7b03762ab99fda

General

Target

2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Size

3.6MB
MD5

de6e94d5591fd75f5100442ae4be3b7e
SHA1

6ac0c286b0ba577ac07168d4870f8f0ad9d67e8d
SHA256

2bae6e502f89145ed30ecd7b0c2f6a92594da59b580c360fce7b03762ab99fda
SHA512

95f12ff30d11c6951d419a9d0e8969364b3464f0390173051f979595524fe65ac2620764277b7be11c01b47374d707334916fa1ea2865c134137fefcf5be14f4
SSDEEP

98304:oDqPoBhz1aRxcSUDkEQv9Snm1tnr7DRbxyE1CaX+G4Q8F5:oDqPe1CxcxkEQv9Snm1tnr7DRbxyE1CN

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3245) 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
2108	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_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_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_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_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 = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-1c-38-37-20-62\WpadDecisionTime = f0b45388671cdb01	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09157611-87E3-40A8-A828-536C7A05687B}\WpadDecisionTime = f0b45388671cdb01	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09157611-87E3-40A8-A828-536C7A05687B}	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09157611-87E3-40A8-A828-536C7A05687B}\WpadDecisionReason = "1"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09157611-87E3-40A8-A828-536C7A05687B}\WpadNetworkName = "Network 3"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-1c-38-37-20-62\WpadDecisionReason = "1"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09157611-87E3-40A8-A828-536C7A05687B}\WpadDecision = "0"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-1c-38-37-20-62	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{09157611-87E3-40A8-A828-536C7A05687B}\5a-1c-38-37-20-62	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-1c-38-37-20-62\WpadDecision = "0"	2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1724
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2108

C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_de6e94d5591fd75f5100442ae4be3b7e_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:596

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
913198f3e8dd9036ce5001f49b670fab

SHA1
f3db77750604a3c586544763630354e71825b736

SHA256
84101afa0756983f0274efab7890f377b22356281bdd236a4657844d958effb2

SHA512
098818ea840a28f33ff60af0f0fabe907cf5052c935192c7661ffdcbe06c015d6843c55fa9d5b02d7cdde6da447c9ec0018f7339ddaee494298bf61618000352

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Analysis

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