wannacry | af116c6a6bbda54c5e488e6530829e1d6f61ed0e71aa0b424f0ab42e52f4cd74

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2022 19:35

Target

3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Size

3.6MB
MD5

3fcb1d7200eda4dcdf2178c9c78e4f5d
SHA1

22daa8b47db8c5436be7acc7dda675e724d6c1e5
SHA256

af116c6a6bbda54c5e488e6530829e1d6f61ed0e71aa0b424f0ab42e52f4cd74
SHA512

23f534d3efc849c40aef28ca747904838e506c9ef584f98a28e5c536d79b091b9354434f844facf5471777dc5c4531e32aa4f529a41177fb6a85f27be1df7bc0
SSDEEP

24576:2bLgddQhfdmMSirYbcMNgef0QeQjG/D8kIqRYDLAE6fm8f5Qjn0kQm3yJJkzswor:2nAQqMSPbcBVQej/1gLAEHTnQJJzw

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2109) 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

1864 tasksche.exe
Drops file in Windows directory 1 IoCs

Processes:

3fcb1d7200eda4dcdf2178c9c78e4f5d.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 3fcb1d7200eda4dcdf2178c9c78e4f5d.exe

pid	process
1864	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	3fcb1d7200eda4dcdf2178c9c78e4f5d.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

3fcb1d7200eda4dcdf2178c9c78e4f5d.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	3fcb1d7200eda4dcdf2178c9c78e4f5d.exe

C:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
"C:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exe"
1⤵
- Drops file in Windows directory
PID:1248

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1864

C:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exe
C:\Users\Admin\AppData\Local\Temp\3fcb1d7200eda4dcdf2178c9c78e4f5d.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3424

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
60c5e86d01b51438713c110bfb8b05ad

SHA1
818b0d2daed96962b5857c9a856b2494743fba4e

SHA256
a8b6ae1583b3eb7a96782358f2f819aab77484fc232aea4bb698e5397c2fbf77

SHA512
23c033aa48cd0c90038b3e912f2b4228e3d0fc74b89d623b84f03e4dfee580185b24d5cc5346269ffbb100a413faa0486e28e88a4ae23a0ccd7100305d16efd9

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