wannacry | 85f5061d48750a64b929924d147eed7b0a643b38854fac0f072e2061433e0585

General

Target

ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Size

3.6MB
MD5

ce9bf2f35c44c682cbc9c2a346815718
SHA1

0d979d19264f092d5bcdc322bd0a057bacdaf39d
SHA256

85f5061d48750a64b929924d147eed7b0a643b38854fac0f072e2061433e0585
SHA512

a507634bec7507e251735a924c57317daeafb5b03704d05fcf89959a63ced8df986d797ea7a2b6ab1880bde57b392f57ef3e7497db1a4fc6c2c0eb1beeaff1b7
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R0:XDqPe1Cxcxk3ZAEUadzR0

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2914) 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
372	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	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	ce9bf2f35c44c682cbc9c2a346815718_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	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadDecisionTime = 80855ade1100db01	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadDecision = "0"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac\WpadDecisionReason = "1"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac\WpadDecisionTime = 80855ade1100db01	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadNetworkName = "Network 3"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\WpadDecisionReason = "1"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{CCA608DC-E7BC-4A77-AD74-A73391D9EEBD}\be-cf-02-41-fc-ac	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\be-cf-02-41-fc-ac\WpadDecision = "0"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2516
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:372

C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ce9bf2f35c44c682cbc9c2a346815718_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2476

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
4dbea90de35d581156177c29e90e613c

SHA1
36784aa8642cee16bdf8e5d979c16f74975ff742

SHA256
390e1e514a3215a1ccb49d9cfb4fa66d0c9ad0f74511c48432187430e8032041

SHA512
276599b7e83dd35faa81d05f17dbd8e5692a2aff90a100705b3777be33b6010f428e778672a4a270a927b1286eee28212696026a42b95d8558f58f44a7d7c1d7

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