wannacry | 2f4f80450a9ec1db1800bb7b04922dcbb443dc7a755b2a10c796b038933204be

General

Target

2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Size

3.6MB
MD5

170e376e4fc6a0062db6b686d387c76f
SHA1

194d3e6bee7dbcc8a35072308cacb85383aaea0b
SHA256

2f4f80450a9ec1db1800bb7b04922dcbb443dc7a755b2a10c796b038933204be
SHA512

bb10648678d7e390b916f6662de22041fad7fdbf424ad377b4614bceb4c7dca21d304bbc18e2968320b91ed56684ffd821360cde5b717ce464a0871c1ade61b5
SSDEEP

98304:yD2PoBhz1aRxcSUDk36SAEdhvxWa9P53+GGI:yD2Pe1Cxcxk3ZAEUadxGI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3130) 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
2612	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	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.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	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E5F81007-D1B9-4D53-92AA-9196493F0336}\c2-a7-43-5a-8d-bd	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a7-43-5a-8d-bd\WpadDecisionTime = 40f780b6561cdb01	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a7-43-5a-8d-bd\WpadDecision = "0"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E5F81007-D1B9-4D53-92AA-9196493F0336}\WpadNetworkName = "Network 2"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E5F81007-D1B9-4D53-92AA-9196493F0336}\WpadDecisionTime = 40f780b6561cdb01	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E5F81007-D1B9-4D53-92AA-9196493F0336}	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E5F81007-D1B9-4D53-92AA-9196493F0336}\WpadDecision = "0"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00cc000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{E5F81007-D1B9-4D53-92AA-9196493F0336}\WpadDecisionReason = "1"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a7-43-5a-8d-bd	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\c2-a7-43-5a-8d-bd\WpadDecisionReason = "1"	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2940
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2612

C:\Users\Admin\AppData\Local\Temp\2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-12_170e376e4fc6a0062db6b686d387c76f_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2880

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
078c2aaebc93750c1837a2e4afc75963

SHA1
e42370dc0bb4123851b4dd14fa89b27494d0ffe2

SHA256
263bf86da743bc853610f51835634e966c1ea03e903bd9fefe8a8f16683571a4

SHA512
fe16107221288d040dcb18c4e3869278fc592ada3421cc9a0381744eba51c2263c79ee123f15655648a0784fa08733efc604fe8bbc8c87d3eb39db66c2630ae6

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Analysis

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