wannacry | 374aa67752f851ee4bfd9b98b610cf7ee2e47d8d036fd0331a198c5d0e9238ea

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220718-en
resource tags

arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2022, 07:38

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General

Target
9135308a54128612137748dd6fc8689e.dll
Size 5.0MB
Sample220720-jgdeysdfgl
SHA256 374aa67752f851ee4bfd9b98b610cf7ee2e47d8d036fd0331a198c5d0e9238ea
MD5 9135308a54128612137748dd6fc8689e
SHA1 0557a164db5b41ba2925a37ada6896b6b361090a
SHA512 d40c0dbd09f35f4ed62a7b95576b7647b8ddadf5304115b1fe74ad4688f89de64c93731ce029b61d181798ee2deff0cdc2d5bea33aded1bd796510f9534d8cbc
MD5 SHA1 SHA512

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3235) 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
1124	mssecsvc.exe
2172	mssecsvc.exe
2480	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 Scanning
T1046

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

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 3976	1184	rundll32.exe	77
PID 1184 wrote to memory of 3976	1184	rundll32.exe	77
PID 1184 wrote to memory of 3976	1184	rundll32.exe	77
PID 3976 wrote to memory of 1124	3976	rundll32.exe	78
PID 3976 wrote to memory of 1124	3976	rundll32.exe	78
PID 3976 wrote to memory of 1124	3976	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9135308a54128612137748dd6fc8689e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1184
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9135308a54128612137748dd6fc8689e.dll,#1
  2⤵
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:3976
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:1124
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      PID:2480

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
PID:2172

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

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Downloads

mssecsvc.exe

Path C:\WINDOWS\mssecsvc.exe
Size 3.6MB
SHA256 21fd068f15af2d4fd2981e0846d0a8f33ebd98516cf8d939e392d7faec542e7a
MD5 b43a5385224265da3f585765f650e4a5
SHA1 513f04bed52b477d18a8d47f20ea3df4935bbc7f
SHA512 da6a68f2397adf427cd2b755f88c251c3bca688498feda2c2d9aa53f17752ad3ecd7e6d9b2eaa3f988a18397819171f58e18872795d00b2a86eac4762d14d343
SSDEEP 98304:X8qPoBhz1aRxcSUDk36SAEdhv093R8yAVp2:X8qPe1Cxcxk3ZAEOR8yc4
MD5 SHA1 SHA512 SSDEEP

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mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 21fd068f15af2d4fd2981e0846d0a8f33ebd98516cf8d939e392d7faec542e7a
MD5 b43a5385224265da3f585765f650e4a5
SHA1 513f04bed52b477d18a8d47f20ea3df4935bbc7f
SHA512 da6a68f2397adf427cd2b755f88c251c3bca688498feda2c2d9aa53f17752ad3ecd7e6d9b2eaa3f988a18397819171f58e18872795d00b2a86eac4762d14d343
SSDEEP 98304:X8qPoBhz1aRxcSUDk36SAEdhv093R8yAVp2:X8qPe1Cxcxk3ZAEOR8yc4
MD5 SHA1 SHA512 SSDEEP

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mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 21fd068f15af2d4fd2981e0846d0a8f33ebd98516cf8d939e392d7faec542e7a
MD5 b43a5385224265da3f585765f650e4a5
SHA1 513f04bed52b477d18a8d47f20ea3df4935bbc7f
SHA512 da6a68f2397adf427cd2b755f88c251c3bca688498feda2c2d9aa53f17752ad3ecd7e6d9b2eaa3f988a18397819171f58e18872795d00b2a86eac4762d14d343
SSDEEP 98304:X8qPoBhz1aRxcSUDk36SAEdhv093R8yAVp2:X8qPe1Cxcxk3ZAEOR8yc4
MD5 SHA1 SHA512 SSDEEP

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tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 739e22ec12d7510fa24c3a26ede3505177156499546c2ed642b80d4f54b21822
MD5 a318a9762a9d4b311922149f66189890
SHA1 ffd28d34af54652bf287dcf5f2d888c910589d38
SHA512 6c41fd78c336845546eca1a1f773f77978ea7bbd1a40947cb386161014658da5ccef78c904a1f4089fdc35a86a1e2176c57ac8560b92b6b4ece67d62ae717d14
SSDEEP 98304:QqPoBhz1aRxcSUDk36SAEdhv093R8yAVp2:QqPe1Cxcxk3ZAEOR8yc4
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads