Malware Analysis Report

2025-01-19 07:39

Sample ID 241120-fh6w4ssbrq
Target e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6
SHA256 e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6
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

e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6

Threat Level: Known bad

The file e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6 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

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 04:53

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

2024-11-20 04:53

Reported

2024-11-20 04:55

Platform

win7-20240903-en

Max time kernel

149s

Max time network

150s

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\5768D0F0 = "C:\\Users\\Admin\\AppData\\Roaming\\5768D0F0\\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\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.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:\Users\Admin\AppData\Local\Temp\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe

"C:\Users\Admin\AppData\Local\Temp\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.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/2092-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2092-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1192-2-0x0000000002E10000-0x0000000002E16000-memory.dmp

memory/1192-3-0x0000000002E10000-0x0000000002E16000-memory.dmp

memory/1192-4-0x0000000002E10000-0x0000000002E16000-memory.dmp

memory/2092-5-0x0000000001E40000-0x0000000002840000-memory.dmp

memory/1192-10-0x0000000077271000-0x0000000077272000-memory.dmp

memory/288-9-0x000000007741F000-0x0000000077421000-memory.dmp

memory/288-8-0x000000007741F000-0x0000000077420000-memory.dmp

memory/288-7-0x0000000077420000-0x0000000077421000-memory.dmp

memory/288-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/288-11-0x0000000077220000-0x00000000773C9000-memory.dmp

memory/2092-12-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2092-13-0x0000000001E40000-0x0000000002840000-memory.dmp

memory/1100-23-0x0000000077271000-0x0000000077272000-memory.dmp

memory/1100-22-0x0000000077271000-0x0000000077272000-memory.dmp

memory/1192-21-0x00000000025D0000-0x00000000025D6000-memory.dmp

memory/1160-19-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1100-24-0x0000000000290000-0x0000000000296000-memory.dmp

memory/1100-25-0x0000000077271000-0x0000000077272000-memory.dmp

memory/1160-26-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1192-27-0x00000000025D0000-0x00000000025D6000-memory.dmp

memory/288-28-0x0000000000120000-0x0000000000126000-memory.dmp

memory/288-32-0x00000000001B0000-0x00000000001B1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 04:53

Reported

2024-11-20 04:55

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

138s

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\46E32563 = "C:\\Users\\Admin\\AppData\\Roaming\\46E32563\\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\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.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\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe

"C:\Users\Admin\AppData\Local\Temp\e38e5f1590d43fc212f4778fbcf0a795e8dda5b65b9cb5fea0524f9aae6ca3e6.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4028 -ip 4028

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 352

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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 134.71.91.104.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/1144-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1144-1-0x00000000005E0000-0x00000000005E1000-memory.dmp

memory/3452-3-0x0000000000870000-0x0000000000876000-memory.dmp

memory/3452-2-0x0000000000870000-0x0000000000876000-memory.dmp

memory/1144-4-0x0000000002350000-0x0000000002D50000-memory.dmp

memory/4028-5-0x0000000076F42000-0x0000000076F43000-memory.dmp

memory/3452-6-0x00007FFBE29ED000-0x00007FFBE29EE000-memory.dmp

memory/4028-7-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

memory/3452-8-0x00007FFBE2B80000-0x00007FFBE2B81000-memory.dmp

memory/1144-10-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1144-11-0x0000000002350000-0x0000000002D50000-memory.dmp

memory/4028-13-0x0000000000EF0000-0x0000000000EF6000-memory.dmp

memory/2976-15-0x0000000000F50000-0x0000000000F56000-memory.dmp

memory/4028-16-0x0000000000EF0000-0x0000000000EF6000-memory.dmp