Malware Analysis Report

2024-10-23 15:37

Sample ID 220803-wm8t9sehem
Target 1832-57-0x0000000010000000-0x000000001000E000-memory.dmp
SHA256 0b25ad7cfa1bffb013c33053e6058eac04522a42ef0b0f7b08cf83f449baede1
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

0b25ad7cfa1bffb013c33053e6058eac04522a42ef0b0f7b08cf83f449baede1

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

2022-08-03 18:03

Signatures

Gozi_ifsb family

gozi_ifsb

Analysis: behavioral1

Detonation Overview

Submitted

2022-08-03 18:03

Reported

2022-08-03 18:06

Platform

win7-20220715-en

Max time kernel

45s

Max time network

49s

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 1092 -s 196

Network

N/A

Files

memory/1092-54-0x0000000000000000-mapping.dmp

memory/1092-55-0x0000000076601000-0x0000000076603000-memory.dmp

memory/900-56-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-08-03 18:03

Reported

2022-08-03 18:06

Platform

win10v2004-20220721-en

Max time kernel

145s

Max time network

151s

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 432 wrote to memory of 4608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 432 wrote to memory of 4608 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 432 wrote to memory of 4608 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 416 -p 4608 -ip 4608

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 564

Network

Country Destination Domain Proto
US 8.253.183.121:80 tcp
US 67.27.133.254:80 tcp
NL 87.248.202.1:80 tcp
NL 40.126.32.140:443 tcp
US 20.42.73.26:443 tcp
NL 87.248.202.1:80 tcp
NL 40.126.32.140:443 tcp
NL 20.190.160.14:443 tcp
NL 20.190.160.14:443 tcp
NL 40.126.32.74:443 tcp
NL 40.126.32.74:443 tcp

Files

memory/4608-130-0x0000000000000000-mapping.dmp