wannacry | 9f9ad86b5522fbc4989c3a8147ad755f3d6ca7689fea82d730d71fcfce4b8270

Analysis

max time kernel
152s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04-10-2022 19:26

Target

7fe57d75b78ad5416b67427cb8df6426.exe
Size

3.6MB
MD5

7fe57d75b78ad5416b67427cb8df6426
SHA1

0a29283acc239c21352af85f7f26a1e1d441fbba
SHA256

9f9ad86b5522fbc4989c3a8147ad755f3d6ca7689fea82d730d71fcfce4b8270
SHA512

7a3523a03f41123c88570e4e89d20b6674952aff0c86f8f85208460786e509af624f12c95556b948007f5590de6640d52387bc04bd3c499344694c294c6cc340
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhMJM0H9PAMEc:XDqPoBhz1aRxcSUDk36SAEdhMWa9P5

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2960) 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

364 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:

7fe57d75b78ad5416b67427cb8df6426.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 7fe57d75b78ad5416b67427cb8df6426.exe

pid	process
364	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	7fe57d75b78ad5416b67427cb8df6426.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

7fe57d75b78ad5416b67427cb8df6426.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	7fe57d75b78ad5416b67427cb8df6426.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	7fe57d75b78ad5416b67427cb8df6426.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	7fe57d75b78ad5416b67427cb8df6426.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	7fe57d75b78ad5416b67427cb8df6426.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	7fe57d75b78ad5416b67427cb8df6426.exe

C:\Users\Admin\AppData\Local\Temp\7fe57d75b78ad5416b67427cb8df6426.exe
"C:\Users\Admin\AppData\Local\Temp\7fe57d75b78ad5416b67427cb8df6426.exe"
1⤵
- Drops file in Windows directory
PID:4924

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:364

C:\Users\Admin\AppData\Local\Temp\7fe57d75b78ad5416b67427cb8df6426.exe
C:\Users\Admin\AppData\Local\Temp\7fe57d75b78ad5416b67427cb8df6426.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:5024

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
f72bcd336a9ab0c6910a6363da85424a

SHA1
c76fed66f5421e980f7e08600d40f2009b961735

SHA256
41fde21cc7332c6fe2ea8af8d0ec8d640bbebfbf33e215c6da1d35fb6e6fea8e

SHA512
f84264d91253181e4ecb277b52decf6abacd0e581ec726896b84bb587ab9022d726e24e65de653c7ecc8d38e3c64691a17108c8e96e6c48a85b24e152a24e476

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