wannacry | acceb303155e19d4b04e7d24ac2b1c1d261cd02f9c7f444a3e93398b97c3a7f2

General

Target

2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Size

5.0MB
MD5

ae59a125709a17c247c1437bd8aa10e7
SHA1

f6593ec0d6688b4bd725cb52198f4dbd9d000bac
SHA256

acceb303155e19d4b04e7d24ac2b1c1d261cd02f9c7f444a3e93398b97c3a7f2
SHA512

b475786885bd3e6640e1111796776357b0d82c5ae8bae0734ef817e2421fb1664b12ed4e58288d9ebb7143ee769505a07780ba601e82dbd7d3e6de9c9552088b
SSDEEP

24576:VbLgddQhfdmMSirYbcMNgef0BMgHFPmpJLSfTPyt5m/DDqCwP8avs:VnAQqMSPbcBVB7FNym7w30

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 (3211) 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
316	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	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_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	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-59-5d-5a-ee-1b	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6628A901-92F0-4E43-BF96-AB279DB478A6}\86-59-5d-5a-ee-1b	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-59-5d-5a-ee-1b\WpadDecisionReason = "1"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-59-5d-5a-ee-1b\WpadDecisionTime = 6022df369978db01	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6628A901-92F0-4E43-BF96-AB279DB478A6}\WpadNetworkName = "Network 3"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6628A901-92F0-4E43-BF96-AB279DB478A6}\WpadDecisionTime = 6022df369978db01	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6628A901-92F0-4E43-BF96-AB279DB478A6}\WpadDecision = "0"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\86-59-5d-5a-ee-1b\WpadDecision = "0"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6628A901-92F0-4E43-BF96-AB279DB478A6}	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6628A901-92F0-4E43-BF96-AB279DB478A6}\WpadDecisionReason = "1"	2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2084
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:316

C:\Users\Admin\AppData\Local\Temp\2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-02-06_ae59a125709a17c247c1437bd8aa10e7_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2312

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
0571888736cf52d04dfc822bce3ba4ac

SHA1
cee3f4193b5f13914dace8d8fe78e19596698e87

SHA256
f95e53a07e6c5e6e774687bbd8946ba1ff82b68434b34e6caf698d7c0ce99315

SHA512
aba93a37ce185af6b40d46e5b3e483feb6f7cff0ee4ca0f86c8f21316e58063ecbcfb1f6616bace0022e5c4a3f1fb13492528f351920c3fd0fc601b9332cfa23

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