Malware Analysis Report

2025-01-19 07:40

Sample ID 241107-bgph8asdnn
Target 8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c
SHA256 8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c
Tags
tinba banker discovery 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

8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c

Threat Level: Known bad

The file 8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba family

Tinba / TinyBanker

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 01:07

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 01:07

Reported

2024-11-07 01:09

Platform

win7-20240903-en

Max time kernel

149s

Max time network

149s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Tinba family

tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\0096EC7C = "C:\\Users\\Admin\\AppData\\Roaming\\0096EC7C\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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

Processes

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\system32\Dwm.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\DllHost.exe

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

C:\Users\Admin\AppData\Local\Temp\8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c.exe

"C:\Users\Admin\AppData\Local\Temp\8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 spaines.pw udp
US 216.218.185.162:80 spaines.pw tcp

Files

memory/2652-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1228-1-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

memory/1228-2-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

memory/1228-3-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

memory/2652-4-0x0000000001D30000-0x0000000002730000-memory.dmp

memory/2712-6-0x0000000077140000-0x0000000077141000-memory.dmp

memory/2712-8-0x000000007713F000-0x0000000077141000-memory.dmp

memory/2712-7-0x000000007713F000-0x0000000077140000-memory.dmp

memory/2712-5-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1228-9-0x0000000076F91000-0x0000000076F92000-memory.dmp

memory/2712-10-0x0000000076F40000-0x00000000770E9000-memory.dmp

memory/2652-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2652-12-0x0000000001D30000-0x0000000002730000-memory.dmp

memory/1228-20-0x0000000002A40000-0x0000000002A46000-memory.dmp

memory/1656-23-0x0000000001F70000-0x0000000001F76000-memory.dmp

memory/1168-18-0x0000000000440000-0x0000000000446000-memory.dmp

memory/1228-27-0x0000000002A40000-0x0000000002A46000-memory.dmp

memory/1168-26-0x0000000000440000-0x0000000000446000-memory.dmp

memory/1092-25-0x0000000076F91000-0x0000000076F92000-memory.dmp

memory/1092-24-0x0000000000410000-0x0000000000416000-memory.dmp

memory/1656-29-0x0000000001F70000-0x0000000001F76000-memory.dmp

memory/1656-30-0x0000000076F91000-0x0000000076F92000-memory.dmp

memory/2712-28-0x0000000000160000-0x0000000000166000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 01:07

Reported

2024-11-07 01:09

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

138s

Command Line

sihost.exe

Signatures

Tinba / TinyBanker

trojan banker tinba

Tinba family

tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\504CE101 = "C:\\Users\\Admin\\AppData\\Roaming\\504CE101\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Program crash

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 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

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of FindShellTrayWindow

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

Suspicious use of UnmapMainImage

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

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c.exe

"C:\Users\Admin\AppData\Local\Temp\8194cafe1820911f8f7bb4c7eb95370a0777daf0925e832c30a792f83a68738c.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 2864 -ip 2864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

memory/4712-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/3424-2-0x0000000001200000-0x0000000001206000-memory.dmp

memory/3424-1-0x0000000001200000-0x0000000001206000-memory.dmp

memory/4712-3-0x0000000002280000-0x0000000002C80000-memory.dmp

memory/3424-5-0x00007FFD5340D000-0x00007FFD5340E000-memory.dmp

memory/2864-4-0x0000000077A02000-0x0000000077A03000-memory.dmp

memory/2864-6-0x00007FFD53370000-0x00007FFD53565000-memory.dmp

memory/3424-7-0x00007FFD535A0000-0x00007FFD535A1000-memory.dmp

memory/4712-8-0x0000000000400000-0x000000000041A000-memory.dmp

memory/4712-9-0x0000000002280000-0x0000000002C80000-memory.dmp

memory/2864-11-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

memory/2652-13-0x00000000004B0000-0x00000000004B6000-memory.dmp

memory/2864-14-0x0000000002DB0000-0x0000000002DB6000-memory.dmp