Malware Analysis Report

2025-01-19 07:40

Sample ID 241117-m9sl5ayfkj
Target 696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe
SHA256 696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632
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

696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632

Threat Level: Known bad

The file 696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.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

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of UnmapMainImage

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 11:10

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 11:10

Reported

2024-11-17 11:12

Platform

win7-20240903-en

Max time kernel

120s

Max time network

119s

Command Line

"C:\Windows\system32\Dwm.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\A042ACB8 = "C:\\Users\\Admin\\AppData\\Roaming\\A042ACB8\\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\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.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\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.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\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe

"C:\Users\Admin\AppData\Local\Temp\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.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/2156-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2156-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1128-3-0x0000000002570000-0x0000000002576000-memory.dmp

memory/1128-4-0x0000000002570000-0x0000000002576000-memory.dmp

memory/1128-2-0x0000000002570000-0x0000000002576000-memory.dmp

memory/2156-5-0x0000000001C80000-0x0000000002680000-memory.dmp

memory/1128-10-0x0000000077531000-0x0000000077532000-memory.dmp

memory/2136-11-0x00000000774E0000-0x0000000077689000-memory.dmp

memory/2136-9-0x00000000776DF000-0x00000000776E1000-memory.dmp

memory/2136-8-0x00000000776DF000-0x00000000776E0000-memory.dmp

memory/2136-7-0x00000000776E0000-0x00000000776E1000-memory.dmp

memory/2136-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/2156-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2156-13-0x0000000001C80000-0x0000000002680000-memory.dmp

memory/2004-25-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

memory/1128-29-0x0000000002180000-0x0000000002186000-memory.dmp

memory/2004-31-0x0000000077531000-0x0000000077532000-memory.dmp

memory/2004-30-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

memory/1068-28-0x0000000001F40000-0x0000000001F46000-memory.dmp

memory/1044-27-0x0000000077531000-0x0000000077532000-memory.dmp

memory/1044-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1128-23-0x0000000002180000-0x0000000002186000-memory.dmp

memory/1068-21-0x0000000001F40000-0x0000000001F46000-memory.dmp

memory/2136-32-0x00000000001A0000-0x00000000001A6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 11:10

Reported

2024-11-17 11:13

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

97s

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\54810340 = "C:\\Users\\Admin\\AppData\\Roaming\\54810340\\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\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.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\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe

"C:\Users\Admin\AppData\Local\Temp\696294bbf0c2aa9c3f837134634983348056d02b2609ac42c4ad7f09c6e9a632.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4124 -ip 4124

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 356

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

memory/4544-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4544-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3536-3-0x0000000003170000-0x0000000003176000-memory.dmp

memory/3536-2-0x0000000003170000-0x0000000003176000-memory.dmp

memory/4544-4-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/4124-5-0x0000000076F12000-0x0000000076F13000-memory.dmp

memory/3536-6-0x00007FF85ADED000-0x00007FF85ADEE000-memory.dmp

memory/4124-7-0x00007FF85AD50000-0x00007FF85AF45000-memory.dmp

memory/4544-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4544-9-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/3536-10-0x00007FF85AF80000-0x00007FF85AF81000-memory.dmp

memory/4124-12-0x00000000009D0000-0x00000000009D6000-memory.dmp

memory/2476-14-0x00000000005F0000-0x00000000005F6000-memory.dmp

memory/4124-15-0x00000000009D0000-0x00000000009D6000-memory.dmp