wannacry | c6ed3d06eb26963013e4f2ba3d03c376650fcf0dcba4d1b3ba55122561c45e56

Analysis

max time kernel
152s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-11-2022 06:03

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c6ed3d06eb26963013e4f2ba3d03c376650fcf0dcba4d1b3ba55122561c45e56.dll
Size

5.0MB
MD5

07e0ad4a92e0ccd54bbccf2fa459c0ed
SHA1

353b03de9345510a14cd2999bafbe27641dc367c
SHA256

c6ed3d06eb26963013e4f2ba3d03c376650fcf0dcba4d1b3ba55122561c45e56
SHA512

9c4c94849aff932b54e21601de9d8419ba02f20a9a74401c899ebc1ec11efb5afe4c70717da1b16acd62c555316e3a42f733960b946aa9bd3b4987d429bc5278
SSDEEP

49152:znAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM:TDqPoBhz1aRxcSUDk36SAEdhvxW

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (2223) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Executes dropped EXE 3 IoCs

pid	Process
3400	mssecsvc.exe
336	mssecsvc.exe
3628	tasksche.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvc.exe

Modifies data under HKEY_USERS 5 IoCs

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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 5008	4948	rundll32.exe	81
PID 4948 wrote to memory of 5008	4948	rundll32.exe	81
PID 4948 wrote to memory of 5008	4948	rundll32.exe	81
PID 5008 wrote to memory of 3400	5008	rundll32.exe	82
PID 5008 wrote to memory of 3400	5008	rundll32.exe	82
PID 5008 wrote to memory of 3400	5008	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6ed3d06eb26963013e4f2ba3d03c376650fcf0dcba4d1b3ba55122561c45e56.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c6ed3d06eb26963013e4f2ba3d03c376650fcf0dcba4d1b3ba55122561c45e56.dll,#1
  2⤵
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:5008
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:3400
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      PID:3628

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\WINDOWS\mssecsvc.exe

Filesize
3.6MB

MD5
f5dbd18d2808eb5129ba6705cf77c592

SHA1
85b58f7028b3baa613caab89b92defe6d556f132

SHA256
4f72c18f99382bb657695d8c95661f8cf9d1ceae8e9494cb60580761134a3f78

SHA512
ba85dc99705c69d1c992a05c1f83e7a697ce18ede76da33101af190cd8291b90fbe6a5cb11be8511f7c6e8d6b8b5023ea408e564e1be62c4c3f2ab01fcc9756f

Download Submit
C:\Windows\mssecsvc.exe

Filesize
3.6MB

MD5
f5dbd18d2808eb5129ba6705cf77c592

SHA1
85b58f7028b3baa613caab89b92defe6d556f132

SHA256
4f72c18f99382bb657695d8c95661f8cf9d1ceae8e9494cb60580761134a3f78

SHA512
ba85dc99705c69d1c992a05c1f83e7a697ce18ede76da33101af190cd8291b90fbe6a5cb11be8511f7c6e8d6b8b5023ea408e564e1be62c4c3f2ab01fcc9756f

Download Submit
C:\Windows\mssecsvc.exe

Filesize
3.6MB

MD5
f5dbd18d2808eb5129ba6705cf77c592

SHA1
85b58f7028b3baa613caab89b92defe6d556f132

SHA256
4f72c18f99382bb657695d8c95661f8cf9d1ceae8e9494cb60580761134a3f78

SHA512
ba85dc99705c69d1c992a05c1f83e7a697ce18ede76da33101af190cd8291b90fbe6a5cb11be8511f7c6e8d6b8b5023ea408e564e1be62c4c3f2ab01fcc9756f

Download Submit
C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
1090a8ddd76e2a2790515b5cd2f578ea

SHA1
08f521399448e09c2bd478a3602583277e36bf9c

SHA256
b2f03fc500aaf23df2fd2997d2c0789a9676d53eaa73beaea41d319bde79c430

SHA512
fa84ad5dcd78df4e0544fc2ae3d327659528b22a38ad5e10d72eaa65bedec8d1f6efd5ea700932cac7657bce6ba59622fd615798d88edad1ec1eadaef3d27017

Download Submit
memory/3400-133-0x0000000000000000-mapping.dmp

Download
memory/5008-132-0x0000000000000000-mapping.dmp

Download