Malware Analysis Report

2024-10-10 08:24

Sample ID 240602-alflfacf52
Target JJSploitRevamped.exe
SHA256 fc89124753f93b1b3710e8e0dcbea2267b0444ebcba7474a591d769d833e2c77
Tags
blankgrabber upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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 Overview

score
10/10

SHA256

fc89124753f93b1b3710e8e0dcbea2267b0444ebcba7474a591d769d833e2c77

Threat Level: Known bad

The file JJSploitRevamped.exe was found to be: Known bad.

Malicious Activity Summary

blankgrabber upx

A stealer written in Python and packaged with Pyinstaller

Blankgrabber family

Loads dropped DLL

UPX packed file

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-02 00:17

Signatures

A stealer written in Python and packaged with Pyinstaller

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

Blankgrabber family

blankgrabber

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-02 00:17

Reported

2024-06-02 00:18

Platform

win7-20240419-en

Max time kernel

0s

Max time network

0s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe"

Signatures

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe N/A

UPX packed file

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

Processes

C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe

"C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe"

C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe

"C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe"

Network

N/A

Files

C:\Users\Admin\AppData\Local\Temp\_MEI19682\python311.dll

MD5 bb46b85029b543b70276ad8e4c238799
SHA1 123bdcd9eebcac1ec0fd2764a37e5e5476bb0c1c
SHA256 72c24e1db1ba4df791720a93ca9502d77c3738eebf8b9092a5d82aa8d80121d0
SHA512 5e993617509c1cf434938d6a467eb0494e04580ad242535a04937f7c174d429da70a6e71792fc3de69e103ffc5d9de51d29001a4df528cfffefdaa2cef4eaf31

memory/2664-24-0x000007FEF64C0000-0x000007FEF6AA8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-02 00:17

Reported

2024-06-02 00:17

Platform

win10v2004-20240508-en

Max time kernel

0s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe

"C:\Users\Admin\AppData\Local\Temp\JJSploitRevamped.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 udp
N/A 52.183.220.149:443 tcp

Files

N/A