wannacry | 2b1c37c88951b7543ba52cc6351ab9509e939c6e38d927df3c342ad6f6158a59

Analysis

max time kernel
155s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 21:32

Target

8fd65b6b72a95cca4fd7c6cb235e5717.exe
Size

3.6MB
MD5

8fd65b6b72a95cca4fd7c6cb235e5717
SHA1

2c71773fbcc3f0a1b6c3ab4f95ae637f6f2f2aad
SHA256

2b1c37c88951b7543ba52cc6351ab9509e939c6e38d927df3c342ad6f6158a59
SHA512

40ddbb67f02556321c229682e0d5aaccab396fed20d9f977b2f93d4b7d70ce43485439f816e3bb7d00a5af521b3ce07df3ecc73b7860ca6824289fd918343928
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3163) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

116 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 Scanning
T1046
Drops file in Windows directory 1 IoCs

Processes:

8fd65b6b72a95cca4fd7c6cb235e5717.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 8fd65b6b72a95cca4fd7c6cb235e5717.exe

pid	process
116	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	8fd65b6b72a95cca4fd7c6cb235e5717.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

8fd65b6b72a95cca4fd7c6cb235e5717.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	8fd65b6b72a95cca4fd7c6cb235e5717.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	8fd65b6b72a95cca4fd7c6cb235e5717.exe

C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe
"C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe"
1⤵
- Drops file in Windows directory
PID:1836

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:116

C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe
C:\Users\Admin\AppData\Local\Temp\8fd65b6b72a95cca4fd7c6cb235e5717.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3100

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
f256e46a05c53e0605a0512d76a4d121

SHA1
51d7288eb9a4f7d15a0e87a95d1586756d7ed738

SHA256
51d2b7d2e231300ee9bf6a2756fe8dadad287a36edca1f413a8cc1dfaff821f2

SHA512
56f4b9755cc0865161368e92af921c462e7dfd12dfd770e60f19699392e488358e440998b1096359521ba9404c984fe8ce8aec41ac28b729791b78ff3b731049

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