wannacry | ad15bd5b8d16d642ef8764fa6a43ca0a9d6b2baa3d24ccc60a20a7731c5c3235

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2024 10:41

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General

Target

2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
Size

5.0MB
MD5

5e0fc24f954408a4f0d14251814ee0cb
SHA1

ce65ef74ea9e63fc74c85b3ee7b07624c58ae61f
SHA256

ad15bd5b8d16d642ef8764fa6a43ca0a9d6b2baa3d24ccc60a20a7731c5c3235
SHA512

c5c8eb4a3fd23a91774ac8dee20d665ab4e642d2a3036b2457eac8043daeafaa25da3d23c5b65dd895d8170095beb8ed47cdbf708cd651833a1baa45639ba027
SSDEEP

49152:XnAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9PAMEc:XDqPoBhz1aRxcSUDk36SAEdhvxWa9P5

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3224) 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

1188 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:

2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe

description ioc process

File created C:\WINDOWS\tasksche.exe 2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe

pid	process
1188	tasksche.exe

description	ioc	process
File created	C:\WINDOWS\tasksche.exe	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

Processes:

2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1168

C:\WINDOWS\tasksche.exe
C:\WINDOWS\tasksche.exe /i
2⤵
- Executes dropped EXE
PID:1188

C:\Users\Admin\AppData\Local\Temp\2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-08-12_5e0fc24f954408a4f0d14251814ee0cb_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:1384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
2c541c43a692b194b2a1b757ce1555f8

SHA1
2e1d6fd395c8434bd8581cce549272499a01b468

SHA256
44a2e5302383a69bfc2fa852edcc02c25779afae9fa59de4578b5e97428af44e

SHA512
7c7e4fdf60b0e11a170dcc9e461e7d0d4e59660230f2ff9d6812205d499c1546cb4d7efc9ce07b0927d9562863cfd28058f654dfa3264f75740914a680248c9d

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