wannacry | dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602

Analysis

max time kernel
165s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2022 06:46

Target

dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe
Size

3.6MB
MD5

9a0529ca32f9d746fae4d694fdb70e02
SHA1

93085ae0b273556d6fc86593d25657475ef216c3
SHA256

dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602
SHA512

b46e6c423bd730aae26ae529cc5d672dd8880a54b893e26eac0d9ec325592de370b59b7637cfba8c725379df8f31f56b5aec739a75003cf6a986947ace0b5ea5
SSDEEP

49152:2nAQbKUacBVQej/1IN076eFaHHfgYDTOcF+mtAhZLhQvub6ENHtZqgvuo:yDZfBhz1aqFanf5DTO1ZLhQv5ENHtZqK

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3142) 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

2644 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:

dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe

description ioc process

File created C:\WINDOWS\tasksche.exe dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe

pid	process
2644	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe

C:\Users\Admin\AppData\Local\Temp\dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe
"C:\Users\Admin\AppData\Local\Temp\dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe"
1⤵
- Drops file in Windows directory
PID:4872

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:2644

C:\Users\Admin\AppData\Local\Temp\dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe
C:\Users\Admin\AppData\Local\Temp\dd9e91e348f5b6df686649d36863922e50208e2e6a2c8dde5fead47ac1778602.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1232

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
5ba9a77f8212b09d214c8916ab9b9132

SHA1
b8ef11f88f1264b996f73a92e91a7ae1b41fd537

SHA256
55a8efc280e43aa66f88441178afa4347a198b53d634006d7d28f27e013a3592

SHA512
9768ec20ecde7d9200a6c6f22e3ee051351f747371914ac338e6fe4ed93e9a55c15d71e692cd7df46a13494700eac2138c9327c8a252653620b5aef5c8f20a36

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