wannacry | 74e59e259f327ebc2e616d449acfb97fbb43823dd368df95b12c5d23cd0c1e46

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-09-2022 16:43

Target

3259b250e93b5050a27a6de5a92c2ce0.exe
Size

3.6MB
MD5

3259b250e93b5050a27a6de5a92c2ce0
SHA1

a010bfdecd5bf99ab7e45fdd15b5d2937233e01f
SHA256

74e59e259f327ebc2e616d449acfb97fbb43823dd368df95b12c5d23cd0c1e46
SHA512

fb25b6ba459935ccda8772b4beaf47d0d016676d5fd210dc344e2ae20c7f573b9a374e7279d1ba358d30f85f1fa9728b3708369b6bdfe3efd764c6f38beb15f4
SSDEEP

49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAA1PAMEc:yDqPoBhz1aRxcSUDk36SAgP5

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3260) 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

2544 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:

3259b250e93b5050a27a6de5a92c2ce0.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 3259b250e93b5050a27a6de5a92c2ce0.exe

pid	process
2544	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	3259b250e93b5050a27a6de5a92c2ce0.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

3259b250e93b5050a27a6de5a92c2ce0.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	3259b250e93b5050a27a6de5a92c2ce0.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	3259b250e93b5050a27a6de5a92c2ce0.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	3259b250e93b5050a27a6de5a92c2ce0.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	3259b250e93b5050a27a6de5a92c2ce0.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	3259b250e93b5050a27a6de5a92c2ce0.exe

C:\Users\Admin\AppData\Local\Temp\3259b250e93b5050a27a6de5a92c2ce0.exe
"C:\Users\Admin\AppData\Local\Temp\3259b250e93b5050a27a6de5a92c2ce0.exe"
1⤵
- Drops file in Windows directory
PID:1700

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2544

C:\Users\Admin\AppData\Local\Temp\3259b250e93b5050a27a6de5a92c2ce0.exe
C:\Users\Admin\AppData\Local\Temp\3259b250e93b5050a27a6de5a92c2ce0.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1116

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
05873a57dd67c3a3ef195508f727eb72

SHA1
5bfb52f23c9e30eb11c7d058f747240a41cc131f

SHA256
1dd54f3158608cad43e3584fc0706b0c42f7e5b10349365047a89bb1c12c0c54

SHA512
35cba64e4f7659c55290aa0c1ca2c11ac2b4310b4b58c26d154b68cdd684e0a5a9ddcf6d21ec7b2213838a1de1600193858989dffcf3944643a4d27930b2eaef

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