Malware Analysis Report

2025-01-19 07:39

Sample ID 241119-zlscnssjhz
Target 63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.exe
SHA256 63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18
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

63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18

Threat Level: Known bad

The file 63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.exe 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 WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-19 20:48

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-19 20:48

Reported

2024-11-19 20:50

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\A843A85C = "C:\\Users\\Admin\\AppData\\Roaming\\A843A85C\\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\63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.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

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\63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.exe

"C:\Users\Admin\AppData\Local\Temp\63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.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/2380-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1160-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1160-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1160-1-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/2380-4-0x0000000001C90000-0x0000000002690000-memory.dmp

memory/1160-9-0x0000000077341000-0x0000000077342000-memory.dmp

memory/2104-8-0x00000000774EF000-0x00000000774F1000-memory.dmp

memory/2104-7-0x00000000774EF000-0x00000000774F0000-memory.dmp

memory/2104-6-0x00000000774F0000-0x00000000774F1000-memory.dmp

memory/2104-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/2104-10-0x00000000772F0000-0x0000000077499000-memory.dmp

memory/2380-11-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2380-12-0x0000000001C90000-0x0000000002690000-memory.dmp

memory/1160-20-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

memory/1972-22-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/1972-29-0x0000000077341000-0x0000000077342000-memory.dmp

memory/1972-28-0x00000000002F0000-0x00000000002F6000-memory.dmp

memory/2104-27-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1160-26-0x0000000002CC0000-0x0000000002CC6000-memory.dmp

memory/1088-25-0x0000000002090000-0x0000000002096000-memory.dmp

memory/1080-24-0x0000000077341000-0x0000000077342000-memory.dmp

memory/1080-23-0x0000000000260000-0x0000000000266000-memory.dmp

memory/1088-18-0x0000000002090000-0x0000000002096000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-19 20:48

Reported

2024-11-19 20:50

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

94s

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\551D84DA = "C:\\Users\\Admin\\AppData\\Roaming\\551D84DA\\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\63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.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\63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.exe

"C:\Users\Admin\AppData\Local\Temp\63382feb17b196b35161e9e49b8bd3a746c56fc4f1d1dae0dcecbb5097df5a18.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4188 -ip 4188

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 182.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/3016-0-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3412-2-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

memory/3412-1-0x0000000002AA0000-0x0000000002AA6000-memory.dmp

memory/3016-3-0x00000000021E0000-0x0000000002BE0000-memory.dmp

memory/3412-6-0x00007FFD327EC000-0x00007FFD327ED000-memory.dmp

memory/3412-5-0x00007FFD327ED000-0x00007FFD327EE000-memory.dmp

memory/4188-4-0x0000000076F32000-0x0000000076F33000-memory.dmp

memory/4188-7-0x00007FFD32750000-0x00007FFD32945000-memory.dmp

memory/3016-8-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3016-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

memory/3412-10-0x00007FFD32980000-0x00007FFD32981000-memory.dmp

memory/4188-12-0x00000000005F0000-0x00000000005F6000-memory.dmp

memory/2868-14-0x0000000000120000-0x0000000000126000-memory.dmp

memory/4188-15-0x00000000005F0000-0x00000000005F6000-memory.dmp