Malware Analysis Report

2025-01-19 07:40

Sample ID 241118-p1xktswpez
Target 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe
SHA256 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04
Tags
upx 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

7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04

Threat Level: Known bad

The file 7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe was found to be: Known bad.

Malicious Activity Summary

upx tinba banker discovery persistence trojan

Tinba / TinyBanker

Tinba family

Adds Run key to start application

UPX packed file

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 12:48

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 12:48

Reported

2024-11-18 12:50

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\D7BD19E0 = "C:\\Users\\Admin\\AppData\\Roaming\\D7BD19E0\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A 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\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.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\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe

"C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.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/2380-13-0x0000000001C50000-0x0000000002650000-memory.dmp

memory/2380-12-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1728-11-0x0000000077600000-0x00000000777A9000-memory.dmp

memory/1196-10-0x0000000077651000-0x0000000077652000-memory.dmp

memory/1728-9-0x00000000777FF000-0x0000000077801000-memory.dmp

memory/1728-8-0x00000000777FF000-0x0000000077800000-memory.dmp

memory/1728-7-0x0000000077800000-0x0000000077801000-memory.dmp

memory/1728-6-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/2380-5-0x0000000001C50000-0x0000000002650000-memory.dmp

memory/1196-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1196-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1196-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/2380-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2380-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1624-24-0x0000000001C00000-0x0000000001C06000-memory.dmp

memory/1196-22-0x00000000025F0000-0x00000000025F6000-memory.dmp

memory/1100-26-0x0000000077651000-0x0000000077652000-memory.dmp

memory/1100-25-0x00000000003A0000-0x00000000003A6000-memory.dmp

memory/1152-20-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1152-27-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1196-28-0x00000000025F0000-0x00000000025F6000-memory.dmp

memory/1624-30-0x0000000077651000-0x0000000077652000-memory.dmp

memory/1624-29-0x0000000001C00000-0x0000000001C06000-memory.dmp

memory/1728-31-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/1100-32-0x00000000003A0000-0x00000000003A6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 12:48

Reported

2024-11-18 12:51

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

148s

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\BC754CC8 = "C:\\Users\\Admin\\AppData\\Roaming\\BC754CC8\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A 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\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.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\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe

"C:\Users\Admin\AppData\Local\Temp\7eae6da5597fcb890e8d1921027ed8e2fedb8a62f6481790b827b14b2f821d04.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3644 -ip 3644

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4016-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4016-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3376-2-0x0000000000370000-0x0000000000376000-memory.dmp

memory/3376-3-0x0000000000370000-0x0000000000376000-memory.dmp

memory/4016-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

memory/3376-6-0x00007FFE0CE2D000-0x00007FFE0CE2E000-memory.dmp

memory/3644-5-0x0000000077192000-0x0000000077193000-memory.dmp

memory/3644-7-0x00007FFE0CD90000-0x00007FFE0CF85000-memory.dmp

memory/4016-10-0x00000000021C0000-0x0000000002BC0000-memory.dmp

memory/4016-9-0x0000000000400000-0x000000000041E000-memory.dmp

memory/3376-11-0x00007FFE0CFC0000-0x00007FFE0CFC1000-memory.dmp

memory/3376-12-0x00007FFE0CFA0000-0x00007FFE0CFA1000-memory.dmp

memory/3644-14-0x0000000002180000-0x0000000002186000-memory.dmp

memory/2584-16-0x0000000000C70000-0x0000000000C76000-memory.dmp

memory/3644-17-0x0000000002180000-0x0000000002186000-memory.dmp