wannacry | 4aec93b2e437151c2d618a9dddb37957a27529b6b3577bccd41ee057beac8d67

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01-07-2024 14:09

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01-07-2024 14:08

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01-07-2024 11:10

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Analysis

max time kernel
98s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 11:10

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General

Target

2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe
Size

5.0MB
MD5

75b350c8f7e67883d1ba9d71198cef1b
SHA1

833a369367059b5ae28542fea0eee425140b70ff
SHA256

4aec93b2e437151c2d618a9dddb37957a27529b6b3577bccd41ee057beac8d67
SHA512

cc08357d1bb621ec3bcb1f7d0055dd52c477f70327377f0aec9767281318a0c6c37294d15f7d59ab3cbe39fd589d9a11f8ae8f3983c78d5a72f2af634a1fa660
SSDEEP

49152:2nAQqMSPTx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEcaEau3R8yAH:yDqPTxcSUDk36SAEdhvxWa9P593R8yA

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2931) 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

4536 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:

2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe

pid	process
4536	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:2212

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4536

C:\Users\Admin\AppData\Local\Temp\2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-07-01_75b350c8f7e67883d1ba9d71198cef1b_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:1468

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=4232 --field-trial-handle=2656,i,16940681401824032220,151921362336696246,262144 --variations-seed-version /prefetch:8
1⤵
PID:556

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
7f1cd7f071ee1e55b6d10990c31bdc14

SHA1
c8848b84a15bf538ca7ecefcf362ddb4e11b4a43

SHA256
83f9c04a45f3be7cd72e98089ca121bdedaa49f7c45f84df915fdcea970a0245

SHA512
f76f7244cf78f0623ac3284694854d99cad5c9e86a2efc591c053f50e0f0c48aaff59abe873cf665d04d4fbdb8b252eeebee8ae79e95ce44f2e5bac4e27b61f9

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