wannacry | 5ebaffbbc54ae2f785146b4bd538365fabd7acff1341923b9a061227d9bcb80a

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
resource tags

arch:x64arch:x86image:win10v2004-20220414-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2022, 07:44

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General

Target
0457e6241e8c15bf1b4e8de873b38500.dll
Size 5.0MB
Sample220720-jktlcadgbl
SHA256 5ebaffbbc54ae2f785146b4bd538365fabd7acff1341923b9a061227d9bcb80a
MD5 0457e6241e8c15bf1b4e8de873b38500
SHA1 19afc01869c0383169ad411423234d0134a65bc2
SHA512 ccbb403d07fad82258344a58f07eb845cd5577d24ead732b99e885d379a9c6c0c37aa39eaf019429ed07be71a0097ddc5597d8c018121787166ebb1b9326706b
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 (3309) 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
4648	mssecsvc.exe
1012	mssecsvc.exe
960	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\tasksche.exe	mssecsvc.exe
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4384 wrote to memory of 3468	4384	rundll32.exe	79
PID 4384 wrote to memory of 3468	4384	rundll32.exe	79
PID 4384 wrote to memory of 3468	4384	rundll32.exe	79
PID 3468 wrote to memory of 4648	3468	rundll32.exe	80
PID 3468 wrote to memory of 4648	3468	rundll32.exe	80
PID 3468 wrote to memory of 4648	3468	rundll32.exe	80

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0457e6241e8c15bf1b4e8de873b38500.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\0457e6241e8c15bf1b4e8de873b38500.dll,#1
  2⤵
  - Drops file in Windows directory
  - Suspicious use of WriteProcessMemory
  PID:3468
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe
    3⤵
    - Executes dropped EXE
    - Drops file in Windows directory
    PID:4648
  - - C:\WINDOWS\tasksche.exe
      C:\WINDOWS\tasksche.exe /i
      4⤵
      Executes dropped EXE
      PID:960

C:\WINDOWS\mssecsvc.exe
C:\WINDOWS\mssecsvc.exe -m security
1⤵
- Executes dropped EXE
PID:1012

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 0eb87192498cbad24f170c0927db661a4ae334dbb508a0c6a57d80dad36e076e
MD5 8bf0f2642be2c8e663059e879965c735
SHA1 edb79c06c9286ff844be12211ac8c6b5da20f157
SHA512 9e62795e7b433c090230b6d762b8ecd2c31082a3a7a78f7f2b231a4a908054fede87bf89e6d81bc2d4ca487dc689dd63d2c5ccb8c7ea6a5084071a4a47372244
SSDEEP 49152:2njQqMSPbcBVQej/1INRx+TSqTdX1uQo6SAA0vxJM0H9PAMEcblAHI:y8qPoBhz1aRxcSUC36SABxWa9P5F2HI
MD5 SHA1 SHA512 SSDEEP

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mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 0eb87192498cbad24f170c0927db661a4ae334dbb508a0c6a57d80dad36e076e
MD5 8bf0f2642be2c8e663059e879965c735
SHA1 edb79c06c9286ff844be12211ac8c6b5da20f157
SHA512 9e62795e7b433c090230b6d762b8ecd2c31082a3a7a78f7f2b231a4a908054fede87bf89e6d81bc2d4ca487dc689dd63d2c5ccb8c7ea6a5084071a4a47372244
SSDEEP 49152:2njQqMSPbcBVQej/1INRx+TSqTdX1uQo6SAA0vxJM0H9PAMEcblAHI:y8qPoBhz1aRxcSUC36SABxWa9P5F2HI
MD5 SHA1 SHA512 SSDEEP

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mssecsvc.exe

Path C:\Windows\mssecsvc.exe
Size 3.6MB
SHA256 0eb87192498cbad24f170c0927db661a4ae334dbb508a0c6a57d80dad36e076e
MD5 8bf0f2642be2c8e663059e879965c735
SHA1 edb79c06c9286ff844be12211ac8c6b5da20f157
SHA512 9e62795e7b433c090230b6d762b8ecd2c31082a3a7a78f7f2b231a4a908054fede87bf89e6d81bc2d4ca487dc689dd63d2c5ccb8c7ea6a5084071a4a47372244
SSDEEP 49152:2njQqMSPbcBVQej/1INRx+TSqTdX1uQo6SAA0vxJM0H9PAMEcblAHI:y8qPoBhz1aRxcSUC36SABxWa9P5F2HI
MD5 SHA1 SHA512 SSDEEP

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tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 5e57847eef6674b3a9dff6a9b51427c45a42dc45a640047f5613305e531875bf
MD5 b7fea17cfccdba61b3cfdb3dae0c3f53
SHA1 4410c22dd484da644c2ecb2bbfee315a02159cf5
SHA512 7b1da7eeb8612dd1be520939d32fa36ee662a937126d0e1b50017c17c3ca5278a2bbb9b0de38ff8d44993713b6699a4c8557a585353f4659a635d474422a3a40
SSDEEP 49152:nQqMSPbcBVQej/1INRx+TSqTdX1uQo6SAA0vxJM0H9PAMEcblAHj:QqPoBhz1aRxcSUC36SABxWa9P5F2Hj
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