wannacry | c7a80ee28fd55ed45ccafeb34d5e3922016d5e3a8a6abd5cdf40f65968719cdf

General

Target

b887463c269ff3eefc056cf97c86c14c.exe
Size

3.6MB
MD5

b887463c269ff3eefc056cf97c86c14c
SHA1

0420b2b9b16639203db74479eb50ba4a62fe97e9
SHA256

c7a80ee28fd55ed45ccafeb34d5e3922016d5e3a8a6abd5cdf40f65968719cdf
SHA512

1517ea2a8ad21ed2b7298677741ce84a3b7b3073f1bcb0a5cdd125089f118cc9fcdf51ad9f0f3d64f0372f7f1930e76cbafaa064f09fa0d07a6ded03bc4965cb
SSDEEP

49152:4naMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM:oaPoBhz1aRxcSUDk36SAEdhvxW

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1203) 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:

b887463c269ff3eefc056cf97c86c14c.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	b887463c269ff3eefc056cf97c86c14c.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\64BTZ66N.txt	b887463c269ff3eefc056cf97c86c14c.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\64BTZ66N.txt	b887463c269ff3eefc056cf97c86c14c.exe

Drops file in Windows directory 1 IoCs

Processes:

b887463c269ff3eefc056cf97c86c14c.exe

description ioc process

File created C:\WINDOWS\tasksche.exe b887463c269ff3eefc056cf97c86c14c.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	b887463c269ff3eefc056cf97c86c14c.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

b887463c269ff3eefc056cf97c86c14c.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C0DAF255-CCBA-43AF-8385-67065F31E3C8}\26-2a-95-5c-c4-06	b887463c269ff3eefc056cf97c86c14c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-2a-95-5c-c4-06\WpadDecision = "0"	b887463c269ff3eefc056cf97c86c14c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	b887463c269ff3eefc056cf97c86c14c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	b887463c269ff3eefc056cf97c86c14c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	b887463c269ff3eefc056cf97c86c14c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	b887463c269ff3eefc056cf97c86c14c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f000a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	b887463c269ff3eefc056cf97c86c14c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	b887463c269ff3eefc056cf97c86c14c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C0DAF255-CCBA-43AF-8385-67065F31E3C8}	b887463c269ff3eefc056cf97c86c14c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C0DAF255-CCBA-43AF-8385-67065F31E3C8}\WpadDecision = "0"	b887463c269ff3eefc056cf97c86c14c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-2a-95-5c-c4-06\WpadDecisionReason = "1"	b887463c269ff3eefc056cf97c86c14c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-2a-95-5c-c4-06\WpadDecisionTime = 00b59a9923cdd801	b887463c269ff3eefc056cf97c86c14c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	b887463c269ff3eefc056cf97c86c14c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	b887463c269ff3eefc056cf97c86c14c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	b887463c269ff3eefc056cf97c86c14c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	b887463c269ff3eefc056cf97c86c14c.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\26-2a-95-5c-c4-06	b887463c269ff3eefc056cf97c86c14c.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C0DAF255-CCBA-43AF-8385-67065F31E3C8}\WpadDecisionTime = 00b59a9923cdd801	b887463c269ff3eefc056cf97c86c14c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C0DAF255-CCBA-43AF-8385-67065F31E3C8}\WpadNetworkName = "Network 2"	b887463c269ff3eefc056cf97c86c14c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	b887463c269ff3eefc056cf97c86c14c.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	b887463c269ff3eefc056cf97c86c14c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	b887463c269ff3eefc056cf97c86c14c.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	b887463c269ff3eefc056cf97c86c14c.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{C0DAF255-CCBA-43AF-8385-67065F31E3C8}\WpadDecisionReason = "1"	b887463c269ff3eefc056cf97c86c14c.exe

C:\Users\Admin\AppData\Local\Temp\b887463c269ff3eefc056cf97c86c14c.exe
"C:\Users\Admin\AppData\Local\Temp\b887463c269ff3eefc056cf97c86c14c.exe"
1⤵
- Drops file in Windows directory
PID:1764

C:\Users\Admin\AppData\Local\Temp\b887463c269ff3eefc056cf97c86c14c.exe
C:\Users\Admin\AppData\Local\Temp\b887463c269ff3eefc056cf97c86c14c.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1200

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/1764-54-0x0000000075BA1000-0x0000000075BA3000-memory.dmp

Filesize
8KB

Download

Analysis

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