wannacry | 22f52268bf5aae6bd78b7ea2a0fc67a6ca1139386d82b6bc69cb5cfd22da4cef

General

Target

2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Size

3.6MB
MD5

2a01a18044a3f30b7a562ae7edf6e74c
SHA1

8ac8feaeff99676eda8d235c6045c3bb7c27cdd5
SHA256

22f52268bf5aae6bd78b7ea2a0fc67a6ca1139386d82b6bc69cb5cfd22da4cef
SHA512

36113a161bf4c14f31fb64c53618e47e29158c01a4d6b0bff5f8e7867cef83eebc19120fa8674ee471e6cee306780cf8cb0f41a5ce2066771076fea92b86e1ea
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQaAMEcaEau3R8yAH1plAHI:XDqPoBhz1aRxcSUDkp593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3245) 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

Processes:

tasksche.exe

pid process

2724 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

pid	process
2724	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CEEBF1F-2565-4A2C-82D1-C630D0E51D7F}	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CEEBF1F-2565-4A2C-82D1-C630D0E51D7F}\WpadDecisionTime = 505760c10da2da01	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0043000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CEEBF1F-2565-4A2C-82D1-C630D0E51D7F}\WpadDecisionReason = "1"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CEEBF1F-2565-4A2C-82D1-C630D0E51D7F}\WpadNetworkName = "Network 3"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CEEBF1F-2565-4A2C-82D1-C630D0E51D7F}\5e-6d-4b-d7-b9-1b	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-6d-4b-d7-b9-1b\WpadDecisionReason = "1"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-6d-4b-d7-b9-1b\WpadDecisionTime = 505760c10da2da01	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0CEEBF1F-2565-4A2C-82D1-C630D0E51D7F}\WpadDecision = "0"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-6d-4b-d7-b9-1b	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5e-6d-4b-d7-b9-1b\WpadDecision = "0"	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:2044

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2724

C:\Users\Admin\AppData\Local\Temp\2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\2a01a18044a3f30b7a562ae7edf6e74c_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1156

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
5650071a292761380d6f6f393833dd35

SHA1
5212bea9cfc888ecb110e34fc8a824e78922754b

SHA256
d53fc4c1ca61642646d683d0b4e716a4364bed510428c15e93854f344d2d28c8

SHA512
e31046e8fe42ff898bcee2d67a9b3fc77b9f8aa04c2a9c66722abe0badfee5ed514178912efe80f134d0058d99b25f8d3f5a9eaa55d0d500fdc4af110a23be56

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