wannacry | 76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
09-07-2024 11:55

Target

76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe
Size

5.0MB
MD5

458e646ee79bbc56e8a8859478488194
SHA1

25e26d981d34036d766d35faa693ad22a440e453
SHA256

76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa
SHA512

6a4def9bc5408d9261e8a7fd249f721cd8d894c3b87cc21ae6505b3c2102949980124b6f632270cc91d29761de72d0b4d3514eec03ae10f135f5c42a8aed89fd
SSDEEP

98304:XDqPoBhf1aRxcSUDk36SAEdhvxWa9P59myAVp2H:XDqPS1Cxcxk3ZAEUadCyc4H

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3285) 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

4456 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:

76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe

pid	process
4456	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe

C:\Users\Admin\AppData\Local\Temp\76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe
"C:\Users\Admin\AppData\Local\Temp\76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe"
1⤵
- Drops file in Windows directory
PID:3492

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4456

C:\Users\Admin\AppData\Local\Temp\76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe
C:\Users\Admin\AppData\Local\Temp\76a4b65c152383aab2c6143c75f3028cb845dd8430368650b9f0ad424a7d6bfa.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:5008

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=3380,i,7545522914305657361,9950105517201397946,262144 --variations-seed-version --mojo-platform-channel-handle=4260 /prefetch:8
1⤵
PID:5080

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
0ed6992d75d982d9cfb6c8bbf7958b26

SHA1
7374b2519b50e91598cfb1ea604afbbcc2a92440

SHA256
9031a587e0ea4204914f3102fa2700275a657ace64924b49d0d4c27b4c7f4a5b

SHA512
29442b5ab43abe3ad587f62bbdfded931ed73fd6b90249db4720209cd5295dabe524a2159e006ea8f5d16f30661afe97b20b2fe1bc20306a6f27fc3ea8bcecc9

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