wannacry | 8e1672053395a1b003b17b41952e3918e2e0d12030b66ca12768a87b82519033

General

Target

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Size

5.0MB
MD5

18b2c11158e471eed32ed6f966ad984d
SHA1

0bddb663e71e7e2d5b803058d0e5b0fae4a6182c
SHA256

8e1672053395a1b003b17b41952e3918e2e0d12030b66ca12768a87b82519033
SHA512

77b06a1705065a29c1cc945e87fb20b3b43fa78c3a69ef492e4436512fa22b5955bb248fbb4c5328f66a09c1c0a70c837b84f2e8af5026979a3acc94ef085a43
SSDEEP

12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7z:2bLgddQhfdmMSirYbcMNgef

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 (3310) 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

2140 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
2140	tasksche.exe

Drops file in System32 directory 1 IoCs

Processes:

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

Drops file in Windows directory 1 IoCs

Processes:

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-11-11_18b2c11158e471eed32ed6f966ad984d_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:

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecisionTime = 2029bf445634db01	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecisionTime = 2029bf445634db01	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecision = "0"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecisionReason = "1"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\9a-39-c3-47-a6-62	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00da000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadDecision = "0"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{EA52F7A5-609B-40A0-BF6D-D8216E5CA486}\WpadNetworkName = "Network 3"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-39-c3-47-a6-62\WpadDecisionReason = "1"	2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2128
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2140

C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-11_18b2c11158e471eed32ed6f966ad984d_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1020

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
bff7a3cbcd7c2450553cdc3647d366fa

SHA1
9c6fec1111ab160eadc71e9b92538319bf1c038a

SHA256
c4ee52f2ec9f934854b6b5ae8801d9fa45828881c98ded93c9d65fdc22ed6496

SHA512
e29254b3cc7840f6a75d445ca943a880f51d357e08ee0f4ed24bac90296d7a3e28bc876ae644e7851bdec83397fb195f1366fefff3b6dc015a73b2d5fb7a70f9

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads