wannacry | e909911c4be68e1684cbddd9ed59622a148d69d8c0bd209c51bb6472f64ced3f

General

Target

72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Size

3.6MB
MD5

72383460b7051da3eea9e7b4dc78908b
SHA1

0733b12641f945872ff9889b589ef5010d6e1cc4
SHA256

e909911c4be68e1684cbddd9ed59622a148d69d8c0bd209c51bb6472f64ced3f
SHA512

84e6cdf449ef4a8aee495a206f8f9d7658b31f6da4b72b50a057c45193c0197eae34929082146fd73b5a2fb08971d9e418609232a73a27b3d99fff9aef04a22b
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA:yDqPoBhz1aRxcSUDk36SA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3216) 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

2596 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
2596	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6A9205D-C78B-482E-99A7-46CD2733068C}\WpadDecisionTime = 30cb0dccb3aeda01	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6A9205D-C78B-482E-99A7-46CD2733068C}\WpadDecision = "0"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-24-79-be-18-c1\WpadDecisionReason = "1"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6A9205D-C78B-482E-99A7-46CD2733068C}\WpadDecisionReason = "1"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6A9205D-C78B-482E-99A7-46CD2733068C}\6e-24-79-be-18-c1	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-24-79-be-18-c1\WpadDecisionTime = 30cb0dccb3aeda01	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6A9205D-C78B-482E-99A7-46CD2733068C}	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-24-79-be-18-c1	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-24-79-be-18-c1\WpadDecision = "0"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ec000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B6A9205D-C78B-482E-99A7-46CD2733068C}\WpadNetworkName = "Network 3"	72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:2852

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2596

C:\Users\Admin\AppData\Local\Temp\72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\72383460b7051da3eea9e7b4dc78908b_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1760

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
0e862fd384caa05d55d569357a54f750

SHA1
60c1869e5086882e7ac5c81e05708aed9af5aa37

SHA256
fe667c4e4f6e32748d3c516a42b5ecb9f26d04f755a66797930458566d365a45

SHA512
b9c96076acdfaf7b204902141f7f66b0c92d5be37f4a67b5b84471b94548f7ad95a20a5e7b2987d44b8dd9c2a609d674e26f7779378aec9333115171e46454e8

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