Malware Analysis Report

2025-01-19 07:39

Sample ID 241114-h6m51svmhz
Target 32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe
SHA256 78adb1f3877be81f8aab97d12e0a00b44796b9874290512d7bdf68d154123104
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

78adb1f3877be81f8aab97d12e0a00b44796b9874290512d7bdf68d154123104

Threat Level: Known bad

The file 32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.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

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Modifies registry class

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 07:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 07:21

Reported

2024-11-14 07:23

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\69CBA1D8 = "C:\\Users\\Admin\\AppData\\Roaming\\69CBA1D8\\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:\Windows\SysWOW64\winver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.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\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe

"C:\Users\Admin\AppData\Local\Temp\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.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/2068-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1164-3-0x0000000002F00000-0x0000000002F06000-memory.dmp

memory/1164-2-0x0000000002F00000-0x0000000002F06000-memory.dmp

memory/1164-1-0x0000000002F00000-0x0000000002F06000-memory.dmp

memory/2068-4-0x0000000001CB0000-0x00000000026B0000-memory.dmp

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

memory/2512-10-0x0000000077040000-0x00000000771E9000-memory.dmp

memory/2512-8-0x000000007723F000-0x0000000077241000-memory.dmp

memory/2512-7-0x000000007723F000-0x0000000077240000-memory.dmp

memory/2512-6-0x0000000077240000-0x0000000077241000-memory.dmp

memory/2512-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/2068-11-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2068-12-0x0000000001CB0000-0x00000000026B0000-memory.dmp

memory/1948-25-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

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

memory/1124-30-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1124-29-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1164-28-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

memory/1048-27-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1048-26-0x0000000002010000-0x0000000002016000-memory.dmp

memory/1048-22-0x0000000077091000-0x0000000077092000-memory.dmp

memory/1164-21-0x0000000002EB0000-0x0000000002EB6000-memory.dmp

memory/1124-19-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1948-32-0x0000000077091000-0x0000000077092000-memory.dmp

memory/2512-33-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1948-34-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

memory/1124-36-0x0000000000130000-0x0000000000136000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 07:21

Reported

2024-11-14 07:23

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

102s

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4E1E9CF9 = "C:\\Users\\Admin\\AppData\\Roaming\\4E1E9CF9\\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\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Windows\Explorer.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
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeShutdownPrivilege N/A C:\Windows\Explorer.EXE N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\Explorer.EXE N/A
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
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:\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\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe

"C:\Users\Admin\AppData\Local\Temp\32c1dc91baf6b1cded2c083f2df127d6bf412fe601f66e5facbf9b1ee622a398N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4796 -ip 4796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4796 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/1388-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/3432-1-0x00000000008E0000-0x00000000008E6000-memory.dmp

memory/3432-2-0x00000000008E0000-0x00000000008E6000-memory.dmp

memory/1388-3-0x0000000002200000-0x0000000002C00000-memory.dmp

memory/3432-5-0x00007FFE8272D000-0x00007FFE8272E000-memory.dmp

memory/4796-4-0x0000000077D52000-0x0000000077D53000-memory.dmp

memory/4796-6-0x00007FFE82690000-0x00007FFE82885000-memory.dmp

memory/3432-7-0x00007FFE828C0000-0x00007FFE828C1000-memory.dmp

memory/1388-8-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1388-9-0x0000000002200000-0x0000000002C00000-memory.dmp

memory/3432-10-0x00007FFE828A0000-0x00007FFE828A1000-memory.dmp

memory/4796-12-0x0000000000A50000-0x0000000000A56000-memory.dmp

memory/3000-14-0x0000000000E20000-0x0000000000E26000-memory.dmp

memory/4796-15-0x0000000000A50000-0x0000000000A56000-memory.dmp