wannacry | 4d18ff23becdcefa20040b34ae15412e70ea1a9e8fe7155c086bf5f6ddd52833

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15-06-2024 00:30

Target

2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe
Size

3.6MB
MD5

510a0230994db18965a6c47903e8099f
SHA1

a204ec07aade6498c9a37f59d17f1fff2cc358be
SHA256

4d18ff23becdcefa20040b34ae15412e70ea1a9e8fe7155c086bf5f6ddd52833
SHA512

6c3e97c0a627a585717424e623dd61a6cb025330fe31706ad737ac66fec2f3607ee2709a6ae7faec67c8b14253fa7c588850519f8db38d2c3471d2fb167bd497
SSDEEP

49152:wnAQqMSPbcTeZezw2uvUKOQ77JU+3qrNei6Om3MOurnjRDyQnh++LzdH:wDqPoUiOU+3az6Om3MOujtDZnhf/B

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2686) 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

3228 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_510a0230994db18965a6c47903e8099f_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe

pid	process
3228	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:3572

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:3228

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 --no-appcompat-clear --field-trial-handle=1424,i,6576818814118437872,11004518367271063231,262144 --variations-seed-version --mojo-platform-channel-handle=3916 /prefetch:8
1⤵
PID:2612

C:\Users\Admin\AppData\Local\Temp\2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-06-15_510a0230994db18965a6c47903e8099f_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4960

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
468d1f5e0b048c16fd6d5364add58640

SHA1
0a5fe78eb844bc4657eee09ab07351ac9b2f39fa

SHA256
c8c2131e1d22bff3ef6342254a43d658a3c5fc8081c4ffb7d9b0ced78b7892f1

SHA512
20b03954abf9b5b181f849ea7435b26aeeed35e21c02f768ee15215104e3e163152116b335662136adfb3d76600e9d03c33dafc42145263bdd289f467506213c

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