wannacry | 5222f88067bf868eba945523e736e282651263ffc9fad1a4ad85286d5a30c665

General

Target

f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Size

3.6MB
MD5

f82eee91f462cb6c6a8e4206f35b4980
SHA1

5753de30e7d424e0ff361abde587c95ecd93376a
SHA256

5222f88067bf868eba945523e736e282651263ffc9fad1a4ad85286d5a30c665
SHA512

2ef585d80ddebee37da1cc0cace9071058cb22a643c9e336f81cae22771638d60083deeb0a2f35de616ec9c59e109eef2e316e142a1b5d02876bb73d44eb5621
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQ14kF2hV5ws:2nAQqMSPbcBVQe2dKy

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3077) 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
2800	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	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	f82eee91f462cb6c6a8e4206f35b4980_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	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8AAAECE4-3713-4134-BA06-B16C938DA184}\WpadDecision = "0"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0117000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8AAAECE4-3713-4134-BA06-B16C938DA184}	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8AAAECE4-3713-4134-BA06-B16C938DA184}\WpadNetworkName = "Network 3"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-c7-8c-a5-5f-45	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-c7-8c-a5-5f-45\WpadDecisionReason = "1"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-c7-8c-a5-5f-45\WpadDecisionTime = 507dc2fbff0fdb01	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-c7-8c-a5-5f-45\WpadDecision = "0"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8AAAECE4-3713-4134-BA06-B16C938DA184}\WpadDecisionTime = 507dc2fbff0fdb01	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8AAAECE4-3713-4134-BA06-B16C938DA184}\32-c7-8c-a5-5f-45	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8AAAECE4-3713-4134-BA06-B16C938DA184}\WpadDecisionReason = "1"	f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1760
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2800

C:\Users\Admin\AppData\Local\Temp\f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\f82eee91f462cb6c6a8e4206f35b4980_JaffaCakes118.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2888

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
fe1121299925a56a96f5948a1e022a22

SHA1
957b79e01db8066af76e844cf3539ccefb06b361

SHA256
94a5b6ebe85b6b88450ff31c7d97c0834a857d9acea7bf7090f0eafe6dc17777

SHA512
e61f6763d73b7ea81c183814f659ec7ba9d52f9ec5d22b788eb63146d155850c8c9d94bae2cb99380b8a1cecfe4f55cc2084885132f9e552d05a6027375247c1

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Analysis

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