wannacry | 9412e2db885e27ad8a746a1d78b2584dfdace249736db136f94f1106bb136341

Analysis

max time kernel
152s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04-05-2024 09:31

Target

121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe
Size

3.6MB
MD5

121cce1e6b600df33718850b67a157b0
SHA1

7c7802a3b6c8287c0f9c6d781ebbf966f40e71fc
SHA256

9412e2db885e27ad8a746a1d78b2584dfdace249736db136f94f1106bb136341
SHA512

fa5c3e7fab2e93305cd7a8d9184f09847ddbd11d5fed764e01e27bf37923a2a9ee6ee6f97c001969e0ee770537a7c9bd2c5736942216bfcc255a9a7c65bd157e
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P593RKzl6WG4:yDqPe1Cxcxk3ZAEUadzRSXG4

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3214) 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

3956 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:

121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe

pid	process
3956	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:3012

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:3956

C:\Users\Admin\AppData\Local\Temp\121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\121cce1e6b600df33718850b67a157b0_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:3004

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=3732 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
1⤵
PID:5000

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
7eed22703397f01e61a8c4dfd33e162d

SHA1
7ea7685dddb71449c0029050fdf80d16ee89e2b4

SHA256
3a5ba471dd719a4bacec4f4c0ff8ecf9647bbce3bad2e148c86318f6bc5a9f43

SHA512
59db90bc185b85385092f0a91a05c13838df4f16e3b350de91de4b99366d860bbaa0049bc3ba501d7e4da27c5b90d6a196e75bca3c90341b35ade274b66d14f0

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