wannacry | d9c532357e92fa44d0353fbfe2e8418a4201542215c6dcdb0b8c452252facec0

General

Target

2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Size

3.6MB
MD5

56bd6cd862196718e8eea6419feb7bca
SHA1

5fe5decdace48d7ddbea3f8601a2fde00b96ed0d
SHA256

d9c532357e92fa44d0353fbfe2e8418a4201542215c6dcdb0b8c452252facec0
SHA512

a22b8d932bf975d371602d468190e1f0c7aadbc4dd8b7273ad5595c6d9c592766834de237fecd504d134c5a9cd981c52b4d67ea028b4542ac5c484b74c8059e0
SSDEEP

49152:2nAQqMSPbcBVQej/1INRPvxJMdAMEcaEau3R8yAH1plAHI:yDqPoBhz1aR3xWd593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3142) 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	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-11_56bd6cd862196718e8eea6419feb7bca_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	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-11_56bd6cd862196718e8eea6419feb7bca_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\UNCAsIntranet = "0"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6370CC74-E4B0-4845-91CF-BCBD6F1A60BF}	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-ca-3f-e3-c2-84	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6370CC74-E4B0-4845-91CF-BCBD6F1A60BF}\WpadDecision = "0"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6370CC74-E4B0-4845-91CF-BCBD6F1A60BF}\WpadDecisionReason = "1"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6370CC74-E4B0-4845-91CF-BCBD6F1A60BF}\WpadDecisionTime = 804dde44761bdb01	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6370CC74-E4B0-4845-91CF-BCBD6F1A60BF}\WpadNetworkName = "Network 3"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6370CC74-E4B0-4845-91CF-BCBD6F1A60BF}\0e-ca-3f-e3-c2-84	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-ca-3f-e3-c2-84\WpadDecisionReason = "1"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-ca-3f-e3-c2-84\WpadDecision = "0"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00fb000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-ca-3f-e3-c2-84\WpadDecisionTime = 804dde44761bdb01	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2100
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2108

C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-11_56bd6cd862196718e8eea6419feb7bca_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2244

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
113f11bc40e47ca8ff018ec317ac3a83

SHA1
69a0ec3fa22246779d7a55f5ad78607140555eb2

SHA256
b0d7a5d1491abfa5ea5b011d02f084e78719dd9a15925a96d3013fc988895bfa

SHA512
fa3d70ad2fa6266118b4f7a047bd515cfff1802dda85897b93061fe3ea2d8f68ed42424be2658c07ad65401b6d6b5653852d1342da1e0d9afc859de6ebb52cde

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Analysis

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