wannacry | 368c695cb09c663dcc2d5468fd79b6953ab1ad186bfabd870a7d32deec1ccd97

General

Target

2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Size

3.6MB
MD5

15d9b22afde8d87154010133ef1dcc7f
SHA1

902123ae73def9017c1e497d7c3ccf3046490dd4
SHA256

368c695cb09c663dcc2d5468fd79b6953ab1ad186bfabd870a7d32deec1ccd97
SHA512

5b22ec9e79fbdc95d553cd2095c4a2672039c1034f478c507d65c12a15c398ecaaf8ebb5d9f48959400fe09eeb574138cdfe098a98fb3656b04ddee666cc751c
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9K:XDqPoBhz1aRxcSUDk36SAEdhvxWa9K

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3304) 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
2564	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	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.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	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadDecision = "0"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadNetworkName = "Network 3"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-36-fc-6b-a4-df\WpadDecisionTime = f05bea530b6adb01	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadDecisionTime = f05bea530b6adb01	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-36-fc-6b-a4-df\WpadDecisionReason = "1"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00df000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\WpadDecisionReason = "1"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-36-fc-6b-a4-df\WpadDecision = "0"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2021416E-D7B1-41E2-B0D3-3AC4DF5679C9}\5a-36-fc-6b-a4-df	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\5a-36-fc-6b-a4-df	2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2528
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2564

C:\Users\Admin\AppData\Local\Temp\2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2025-01-19_15d9b22afde8d87154010133ef1dcc7f_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1592

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
cf3d9bdfb0759cb7139a25d596f3c9fc

SHA1
4ee7fc705e4e2ee75af9ccc77449874a6c0f5735

SHA256
f0a05bf34bfd89fa65a2274d2d8ace4d6b6d190b3e171da5ca48d6b6f3673640

SHA512
f950049683408b9fd74b364664d5e257943917c1d1013e2e7e9fdf53b5b1ad3e95d8f331d3a7f757ca7387b487b0bb72475a7757b573615c9d3d25647fc16119

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