wannacry | 83e1205ed19e736f598dd42de65bf459b7f38e5d4d13b109272c594768164132

Analysis

max time kernel
31s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 09:26

Target

2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe
Size

3.6MB
MD5

194e1a0d12e936dc08508adbf03beeab
SHA1

5e5ef854244dcba38c092bcfbebd81cb40b9bc82
SHA256

83e1205ed19e736f598dd42de65bf459b7f38e5d4d13b109272c594768164132
SHA512

500b4120433d9b32cb61e2b424f3d2d31f13417c2334c808c625995c7e6c1f08cd268553273b517a12875369100e462a5e94dbd57975a1236e736c0e74021ebe
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAE91EPMrSGZs1WW3y5jz/AyNs3bY6iV5:yDqPe1Cxcxk3ZAECHgjT

Score

10^/10

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3127) 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

4724 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:

2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe

pid	process
4724	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe"
1⤵
- Drops file in Windows directory
PID:1844

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:4724

C:\Users\Admin\AppData\Local\Temp\2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-10_194e1a0d12e936dc08508adbf03beeab_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:624

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
180KB

MD5
bb4a2c131e5d746f10cdd047356a1b07

SHA1
6bbb9afff357224114cc39126fd0f3fc325edb85

SHA256
bce5a3cd55573f96a81faaf60072d4a7e06ac87cdf881551c6911c916bd0a663

SHA512
e2edafdcfb62b54b73cefb42e0de8fbda64725b0714267dd292b5145ad93cf54c6a3d5fa53d14d138091005bb829957b9daa9f4bcacdc4122c0336423330f2dc

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