wannacry | 0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 16:00

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General

Target

0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe
Size

3.6MB
MD5

43d8305fe39d24e61baaa44932f8aa50
SHA1

8327b367e375e88a431322bb3b30a60e832fb509
SHA256

0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9
SHA512

b9312c1279877939530e67db735f1d127b8e0fae56d83b2c3cb8c847ea0a86714a18be59db99d04d12fbf442a129a26625e6268821bdc2a744f11956b9e7e858
SSDEEP

49152:VnjQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H9l:Z8qPoBhz1aRxcSUDk36SAEdhvxWa9

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2446) 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

pid	Process
2712	tasksche.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe

C:\Users\Admin\AppData\Local\Temp\0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe
"C:\Users\Admin\AppData\Local\Temp\0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2416
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2712

C:\Users\Admin\AppData\Local\Temp\0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe
C:\Users\Admin\AppData\Local\Temp\0008a13a391f54c3d93a4b6c3c9d2774696fe001ec507a0ae22cb0772dbe13c9N.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2212

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

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
ab60104523c81b4b86e24398903d6873

SHA1
e7eb2a448bda4f5de82948802fa7e84002fcc0e0

SHA256
647a733f3524b40affc3ed363b63738a05b1afa07c426f1868e92c54ddebb9e6

SHA512
9d579854a0f5e8fe60f13bdfe9a88d8ab134547a8bad98f43582847ba45da91d6e6439dc23a00e266c4cc09914a352907aef82a59e04711bf70719c0211a3de8

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