wannacry | 618e085de6c6b24cb50d0f886050eec6f703f489f11e5af47c0489394fc8f5e6

General

Target

2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Size

5.0MB
MD5

57102e8d352818daf25ccd21114683fe
SHA1

770a7e82ef772db79c0b7e96d7788a8828db3998
SHA256

618e085de6c6b24cb50d0f886050eec6f703f489f11e5af47c0489394fc8f5e6
SHA512

4a40aadb978401799df9d076eab7476209f962fd3137ca3d262cecf99d213b9a2d733a68ae102bec5a3c5b36e5e04719a02337356d7efe1596e9a45adf0359b8
SSDEEP

6144:GE9l9ynqIYVTH5DgSg8ajldktM0XXrP2QhMV9qbBLIwYQuy8DLq1eNVDvMrHC+V:GebLgPlu+QhMbaIMu7L5NVErCA

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 (3341) 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
2044	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	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-16_57102e8d352818daf25ccd21114683fe_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	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{74C95E65-F65E-41E9-B96C-19C91BB3395D}\WpadDecision = "0"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{74C95E65-F65E-41E9-B96C-19C91BB3395D}\0a-55-95-89-9e-a2	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-55-95-89-9e-a2\WpadDecisionReason = "1"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{74C95E65-F65E-41E9-B96C-19C91BB3395D}\WpadDecisionTime = 70de2298b04fdb01	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{74C95E65-F65E-41E9-B96C-19C91BB3395D}	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{74C95E65-F65E-41E9-B96C-19C91BB3395D}\WpadNetworkName = "Network 3"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-55-95-89-9e-a2\WpadDecision = "0"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{74C95E65-F65E-41E9-B96C-19C91BB3395D}\WpadDecisionReason = "1"	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-55-95-89-9e-a2	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-55-95-89-9e-a2\WpadDecisionTime = 70de2298b04fdb01	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2332
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2044

C:\Users\Admin\AppData\Local\Temp\2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-16_57102e8d352818daf25ccd21114683fe_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2920

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
1d90626c6c0cf682e327bc2014f8619d

SHA1
9acf210e3be9d5b951609623000faf7f40dc266b

SHA256
332d5c995feb1b1c556d706eb6be4b72a4bcfc607238acc27615ed7264dc4888

SHA512
a621894ef246a5a4ccea290706235f2e7860665b70bd7c94ebcf20c837626b767d2c31ae71572b3de098c340435c60a5e1f7bab81304df6e97ede5c94f72ea39

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Analysis

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