Malware Analysis Report

2024-10-19 01:08

Sample ID 220809-pwlb1aaddm
Target 1832-57-0x0000000010000000-0x000000001000E000-memory.dmp
SHA256 87b1209f93f82c66524e1ea510eccdcb765ccda140a1cd93a42a135a5fdda424
Tags
3000 gozi_ifsb
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

87b1209f93f82c66524e1ea510eccdcb765ccda140a1cd93a42a135a5fdda424

Threat Level: Known bad

The file 1832-57-0x0000000010000000-0x000000001000E000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

3000 gozi_ifsb

Gozi_ifsb family

Program crash

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2022-08-09 12:40

Signatures

Gozi_ifsb family

gozi_ifsb

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-09 12:40

Reported

2022-08-09 12:43

Platform

win7-20220715-en

Max time kernel

38s

Max time network

43s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1832-57-0x0000000010000000-0x000000001000E000-memory.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1832-57-0x0000000010000000-0x000000001000E000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1832-57-0x0000000010000000-0x000000001000E000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1908 -s 196

Network

N/A

Files

memory/1908-54-0x0000000000000000-mapping.dmp

memory/1908-55-0x0000000075311000-0x0000000075313000-memory.dmp

memory/1220-56-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-09 12:40

Reported

2022-08-09 12:43

Platform

win10v2004-20220721-en

Max time kernel

129s

Max time network

149s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1832-57-0x0000000010000000-0x000000001000E000-memory.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 636 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 636 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 636 wrote to memory of 1256 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1832-57-0x0000000010000000-0x000000001000E000-memory.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\1832-57-0x0000000010000000-0x000000001000E000-memory.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1256 -ip 1256

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1256 -s 560

Network

Country Destination Domain Proto
US 93.184.221.240:80 tcp
US 93.184.221.240:80 tcp
US 20.42.73.24:443 tcp

Files

memory/1256-130-0x0000000000000000-mapping.dmp