wannacry | f42df1e56b804b8727835e07c750af84fb4b5591361e606da186c3d7925abda7

General

Target

2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Size

3.6MB
MD5

12a739ac3c15a9f0be18b3dfe7027459
SHA1

07c2192a5162129210a483aaa6948a228ec023ac
SHA256

f42df1e56b804b8727835e07c750af84fb4b5591361e606da186c3d7925abda7
SHA512

7063a64a15ee80ef1e006e6c5ec495c1ecabe21b726d7ab2f6b2fc0f331d3cf9ef270667b0e71d51c308ebf874f54bdd8b1c69e30dbf67afb78c7b255014cd14
SSDEEP

98304:XWqPoBhz1aRxcSUDk36SAEdhvw593R8yAVp2HI:XWqPe1Cxcxk3ZAEEzR8yc4HI

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 (3269) 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
2696	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	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_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	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CA533EF-4B2F-471E-8186-029C7704BD66}	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CA533EF-4B2F-471E-8186-029C7704BD66}\WpadDecisionReason = "1"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CA533EF-4B2F-471E-8186-029C7704BD66}\WpadDecisionTime = 70d7335c104fdb01	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CA533EF-4B2F-471E-8186-029C7704BD66}\2e-5f-f5-8d-51-a9	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2e-5f-f5-8d-51-a9	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CA533EF-4B2F-471E-8186-029C7704BD66}\WpadDecision = "0"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2CA533EF-4B2F-471E-8186-029C7704BD66}\WpadNetworkName = "Network 3"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2e-5f-f5-8d-51-a9\WpadDecision = "0"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2e-5f-f5-8d-51-a9\WpadDecisionReason = "1"	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\2e-5f-f5-8d-51-a9\WpadDecisionTime = 70d7335c104fdb01	2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2736
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2696

C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-12-15_12a739ac3c15a9f0be18b3dfe7027459_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2052

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
7620835d6b4fec146f65dd80fa3ff852

SHA1
39f79cfc25dcc4967132fad035b1fae2d8dc8c75

SHA256
039e7fcede51032f8060d7206b9ecb1aefd2b23a3880f0510f7f06985e813f15

SHA512
964c7b5bf179d47330ad903fa6cdeb8fda8b9c95b3560dd3bf52d529d1743aa38271880a38a6dae14fa2bcaa5fc2f3e94e0c5351d047a0c65227c6b69cbee1e6

Download Submit

Analysis

Sharing