wannacry | 9a4948fc1e1080e6e951ca91a1e6a063486dc228af0689cbe2dfcad919e356fe

General

Target

d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Size

3.6MB
MD5

d84404fd96fca52bb8af403da29b5b2d
SHA1

3a7ea9025de02dc3fd3d0ca1fc34ff9ebcf47b80
SHA256

9a4948fc1e1080e6e951ca91a1e6a063486dc228af0689cbe2dfcad919e356fe
SHA512

844626cb90136dfbe84ee70b5571b8e1aede8319cd608987b8637932519d3f53a4191356defa3298ae3806bd61fcd22f1a60429c6b70dceb13be42207bbd4abe
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SA:XDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2971) 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
2624	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	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.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	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0163000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8D8B0467-6AFE-45A6-90FA-C1C66B17D708}	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8D8B0467-6AFE-45A6-90FA-C1C66B17D708}\WpadDecision = "0"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-49-0a-32-dd-a4\WpadDecision = "0"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-49-0a-32-dd-a4	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8D8B0467-6AFE-45A6-90FA-C1C66B17D708}\b2-49-0a-32-dd-a4	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-49-0a-32-dd-a4\WpadDecisionReason = "1"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8D8B0467-6AFE-45A6-90FA-C1C66B17D708}\WpadDecisionReason = "1"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8D8B0467-6AFE-45A6-90FA-C1C66B17D708}\WpadNetworkName = "Network 3"	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\b2-49-0a-32-dd-a4\WpadDecisionTime = b02481217b03db01	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8D8B0467-6AFE-45A6-90FA-C1C66B17D708}\WpadDecisionTime = b02481217b03db01	d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:612
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2624

C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\d84404fd96fca52bb8af403da29b5b2d_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1424

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
4613c0f230c795e3aee9638f769c8658

SHA1
27e4fe1102087a820b975b6f5190db71b16aeae6

SHA256
0e6ba53dbfcfb9eed1ef7e20b1cc810ca607cdae3c75dc0293b966f8f499749d

SHA512
6ef62683d31790f1539492b8929c30bdf39de665af318caa4f5737aa91b5e82b0ddd06a383bd9ae4e6dd15cf57af4a8dbc57614804ea41bf3c92b61dce0c3002

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