wannacry | 41b15430e63b370bb6c2b04b28ac2a9caa27592505f0955078a17f56228bbbbc

Analysis

max time kernel
152s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2024 19:43

Target

8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe
Size

3.6MB
MD5

8f3411b1efc444e647c8469df9b18f57
SHA1

d40af4c42356416317b8ce15e1973de635e6ecf3
SHA256

41b15430e63b370bb6c2b04b28ac2a9caa27592505f0955078a17f56228bbbbc
SHA512

42742d6c711d7672e945634cec113bafa64c0644036b1975f981451714cc3b70d1f2c20123b83f8b7ac3d11f30e5d7d6cc2d9f91b1969ffb54303cb7a091637b
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SACdhvxWa9P593R8yAVp2HI:yDqPe1Cxcxk3ZACUadzR8yc4HI

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3198) 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

1756 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:

8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe

pid	process
1756	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:3232

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1756

C:\Users\Admin\AppData\Local\Temp\8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8f3411b1efc444e647c8469df9b18f57_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4636

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 --mojo-platform-channel-handle=3804 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:3700

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
036d55dd4d8a4c8328a567afe6e86a3e

SHA1
23d5f5441fc4628c532af8147a8d873a8fbd25c4

SHA256
5eb9b2bb8725ed5a2507df57a0bccb399af3b9e36f4d2d4e61795cac30e3eb0e

SHA512
78e8ecc561cc90ac182445666f145ac3c76a08665c5fc1610940b54e51430594767ceb0e6a140a64e861477ac2771621c080f16cc225c67918348fa91cf73392

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