Malware Analysis Report

2025-08-05 21:40

Sample ID 230321-mgke2sbg4w
Target 6419861983e7f.png.dll
SHA256 3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382
Tags
gozi 5050 banker isfb trojan
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

3ffc3c329ace3bf652db9d8fdcdb7ef19fd1563d39b3ef3934e0170209f03382

Threat Level: Known bad

The file 6419861983e7f.png.dll was found to be: Known bad.

Malicious Activity Summary

gozi 5050 banker isfb trojan

Gozi

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-03-21 10:26

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-21 10:26

Reported

2023-03-21 10:28

Platform

win7-20230220-en

Max time kernel

141s

Max time network

35s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6419861983e7f.png.dll

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1780 wrote to memory of 1684 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1780 wrote to memory of 1684 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1780 wrote to memory of 1684 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1780 wrote to memory of 1684 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1780 wrote to memory of 1684 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1780 wrote to memory of 1684 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 1780 wrote to memory of 1684 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6419861983e7f.png.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\6419861983e7f.png.dll

Network

N/A

Files

memory/1684-54-0x0000000010000000-0x000000001000F000-memory.dmp

memory/1684-58-0x0000000000170000-0x000000000017E000-memory.dmp

memory/1684-63-0x0000000000150000-0x0000000000151000-memory.dmp

memory/1684-64-0x0000000062540000-0x000000006257C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-21 10:26

Reported

2023-03-21 10:28

Platform

win10v2004-20230220-en

Max time kernel

144s

Max time network

153s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6419861983e7f.png.dll

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2240 wrote to memory of 1180 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2240 wrote to memory of 1180 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe
PID 2240 wrote to memory of 1180 N/A C:\Windows\system32\regsvr32.exe C:\Windows\SysWOW64\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\6419861983e7f.png.dll

C:\Windows\SysWOW64\regsvr32.exe

/s C:\Users\Admin\AppData\Local\Temp\6419861983e7f.png.dll

Network

Country Destination Domain Proto
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 104.208.16.89:443 tcp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
GB 52.123.242.87:80 config.edge.skype.com tcp
US 8.8.8.8:53 87.242.123.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 216.74.101.95.in-addr.arpa udp
RU 91.215.85.201:80 91.215.85.201 tcp
US 8.8.8.8:53 201.85.215.91.in-addr.arpa udp

Files

memory/1180-133-0x0000000010000000-0x000000001000F000-memory.dmp

memory/1180-137-0x0000000000700000-0x000000000070E000-memory.dmp

memory/1180-142-0x0000000002110000-0x000000000211D000-memory.dmp

memory/1180-145-0x00000000006E0000-0x00000000006E1000-memory.dmp

memory/1180-146-0x0000000062540000-0x000000006257C000-memory.dmp