wannacry | c966710705623dd26f151c5b9dbd9942778b48ebffc1b2b55aa1034c6b49b11d

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 12:34

Target

2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Size

3.6MB
MD5

b4ba742efae7adf641024e71a9c88cc1
SHA1

077289f3d105e7b91cc999dea28a2b750c483910
SHA256

c966710705623dd26f151c5b9dbd9942778b48ebffc1b2b55aa1034c6b49b11d
SHA512

90a629d660ef1068bec9b6862a6557a38e36b8c9724cdf4c201f3ec3bf83dec3ae36b7556155a328d04983cee2b6631cf7cfd46f8dbd72fba8a4c86bb98320d6
SSDEEP

49152:2nAQqMSPbcBVQejwc3w+L/taKuykGpm+lj:yDqPoBhE5+x

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3338) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046
Executes dropped EXE 1 IoCs

Processes:

tasksche.exe

pid process

4300 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 Discovery
T1046
Drops file in Windows directory 1 IoCs

Processes:

2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

pid	process
4300	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2004

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4300

C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-15_b4ba742efae7adf641024e71a9c88cc1_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4940

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4084,i,2113996974559895641,18156918660790954073,262144 --variations-seed-version --mojo-platform-channel-handle=4176 /prefetch:8
1⤵
PID:4584

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

C:\Windows\tasksche.exe
Filesize
3.4MB

MD5
fcd1b6289b34b28fb79f5d884109fd2e

SHA1
a69f8fe21850ba04fbeb04ec372db2dec9d9acee

SHA256
9a083e5519727263c1ea8b22962649e97bd77e5d21f2827a5ca7d950beb8bdf7

SHA512
7a9de29e408ed7f0f99b07b576409ecd36e5e10c7ff6fbed90c681017978aeb2eb8be1d18fb8ee0a892618af0c4af295f0b85dd171f7086e6f21cd43db91022a

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