wannacry | 8d2b87612d651acbd9cf59421008dee390dbdc345afa9e4fb16146dd41553964

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10-10-2024 22:52

241010-2tf1qa1clf 10

10-10-2024 22:43

241010-2ndneawbqm 10

10-10-2024 21:48

241010-1n5w8aybkh 10

Analysis

max time kernel
50s
max time network
51s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
10-10-2024 22:52

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General

Target

2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
Size

3.6MB
MD5

16fcccc66c19270b5ec9528ab1ec048f
SHA1

6c24f963073c0f455d0bc6f1ee78e51494562db6
SHA256

8d2b87612d651acbd9cf59421008dee390dbdc345afa9e4fb16146dd41553964
SHA512

6c86657587777637c1ebd4795201da80d30cfbcda4a6b0854a973236fc569612a3e8331d962e40649ad5fa4ecc012e736d04f524e5cc7bd603c1f87911f71210
SSDEEP

98304:yDqPoBhz1aRxcSUDk36SAEdhvxWa9P5Y2HI:yDqPe1Cxcxk3ZAEUadxHI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (543) 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
2572	tasksche.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:5076
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2572

C:\Users\Admin\AppData\Local\Temp\2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-10_16fcccc66c19270b5ec9528ab1ec048f_wannacry.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:4040

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
2c96dfc3348c88f125ba2006edd51cb9

SHA1
db1de084bdda3460e54549acb9d429578c821c88

SHA256
adbb99f1da05d7451bc62ce4e48152f9c71e7a4c1666c3d61d08a74d931b1d9b

SHA512
3e2f41ca5d1c7d05f6229adebab0e9a198cea70be29ae9bb7148de5c3fd7b1fcafcda434309bd18b738ab01dd8abfd77c368ec6a2add35715e3f8d69e583b87a

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