Malware Analysis Report

2025-08-10 18:03

Sample ID 240310-exd9zaca56
Target Ransomware.Petya.zip
SHA256 33ca487a65d38bad82dccfa0d076bad071466e4183562d0b1ad1a2e954667fe9
Tags
bootkit persistence
score
6/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
6/10

SHA256

33ca487a65d38bad82dccfa0d076bad071466e4183562d0b1ad1a2e954667fe9

Threat Level: Shows suspicious behavior

The file Ransomware.Petya.zip was found to be: Shows suspicious behavior.

Malicious Activity Summary

bootkit persistence

Writes to the Master Boot Record (MBR)

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-03-10 04:18

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-03-10 04:18

Reported

2024-03-10 04:19

Platform

win7-20240215-en

Max time kernel

2s

Max time network

0s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe

"C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe"

Network

N/A

Files

memory/2896-0-0x0000000000400000-0x00000000004CB000-memory.dmp

memory/2896-1-0x0000000000250000-0x0000000000262000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-03-10 04:18

Reported

2024-03-10 04:21

Platform

win10v2004-20240226-en

Max time kernel

3s

Max time network

8s

Command Line

"C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe

"C:\Users\Admin\AppData\Local\Temp\4c1dc737915d76b7ce579abddaba74ead6fdb5b519a1ea45308b8c49b950655c.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp

Files

memory/1260-0-0x0000000000400000-0x00000000004CB000-memory.dmp

memory/1260-1-0x0000000000690000-0x00000000006A2000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-03-10 04:18

Reported

2024-03-10 04:21

Platform

win7-20240221-en

Max time kernel

0s

Max time network

1s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe

"C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe"

Network

N/A

Files

memory/2204-0-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2204-1-0x0000000000230000-0x0000000000242000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-03-10 04:18

Reported

2024-03-10 04:22

Platform

win10v2004-20240226-en

Max time kernel

82s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe"

Signatures

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe

"C:\Users\Admin\AppData\Local\Temp\26b4699a7b9eeb16e76305d843d4ab05e94d43f3201436927e13b3ebafa90739.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/4340-0-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4340-1-0x00000000005A0000-0x00000000005B2000-memory.dmp

memory/4340-2-0x00000000005A0000-0x00000000005B2000-memory.dmp