Malware Analysis Report

2025-01-03 09:27

Sample ID 240604-wfz9jsfa79
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: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

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

2024-06-04 17:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-04 17:52

Reported

2024-06-04 17:55

Platform

win10-20240404-en

Max time kernel

0s

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/4920-1-0x0000000000400000-0x000000000043F000-memory.dmp

memory/4920-0-0x000000000041A000-0x0000000000427000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-04 17:52

Reported

2024-06-04 17:54

Platform

win7-20240221-en

Max time kernel

2s

Max time network

6s

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/2228-1-0x0000000000400000-0x000000000043F000-memory.dmp

memory/2228-0-0x000000000041A000-0x0000000000427000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-04 17:52

Reported

2024-06-04 17:55

Platform

win10-20240404-en

Max time kernel

2s

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/3104-0-0x000000000040E000-0x000000000041B000-memory.dmp

memory/3104-1-0x0000000000400000-0x00000000004CB000-memory.dmp

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-04 17:52

Reported

2024-06-04 17:55

Platform

win7-20240508-en

Max time kernel

2s

Max time network

1s

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/1684-0-0x000000000040E000-0x000000000041B000-memory.dmp

memory/1684-1-0x0000000000400000-0x00000000004CB000-memory.dmp