wannacry | 6cecf1c41be6009136c66398fb446ae287b91f4ef3bdd2d8f88dd151cb97b515

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
06-09-2022 21:34

Target

84099c2e3f641d8722d18d2b555948fe.exe
Size

3.6MB
MD5

84099c2e3f641d8722d18d2b555948fe
SHA1

846aa657b643666ab2843183b8fb60b4468b0e52
SHA256

6cecf1c41be6009136c66398fb446ae287b91f4ef3bdd2d8f88dd151cb97b515
SHA512

02a3491705f27551b40a6b4ebf08f460198024fd0844aff9c06e8a43bb632f075946b896131419e8079274e2bdadc8dc3b3c9c9e8df80191f8cc7271f424abca
SSDEEP

49152:2nAQqMSPbcBVFAMEcaEau3R8yAH1plAHI:yDqPoBP593R8yAVp2HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3222) 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

4716 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:

84099c2e3f641d8722d18d2b555948fe.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 84099c2e3f641d8722d18d2b555948fe.exe

pid	process
4716	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	84099c2e3f641d8722d18d2b555948fe.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

84099c2e3f641d8722d18d2b555948fe.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	84099c2e3f641d8722d18d2b555948fe.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	84099c2e3f641d8722d18d2b555948fe.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	84099c2e3f641d8722d18d2b555948fe.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	84099c2e3f641d8722d18d2b555948fe.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	84099c2e3f641d8722d18d2b555948fe.exe

C:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exe
"C:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exe"
1⤵
- Drops file in Windows directory
PID:4224

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4716

C:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exe
C:\Users\Admin\AppData\Local\Temp\84099c2e3f641d8722d18d2b555948fe.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4368

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
52eb8688bbfb129b524ae82ae9fc17ed

SHA1
caf14da7c532d1f18abda03a07f2caacb829f9f1

SHA256
dc944d7b8ef7e5c6d62300bc33e3157ebd4343bbec7bb01f162583025ea585ae

SHA512
2e05f3f996a6f25e9af9fc7f978760c8c1129c10811d7fe866ad0dc6bf27c58780ea32c58772522b3d126ff557935d8a6efb48686656114d53926e28ac4e96f7

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