wannacry | 1bce73c12d4919ad9fb0e34d30935043bd23be8245ce035d4c9eed2c5c564d15

General

Target

2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Size

3.6MB
MD5

4d6bc0e6ced4880214d3e0f2a33aac57
SHA1

f4ecfce8ee96d5e4c0d06d6c7a057034d8208b56
SHA256

1bce73c12d4919ad9fb0e34d30935043bd23be8245ce035d4c9eed2c5c564d15
SHA512

fadfbf4dd44a66ed1157e4db0156afd7001132787931542331b28f6887419a490aa544dfcf930d69513a9368072f7b3cd087e0d917987d67e749365c9d1ee77f
SSDEEP

49152:2nAQqMSPbcBKvxJM0H9PAMEcaEau3R8yAH1plAHI:yDqPoBSxWa9P593R8yAVp2HI

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 (3152) 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

Processes:

tasksche.exe

pid process

2424 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

pid	process
2424	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_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

Processes:

2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A896396-1E4A-4A7D-8655-27496DC6857C}\WpadDecisionTime = 606e98c9682fdb01	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A896396-1E4A-4A7D-8655-27496DC6857C}\WpadNetworkName = "Network 3"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-78-8b-a9-08-d0\WpadDecision = "0"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A896396-1E4A-4A7D-8655-27496DC6857C}\WpadDecisionReason = "1"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-78-8b-a9-08-d0	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A896396-1E4A-4A7D-8655-27496DC6857C}\8e-78-8b-a9-08-d0	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-78-8b-a9-08-d0\WpadDecisionReason = "1"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A896396-1E4A-4A7D-8655-27496DC6857C}	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{0A896396-1E4A-4A7D-8655-27496DC6857C}\WpadDecision = "0"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8e-78-8b-a9-08-d0\WpadDecisionTime = 606e98c9682fdb01	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2380
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2424

C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-05_4d6bc0e6ced4880214d3e0f2a33aac57_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2328

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
9690157181b2643f53fcabfa11633aeb

SHA1
15e4de79dfcece9a78eb97ea1f5ec873a006c554

SHA256
881a723090a0682f70b920c24948698f319c20bf90e27e03a910a4f2048cdb2c

SHA512
7d1f10fcfb906841242e901ff52173d21ee1b8b8c8148d858a7d1f5520fb9f34eb105f1cc29a712cab0f1e98e7e22123d73d1962e97becc730de6b616be51487

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads