wannacry | aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216

General

Target

aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Size

5.0MB
MD5

c030180c2ed60f6dd3fabb0705ac6b5f
SHA1

d9449db8b19623345bebccb32b3d2a35baa70f8e
SHA256

aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216
SHA512

23abfc7628315052f597aa4659f621d5ff14c6a27eae2708461fd0725e921201078cf53ffc4e1638ce7a46e5b2fd9817216addff8d72e64eb4d2a986cce149ee
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQ:yDqPoBhz1aRxcSUDk

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3189) 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
2632	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	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.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	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-95-48-66-79-a5\WpadDecisionReason = "1"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-95-48-66-79-a5\WpadDecision = "0"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F96BC78A-B766-4F1F-A22B-BCD6A54DACD2}	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-95-48-66-79-a5	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\56-95-48-66-79-a5\WpadDecisionTime = b0dc60ab7cefda01	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F96BC78A-B766-4F1F-A22B-BCD6A54DACD2}\WpadDecisionTime = b0dc60ab7cefda01	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F96BC78A-B766-4F1F-A22B-BCD6A54DACD2}\WpadDecision = "0"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F96BC78A-B766-4F1F-A22B-BCD6A54DACD2}\WpadNetworkName = "Network 3"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0083000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F96BC78A-B766-4F1F-A22B-BCD6A54DACD2}\WpadDecisionReason = "1"	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{F96BC78A-B766-4F1F-A22B-BCD6A54DACD2}\56-95-48-66-79-a5	aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe

C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
"C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2452
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2632

C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe
C:\Users\Admin\AppData\Local\Temp\aa56378a03b9878f9da78eff7bc4447ee03edd80f11ff0174c95f94019f03216.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2732

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

Loading Replay Monitor...

Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
02f35a4e314a954b11405567d9efb0a6

SHA1
412ef7cacc33695ae8ae59074350efa48a491157

SHA256
c3642f3e8f163ef7aa384db8e84e42c16c022a550e77b6396818e3b62821e84d

SHA512
7dcd7bd220e6e9ec9d90124fa693630b11e9cc465679f36111b7a15714c8391e6699518cfc9474cf4d786d4db76cbe92b62370f91451cbdc9afb976e49363dfe

Download Submit

Analysis

Sharing