wannacry | 78bbe4a65e13a06df5ae05c158aeec7c0ed7883a62261a25c63673c600047d4c

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
08-09-2022 19:35

Target

f12b69c504464cc5443eb5ced38b690b.exe
Size

3.6MB
MD5

f12b69c504464cc5443eb5ced38b690b
SHA1

40d08fe240c6dca35bab10eb630397919a9b5a88
SHA256

78bbe4a65e13a06df5ae05c158aeec7c0ed7883a62261a25c63673c600047d4c
SHA512

be9e2fa92d379baa6cb92dd064ffd1c6c3ce360f75adcbe205aebb2c112d14b88da834d94b21bc2007aecff12d2eb04f378d80eb21be4563093121702ec70c5c
SSDEEP

98304:XDqPoBhz1aRxcSUDk36SAEdhv8P593R8yAVp2HI:XDqPe1Cxcxk3ZAEyzR8yc4HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3238) 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

2116 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:

f12b69c504464cc5443eb5ced38b690b.exe

description ioc process

File created C:\WINDOWS\tasksche.exe f12b69c504464cc5443eb5ced38b690b.exe

pid	process
2116	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	f12b69c504464cc5443eb5ced38b690b.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

f12b69c504464cc5443eb5ced38b690b.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	f12b69c504464cc5443eb5ced38b690b.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	f12b69c504464cc5443eb5ced38b690b.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	f12b69c504464cc5443eb5ced38b690b.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	f12b69c504464cc5443eb5ced38b690b.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	f12b69c504464cc5443eb5ced38b690b.exe

C:\Users\Admin\AppData\Local\Temp\f12b69c504464cc5443eb5ced38b690b.exe
"C:\Users\Admin\AppData\Local\Temp\f12b69c504464cc5443eb5ced38b690b.exe"
1⤵
- Drops file in Windows directory
PID:2936

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2116

C:\Users\Admin\AppData\Local\Temp\f12b69c504464cc5443eb5ced38b690b.exe
C:\Users\Admin\AppData\Local\Temp\f12b69c504464cc5443eb5ced38b690b.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4260

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
71cb28d82d822b74b5dabe0e7d08fb04

SHA1
d9eb8751973dfb933c2c481e2205a47970e3f461

SHA256
3e4b13d1d3ac51041a7e8301c55f421545265d013fa9b0b6aa1aecf736fff735

SHA512
23a196afad2996e7fe6fb3305637fee476fff312f7554aefca3c098922fb3c44d9568a8d49c4d821fb81e95acc75debafd2f37b6208034a4497016afc2bb0210

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