Malware Analysis Report

2025-01-19 07:38

Sample ID 241106-hlg39swbke
Target 41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N
SHA256 41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113
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

41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113

Threat Level: Known bad

The file 41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N was found to be: Known bad.

Malicious Activity Summary

upx tinba banker discovery persistence trojan

Tinba family

Tinba / TinyBanker

Adds Run key to start application

UPX packed file

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 06:49

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

2024-11-06 06:49

Reported

2024-11-06 06:51

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\E5DBD9C7 = "C:\\Users\\Admin\\AppData\\Roaming\\E5DBD9C7\\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\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.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\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe

"C:\Users\Admin\AppData\Local\Temp\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.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/2924-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2924-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1152-4-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1152-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1152-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/2924-5-0x0000000001C10000-0x0000000002610000-memory.dmp

memory/1704-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1704-11-0x0000000076E60000-0x0000000077009000-memory.dmp

memory/1152-10-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

memory/1704-9-0x000000007705F000-0x0000000077061000-memory.dmp

memory/1704-8-0x000000007705F000-0x0000000077060000-memory.dmp

memory/1704-7-0x0000000077060000-0x0000000077061000-memory.dmp

memory/2924-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2924-13-0x0000000001C10000-0x0000000002610000-memory.dmp

memory/1152-21-0x0000000002140000-0x0000000002146000-memory.dmp

memory/1784-23-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

memory/1076-19-0x0000000002000000-0x0000000002006000-memory.dmp

memory/1068-25-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

memory/1068-24-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

memory/1076-26-0x0000000002000000-0x0000000002006000-memory.dmp

memory/1152-27-0x0000000002140000-0x0000000002146000-memory.dmp

memory/1784-28-0x0000000001DD0000-0x0000000001DD6000-memory.dmp

memory/1784-29-0x0000000076EB1000-0x0000000076EB2000-memory.dmp

memory/1704-30-0x00000000000F0000-0x00000000000F6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 06:49

Reported

2024-11-06 06:51

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

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\A0DE3521 = "C:\\Users\\Admin\\AppData\\Roaming\\A0DE3521\\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:\Windows\SysWOW64\winver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.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\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe

"C:\Users\Admin\AppData\Local\Temp\41d6e6f8d40b6e36e0299a25e8ca9a58e1398e98f1d7dc7225ffe5fe28fec113N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3712 -ip 3712

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/4120-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4120-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/3568-2-0x0000000000800000-0x0000000000806000-memory.dmp

memory/3568-3-0x0000000000800000-0x0000000000806000-memory.dmp

memory/3568-6-0x00007FFB010AD000-0x00007FFB010AE000-memory.dmp

memory/3712-5-0x00000000776C2000-0x00000000776C3000-memory.dmp

memory/4120-4-0x0000000002350000-0x0000000002D50000-memory.dmp

memory/3712-7-0x00007FFB01010000-0x00007FFB01205000-memory.dmp

memory/3568-8-0x00007FFB01240000-0x00007FFB01241000-memory.dmp

memory/4120-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4120-10-0x0000000002350000-0x0000000002D50000-memory.dmp

memory/3712-12-0x00000000021B0000-0x00000000021B6000-memory.dmp

memory/2704-14-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/2704-15-0x00007FFB010AD000-0x00007FFB010AE000-memory.dmp

memory/3712-16-0x00000000021B0000-0x00000000021B6000-memory.dmp

memory/2704-17-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/2704-18-0x00007FFB01230000-0x00007FFB01231000-memory.dmp