wannacry | dd0cc7698b442b36dd7635d84c3da3c22c822fbd57fa1fd7bf40b365d53b928c

General

Target

2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Size

5.0MB
MD5

09908246258489a30d48b5df4fc850f9
SHA1

1c491b03485d383e6064162c34b9a736b2da7fde
SHA256

dd0cc7698b442b36dd7635d84c3da3c22c822fbd57fa1fd7bf40b365d53b928c
SHA512

f3e87ed6bb8252e0ddf819bf7320c9eb980053703bfc32525eb7e4271fa70ce7030833781b5d6211724ce7bdebb758d87d5836ff0b8a511c1e3e5389ddb39421
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAUvxWa9PpAVp2:XDqPe1Cxcxk3ZAnadpc4

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 (3338) 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
2880	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	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-11-18_09908246258489a30d48b5df4fc850f9_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	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{715F202D-5FE4-4B75-A921-97A06B72025A}	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{715F202D-5FE4-4B75-A921-97A06B72025A}\WpadDecisionTime = 6072691fac39db01	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-59-fe-09-47-32	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{715F202D-5FE4-4B75-A921-97A06B72025A}\fe-59-fe-09-47-32	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{715F202D-5FE4-4B75-A921-97A06B72025A}\WpadNetworkName = "Network 3"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-59-fe-09-47-32\WpadDecisionReason = "1"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-59-fe-09-47-32\WpadDecisionTime = 6072691fac39db01	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\fe-59-fe-09-47-32\WpadDecision = "0"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{715F202D-5FE4-4B75-A921-97A06B72025A}\WpadDecision = "0"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f008a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{715F202D-5FE4-4B75-A921-97A06B72025A}\WpadDecisionReason = "1"	2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:3044
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2880

C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-18_09908246258489a30d48b5df4fc850f9_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2200

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
9e81f85767014a690a8de5a1259d0463

SHA1
434d11937c978e2946569546f3befb65e950b911

SHA256
81ed2eb461163e378728ceedbf370c09cb62a2024f375b073413406d4da2eaa2

SHA512
364e540e9edfb743f2c490962af67f527b79e4b7c2b2e5ad6ce448592545a20f0e7727d094867e671c5aba38af27e5f0ce7b51bf2cb50d391703ce37e3a36fd8

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