wannacry | a651d6ef33fac753cd65b088cd33c6be78f8e12db977bd257634cead19131f6f

General

Target

8f6c2059cf5957exeexeexeex.exe
Size

3.6MB
MD5

8f6c2059cf5957bb40360e6731141eef
SHA1

ca23edd9afc15bb0c6b3eb863455b5979797d64d
SHA256

a651d6ef33fac753cd65b088cd33c6be78f8e12db977bd257634cead19131f6f
SHA512

be6df2aae64fe565c073f34fccf36c6ea72c99549c4d815d55c62e950860833a0d393df9e76ea405c4cd14251ff30372ac6a1da45e344df53edef6467eb1b9cd
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8y:XDqPe1Cxcxk3ZAEUadzR8y

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (1478) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Executes dropped EXE 1 IoCs

pid	Process
2756	tasksche.exe

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	8f6c2059cf5957exeexeexeex.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	8f6c2059cf5957exeexeexeex.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	8f6c2059cf5957exeexeexeex.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	8f6c2059cf5957exeexeexeex.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	8f6c2059cf5957exeexeexeex.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	8f6c2059cf5957exeexeexeex.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CF9BCD5-E970-4041-9219-1CA65FEC67AE}\WpadDecisionReason = "1"	8f6c2059cf5957exeexeexeex.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	8f6c2059cf5957exeexeexeex.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	8f6c2059cf5957exeexeexeex.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	8f6c2059cf5957exeexeexeex.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	8f6c2059cf5957exeexeexeex.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CF9BCD5-E970-4041-9219-1CA65FEC67AE}	8f6c2059cf5957exeexeexeex.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CF9BCD5-E970-4041-9219-1CA65FEC67AE}\WpadDecisionTime = 2012a6be76b2d901	8f6c2059cf5957exeexeexeex.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CF9BCD5-E970-4041-9219-1CA65FEC67AE}\8a-c9-a0-2b-f1-e7	8f6c2059cf5957exeexeexeex.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-c9-a0-2b-f1-e7\WpadDecisionReason = "1"	8f6c2059cf5957exeexeexeex.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	8f6c2059cf5957exeexeexeex.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	8f6c2059cf5957exeexeexeex.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	8f6c2059cf5957exeexeexeex.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	8f6c2059cf5957exeexeexeex.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	8f6c2059cf5957exeexeexeex.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CF9BCD5-E970-4041-9219-1CA65FEC67AE}\WpadDecision = "0"	8f6c2059cf5957exeexeexeex.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-c9-a0-2b-f1-e7	8f6c2059cf5957exeexeexeex.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-c9-a0-2b-f1-e7\WpadDecisionTime = 2012a6be76b2d901	8f6c2059cf5957exeexeexeex.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-c9-a0-2b-f1-e7\WpadDecision = "0"	8f6c2059cf5957exeexeexeex.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0066000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	8f6c2059cf5957exeexeexeex.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{8CF9BCD5-E970-4041-9219-1CA65FEC67AE}\WpadNetworkName = "Network 3"	8f6c2059cf5957exeexeexeex.exe

C:\Users\Admin\AppData\Local\Temp\8f6c2059cf5957exeexeexeex.exe
"C:\Users\Admin\AppData\Local\Temp\8f6c2059cf5957exeexeexeex.exe"
1⤵
- Drops file in Windows directory
PID:3040
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2756

C:\Users\Admin\AppData\Local\Temp\8f6c2059cf5957exeexeexeex.exe
C:\Users\Admin\AppData\Local\Temp\8f6c2059cf5957exeexeexeex.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:2892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

1

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
f0d46641cb2ce784834647247a0fddc6

SHA1
24439b322dac441a252356df1bed552469a376ea

SHA256
ce4547b73eee357af32965aafa75e71cdb5f912329573ea093f8e4becd1e17b4

SHA512
bc0a44710603e4eea19e0611c8cb4cb74865fa4d1b7f035c5a21d0e64fe361e5140172fe135bb4f8c3833f29042648e8c8f93caafdc496d6d4a2c1d8a102deb0

Download Submit

Analysis

Sharing