wannacry | 4053226761886f7076044880b27adc4a441c1e05e041eb1eb66bad0b647367aa

General

Target

2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Size

5.0MB
MD5

0d004a9ca726fb42f31d5573b5ff79e3
SHA1

7b37d9d5bc4dc0b2c767c737cb757bc76ef2c058
SHA256

4053226761886f7076044880b27adc4a441c1e05e041eb1eb66bad0b647367aa
SHA512

4975b0836987eb196aca7c7f7b694592573cd8e36d365c204f409d599f6acba9971bf31d94572f84929f0f996bdc7131c74c6a1f25fbae2e077e3c35dc24cef8
SSDEEP

49152:QnpENbcBVQe01INRx+TSqTdX1HkQo6SAARdhnv:Qp+oBh01aRxcSUDk36SAEdhv

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3224) 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

2708 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
2708	tasksche.exe

Drops file in System32 directory 5 IoCs

Processes:

2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AIPV62LY.txt	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7BL6W9S6.txt	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\7BL6W9S6.txt	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Roaming\Microsoft\Windows\Cookies\AIPV62LY.txt	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe

Drops file in Windows directory 3 IoCs

Processes:

tasksche.exe2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe

description	ioc	process
File created	C:\Windows\eee.exe	tasksche.exe
File created	C:\WINDOWS\tasksche.exe	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
File created	C:\Windows\__tmp_rar_sfx_access_check_259433391	tasksche.exe

Modifies data under HKEY_USERS 24 IoCs

Processes:

2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AF2C4EC-6979-4381-93E3-330CCC4516E6}	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AF2C4EC-6979-4381-93E3-330CCC4516E6}\WpadDecisionTime = a07682edf2d1da01	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AF2C4EC-6979-4381-93E3-330CCC4516E6}\0a-10-21-5d-4d-05	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-10-21-5d-4d-05\WpadDecisionTime = a07682edf2d1da01	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AF2C4EC-6979-4381-93E3-330CCC4516E6}\WpadDecisionReason = "1"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AF2C4EC-6979-4381-93E3-330CCC4516E6}\WpadDecision = "0"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2AF2C4EC-6979-4381-93E3-330CCC4516E6}\WpadNetworkName = "Network 3"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-10-21-5d-4d-05\WpadDecision = "0"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f018b000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-10-21-5d-4d-05	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-10-21-5d-4d-05\WpadDecisionReason = "1"	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

tasksche.exe

pid process

2708 tasksche.exe

pid	process
2708	tasksche.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe

description	pid	process	target process
PID 2960 wrote to memory of 2708	2960	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe	tasksche.exe
PID 2960 wrote to memory of 2708	2960	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe	tasksche.exe
PID 2960 wrote to memory of 2708	2960	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe	tasksche.exe
PID 2960 wrote to memory of 2708	2960	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe	tasksche.exe
PID 2960 wrote to memory of 2708	2960	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe	tasksche.exe
PID 2960 wrote to memory of 2708	2960	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe	tasksche.exe
PID 2960 wrote to memory of 2708	2960	2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe	tasksche.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2960

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: GetForegroundWindowSpam
PID:2708

C:\Users\Admin\AppData\Local\Temp\2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-09_0d004a9ca726fb42f31d5573b5ff79e3_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:1668

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\WINDOWS\tasksche.exe

Filesize
2.0MB

MD5
90b4050408a6daf42b0fe666b2f1b41b

SHA1
8b2d64befe94ab1c692b3d9218764560bfd7ad05

SHA256
99a622faf7fa1f73c8c2df50589cfb917fdb093e7336675e8d2e51b449d3e7e9

SHA512
2f8113a333be1e4c57e99b223ad6f8d9609e97ae4be5a1f155714d3a65f0c0c6dc6e51a9f4bf3237492c751e9ff0f36fce391e0661c70781f234e618c993674b

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads