wannacry | 185d8cc48afa15f07e944c497d25ff4c649b10257f3d6860ba1aa9e0540e3c09

General

Target

e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Size

3.6MB
MD5

e5e9e01c13fb7bcba773d47ec6985308
SHA1

3f3351e2ea71af75a1bb59be0445b6739088d4a4
SHA256

185d8cc48afa15f07e944c497d25ff4c649b10257f3d6860ba1aa9e0540e3c09
SHA512

f67151418275a693429efe3c13e5d0df22fd46c7981059cd594875764314657f9d5a9d77ccdd6e89f7823cce9e530f93543e1575a935a18ade810a61f07eeba8
SSDEEP

49152:2nAQqMSPbcBVGAMEcaEau3R8yAH1plAHI:yDqPoBU593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3235) 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
2772	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	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	e5e9e01c13fb7bcba773d47ec6985308_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	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\a6-29-fb-d4-29-22	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadDecisionReason = "1"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadDecisionTime = e07e32faac08db01	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22\WpadDecisionReason = "1"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22\WpadDecisionTime = e07e32faac08db01	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadDecision = "0"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-29-fb-d4-29-22\WpadDecision = "0"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00d1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7550CE52-E5DA-447E-B76C-BDF604CEB25C}\WpadNetworkName = "Network 3"	e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2404
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2772

C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\e5e9e01c13fb7bcba773d47ec6985308_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2092

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
99459f9a1f0aec9d4290cd8bb14f1e77

SHA1
8fe30db172e38ab7d71a861e13e601b2027de41e

SHA256
d282ffc6b21d94edba322096d881b903504916e4944ba0b5372610af367f2a72

SHA512
a9d9e674cc957be4c1277599aa8546cb0074f5c1330a1f7531fabd92e25e48a29c32a2be5e392bc0bf5b07285905ce2086aff8da7cf7d68f22a8907977a1226b

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