Malware Analysis Report

2025-01-19 07:40

Sample ID 241120-xzhz2s1enh
Target 7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe
SHA256 7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077
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

7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077

Threat Level: Known bad

The file 7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba / TinyBanker

Tinba family

Adds Run key to start application

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 19:17

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 19:17

Reported

2024-11-20 19:19

Platform

win7-20240903-en

Max time kernel

119s

Max time network

120s

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\4EFA8320 = "C:\\Users\\Admin\\AppData\\Roaming\\4EFA8320\\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\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.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

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

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\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe

"C:\Users\Admin\AppData\Local\Temp\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.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/840-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1164-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

memory/1164-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

memory/1164-1-0x0000000002E10000-0x0000000002E16000-memory.dmp

memory/840-4-0x0000000001C70000-0x0000000002670000-memory.dmp

memory/1164-9-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1996-8-0x000000007723F000-0x0000000077241000-memory.dmp

memory/1996-7-0x000000007723F000-0x0000000077240000-memory.dmp

memory/1996-6-0x0000000077240000-0x0000000077241000-memory.dmp

memory/1996-5-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1996-10-0x0000000077040000-0x00000000771E9000-memory.dmp

memory/840-11-0x0000000000400000-0x0000000000414000-memory.dmp

memory/840-12-0x0000000001C70000-0x0000000002670000-memory.dmp

memory/1048-23-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1948-29-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1124-28-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1164-27-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

memory/1048-26-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1048-25-0x0000000002010000-0x0000000002016000-memory.dmp

memory/1124-24-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1948-22-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

memory/1164-20-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

memory/1124-18-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1948-31-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1948-30-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

memory/1996-32-0x0000000000160000-0x0000000000166000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 19:17

Reported

2024-11-20 19:19

Platform

win10v2004-20241007-en

Max time kernel

106s

Max time network

96s

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D1092938 = "C:\\Users\\Admin\\AppData\\Roaming\\D1092938\\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:\Windows\SysWOW64\winver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.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

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe

"C:\Users\Admin\AppData\Local\Temp\7615d1a49805f8d953d9b4b38d6fa18af5bb7c1df5af4c23f926d973fc88e077N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 396 -ip 396

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 40.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 41.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/1692-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

memory/3500-1-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

memory/3500-2-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

memory/1692-3-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/3500-6-0x00007FFF641EC000-0x00007FFF641ED000-memory.dmp

memory/3500-5-0x00007FFF641ED000-0x00007FFF641EE000-memory.dmp

memory/396-4-0x0000000077CF2000-0x0000000077CF3000-memory.dmp

memory/396-7-0x00007FFF64150000-0x00007FFF64345000-memory.dmp

memory/1692-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1692-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/396-11-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/2676-13-0x0000000000DB0000-0x0000000000DB6000-memory.dmp

memory/396-14-0x00000000005A0000-0x00000000005A6000-memory.dmp