wannacry | 6d671e0b6ac29a10c47fb356ea0a9e1a84fccbce1b57fa8305bd80d8e480acb9

General

Target

eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Size

3.6MB
MD5

eaa30e4e1bbcc00d9041929082440579
SHA1

fad0f71c7260bd1f5de6d9a4132eafc51843bcdd
SHA256

6d671e0b6ac29a10c47fb356ea0a9e1a84fccbce1b57fa8305bd80d8e480acb9
SHA512

61cf80f81d3469482e786b35b30d54169651e46e74df34e022691134673f271a7f2737df7851670227d011b2bed1890d91c950d7a10cd12198f56d2fc69b5d8c
SSDEEP

98304:yDqPoO1aRxcSUDk36SAEdhvxWa9Pu29AVp2HI:yDqPj1Cxcxk3ZAEUaduUc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3024) 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
2908	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	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	eaa30e4e1bbcc00d9041929082440579_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	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b9000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-c6-5e-9a-5e-a4\WpadDecisionReason = "1"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E2F70813-EB3A-444B-B5AB-CDE1D6677C49}\WpadDecisionReason = "1"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E2F70813-EB3A-444B-B5AB-CDE1D6677C49}\WpadDecisionTime = 90cd807f510adb01	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E2F70813-EB3A-444B-B5AB-CDE1D6677C49}\WpadDecision = "0"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-c6-5e-9a-5e-a4	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-c6-5e-9a-5e-a4\WpadDecision = "0"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E2F70813-EB3A-444B-B5AB-CDE1D6677C49}	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E2F70813-EB3A-444B-B5AB-CDE1D6677C49}\WpadNetworkName = "Network 3"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E2F70813-EB3A-444B-B5AB-CDE1D6677C49}\ee-c6-5e-9a-5e-a4	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-c6-5e-9a-5e-a4\WpadDecisionTime = 90cd807f510adb01	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2180
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2908

C:\Users\Admin\AppData\Local\Temp\eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\eaa30e4e1bbcc00d9041929082440579_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3036

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
297d192b5655ba34a89c0b7e410cae4e

SHA1
97c57e8f6bae9bd2abf64a72cc1997813f0420f4

SHA256
ef7018634769cbb69f580e0951fb2d383a74f3419c3abed791279df0ee1d70e9

SHA512
efd7bc3fe2814ae370e398a18956e1580fc9659cf23566fda57b0fa1d4b1f1d59d1769015d1d5f7cf5fe6e0080bca363d61f606fc49b50e6436654479b7c0952

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