wannacry | c6ab3a2d7944b32a00ed7be21558ce6d9115b0ad1fbdfabe371b5d44d6080628

General

Target

2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Size

5.0MB
MD5

f44e76524ae3e3db4c1f1b4532ced4dc
SHA1

2a1f60d41dfc4b15acf56168218d70744e6cf2a7
SHA256

c6ab3a2d7944b32a00ed7be21558ce6d9115b0ad1fbdfabe371b5d44d6080628
SHA512

424f130f8cfdbea149fb6ca57754e1fa4b11966944aa56774e424cc83f1b9a115011d27dfcdd590e24c25bcdbddc957fcbd18f3ed50f2db7d6ceea402c8fab75
SSDEEP

98304:yWqPoBhz1aP6SAEdhvxWa9P593R8yAVp2H:yWqPe1EZAEUadzR8yc4H

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 (3204) 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

2756 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
2756	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_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:

2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadDecision = "0"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac\WpadDecisionReason = "1"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadDecisionTime = f015cecade31db01	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\be-cf-02-41-fc-ac	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac\WpadDecision = "0"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadNetworkName = "Network 3"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac\WpadDecisionTime = f015cecade31db01	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadDecisionReason = "1"	2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1588
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2756

C:\Users\Admin\AppData\Local\Temp\2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-08_f44e76524ae3e3db4c1f1b4532ced4dc_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2496

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
db0dc3e4c89ad8a7744c09b78b7032fa

SHA1
67ae5404d5ceb17fa752bcdd20d6f0690f878321

SHA256
c9f422bdf621d4ece515813b28459d0a016e94a03a0ef223cf46a2cc475152c4

SHA512
4d82b246e699ba763ace97ab4acaaf04c3ae8327bcfec6658e114c040d0ec87be4251ba2328b686515690591812e1cd1f16497b5e365035af5003b716d17fb49

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Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads