Malware Analysis Report

2025-01-19 07:38

Sample ID 231219-t5h1fsffdj
Target 5f8c526f4e1bb19be15547383a2c5b7f
SHA256 9d8ed0faaf39dd8e2c2599e2a977ce2907186f483aba74ea23e5499338f47ed7
Tags
tinba banker persistence trojan
score
10/10

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 Overview

score
10/10

SHA256

9d8ed0faaf39dd8e2c2599e2a977ce2907186f483aba74ea23e5499338f47ed7

Threat Level: Known bad

The file 5f8c526f4e1bb19be15547383a2c5b7f was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 16:38

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-19 16:38

Reported

2023-12-19 18:15

Platform

win7-20231215-en

Max time kernel

149s

Max time network

147s

Command Line

"C:\Windows\system32\Dwm.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\F7B428D3 = "C:\\Users\\Admin\\AppData\\Roaming\\F7B428D3\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious behavior: EnumeratesProcesses

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\5f8c526f4e1bb19be15547383a2c5b7f.exe N/A

Processes

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Users\Admin\AppData\Local\Temp\5f8c526f4e1bb19be15547383a2c5b7f.exe

"C:\Users\Admin\AppData\Local\Temp\5f8c526f4e1bb19be15547383a2c5b7f.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 ggvruxovlbrm.com udp
US 216.218.185.162:80 ggvruxovlbrm.com tcp
US 8.8.8.8:53 qvvksmeemfgd.com udp
US 216.218.185.162:80 qvvksmeemfgd.com tcp

Files

memory/1876-0-0x0000000000400000-0x000000000046D000-memory.dmp

memory/1876-1-0x0000000000400000-0x0000000000405000-memory.dmp

memory/1876-3-0x0000000002110000-0x0000000002B10000-memory.dmp

memory/2500-5-0x00000000000B0000-0x00000000000B7000-memory.dmp

memory/2500-7-0x000000007741F000-0x0000000077420000-memory.dmp

memory/1188-8-0x00000000024A0000-0x00000000024A7000-memory.dmp

memory/2500-6-0x00000000000B0000-0x00000000000B7000-memory.dmp

memory/1188-4-0x00000000024A0000-0x00000000024A7000-memory.dmp

memory/1188-2-0x00000000024A0000-0x00000000024A7000-memory.dmp

memory/2500-9-0x000000007741F000-0x0000000077421000-memory.dmp

memory/2500-11-0x0000000077420000-0x0000000077421000-memory.dmp

memory/2500-10-0x00000000000B0000-0x00000000000B7000-memory.dmp

memory/2500-14-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/2500-13-0x00000000002B0000-0x00000000002C6000-memory.dmp

memory/1188-12-0x0000000077271000-0x0000000077272000-memory.dmp

memory/2500-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

memory/1876-16-0x0000000000400000-0x0000000000404A00-memory.dmp

memory/1876-17-0x0000000002110000-0x0000000002B10000-memory.dmp

memory/1160-22-0x0000000000230000-0x0000000000237000-memory.dmp

memory/1104-20-0x0000000000160000-0x0000000000167000-memory.dmp

memory/1880-34-0x0000000077271000-0x0000000077272000-memory.dmp

memory/1880-33-0x0000000000090000-0x0000000000097000-memory.dmp

memory/1188-32-0x00000000024B0000-0x00000000024B7000-memory.dmp

memory/1160-31-0x0000000000230000-0x0000000000237000-memory.dmp

memory/1104-30-0x0000000077271000-0x0000000077272000-memory.dmp

memory/1104-29-0x0000000000160000-0x0000000000167000-memory.dmp

memory/1880-28-0x0000000000090000-0x0000000000097000-memory.dmp

memory/1188-25-0x00000000024B0000-0x00000000024B7000-memory.dmp

memory/2500-40-0x00000000000B0000-0x00000000000B7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 16:38

Reported

2023-12-19 18:08

Platform

win10v2004-20231215-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A