wannacry | c81d368bfdb47c4f9f48ee4617c506dbf56a3a1b6806bad8f4ef353bcf863cc5

General

Target

ca9a7b4335e93fcd9c860cbd66d7c296.exe
Size

5.0MB
MD5

ca9a7b4335e93fcd9c860cbd66d7c296
SHA1

87d4fd830bf34628dd5d6eae34f5fdfa75f05cb7
SHA256

c81d368bfdb47c4f9f48ee4617c506dbf56a3a1b6806bad8f4ef353bcf863cc5
SHA512

b8e111d4454e544e6f195285259818faa9595c32c6670c952191a102c21dfd08970dd11290f624cdbf354942a272592de9ff2a75c0e74b854189967457627433
SSDEEP

24576:QbLgurgDdmMSirYbcMNgef0QeQjG/D8kIqRYoAdNLKz6626M+vbOSSqTPVXmiHkO:QnsEMSPbcBVQej/1INRx+TSqTdX1HkQ

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1290) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Drops file in System32 directory 3 IoCs

Processes:

ca9a7b4335e93fcd9c860cbd66d7c296.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	ca9a7b4335e93fcd9c860cbd66d7c296.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5KGCT616.txt	ca9a7b4335e93fcd9c860cbd66d7c296.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\5KGCT616.txt	ca9a7b4335e93fcd9c860cbd66d7c296.exe

Drops file in Windows directory 1 IoCs

Processes:

ca9a7b4335e93fcd9c860cbd66d7c296.exe

description ioc process

File created C:\WINDOWS\tasksche.exe ca9a7b4335e93fcd9c860cbd66d7c296.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	ca9a7b4335e93fcd9c860cbd66d7c296.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

ca9a7b4335e93fcd9c860cbd66d7c296.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2EBA103B-BAAE-4B5E-B5D5-D1E1A200D1A6}\WpadDecision = "0"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2EBA103B-BAAE-4B5E-B5D5-D1E1A200D1A6}\WpadNetworkName = "Network 2"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-22-c8-ba-02-f9\WpadDecisionTime = d05c928612cdd801	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2EBA103B-BAAE-4B5E-B5D5-D1E1A200D1A6}	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2EBA103B-BAAE-4B5E-B5D5-D1E1A200D1A6}\8a-22-c8-ba-02-f9	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-22-c8-ba-02-f9\WpadDecision = "0"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f001c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2EBA103B-BAAE-4B5E-B5D5-D1E1A200D1A6}\WpadDecisionReason = "1"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2EBA103B-BAAE-4B5E-B5D5-D1E1A200D1A6}\WpadDecisionTime = d05c928612cdd801	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-22-c8-ba-02-f9	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-22-c8-ba-02-f9\WpadDecisionReason = "1"	ca9a7b4335e93fcd9c860cbd66d7c296.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	ca9a7b4335e93fcd9c860cbd66d7c296.exe

C:\Users\Admin\AppData\Local\Temp\ca9a7b4335e93fcd9c860cbd66d7c296.exe
"C:\Users\Admin\AppData\Local\Temp\ca9a7b4335e93fcd9c860cbd66d7c296.exe"
1⤵
- Drops file in Windows directory
PID:1264

C:\Users\Admin\AppData\Local\Temp\ca9a7b4335e93fcd9c860cbd66d7c296.exe
C:\Users\Admin\AppData\Local\Temp\ca9a7b4335e93fcd9c860cbd66d7c296.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

1

T1046

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1264-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing