Malware Analysis Report

2025-01-19 07:40

Sample ID 241121-bxy3laskfp
Target d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
SHA256 d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215
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

d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215

Threat Level: Known bad

The file d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.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

Suspicious use of SetThreadContext

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 01:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 01:32

Reported

2024-11-21 01:34

Platform

win7-20240903-en

Max time kernel

119s

Max time network

118s

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\AC1DBDD0 = "C:\\Users\\Admin\\AppData\\Roaming\\AC1DBDD0\\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:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 2084 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 2084 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 2084 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 2084 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 2084 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 2084 wrote to memory of 2984 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 2984 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 2984 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 2984 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 2984 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 2984 wrote to memory of 3028 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 3028 wrote to memory of 1192 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 3028 wrote to memory of 1104 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 3028 wrote to memory of 1160 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 3028 wrote to memory of 1192 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 3028 wrote to memory of 1388 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe

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\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe

"C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe"

C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe

"C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 recdataoneveter.cc udp
US 216.218.185.162:80 recdataoneveter.cc tcp

Files

memory/2984-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/1192-8-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/3028-7-0x0000000000241000-0x0000000000242000-memory.dmp

memory/3028-5-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1192-4-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/1192-3-0x0000000002AB0000-0x0000000002AB6000-memory.dmp

memory/1192-10-0x0000000077231000-0x0000000077232000-memory.dmp

memory/3028-9-0x0000000000240000-0x0000000000256000-memory.dmp

memory/1388-36-0x0000000077231000-0x0000000077232000-memory.dmp

memory/1388-35-0x0000000077231000-0x0000000077232000-memory.dmp

memory/1388-34-0x0000000077231000-0x0000000077232000-memory.dmp

memory/1388-33-0x0000000001F30000-0x0000000001F36000-memory.dmp

memory/1388-32-0x0000000077231000-0x0000000077232000-memory.dmp

memory/1192-31-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

memory/1104-30-0x0000000077231000-0x0000000077232000-memory.dmp

memory/1104-29-0x0000000002170000-0x0000000002176000-memory.dmp

memory/1160-28-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

memory/3028-27-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/3028-26-0x0000000000210000-0x0000000000216000-memory.dmp

memory/1388-23-0x0000000001F30000-0x0000000001F36000-memory.dmp

memory/1192-20-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

memory/1160-17-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

memory/1104-15-0x0000000002170000-0x0000000002176000-memory.dmp

memory/3028-37-0x00000000771E0000-0x0000000077389000-memory.dmp

memory/1388-40-0x0000000001F30000-0x0000000001F36000-memory.dmp

memory/3028-43-0x0000000000210000-0x0000000000216000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 01:32

Reported

2024-11-21 01:34

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

96s

Command Line

sihost.exe

Signatures

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\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4940 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 4940 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 4940 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 4940 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 4940 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 4940 wrote to memory of 3144 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe
PID 3144 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 3144 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 3144 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 3144 wrote to memory of 1308 N/A C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe C:\Windows\SysWOW64\winver.exe
PID 1308 wrote to memory of 3444 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1308 wrote to memory of 3040 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\sihost.exe

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe

"C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe"

C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe

"C:\Users\Admin\AppData\Local\Temp\d3fd954c1f5eec440d23a1e236cb6ff7c2ef1382206423081261d4707b321215.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1308 -ip 1308

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1308 -s 400

Network

Country Destination Domain Proto
US 8.8.8.8:53 recdataoneveter.cc udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp

Files

memory/3144-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/3444-6-0x0000000002820000-0x0000000002826000-memory.dmp

memory/1308-4-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/1308-7-0x00000000005B1000-0x00000000005B2000-memory.dmp

memory/3444-10-0x00007FFCD48ED000-0x00007FFCD48EE000-memory.dmp

memory/1308-9-0x00000000778B2000-0x00000000778B3000-memory.dmp

memory/1308-8-0x00000000005B0000-0x00000000005C2000-memory.dmp

memory/3444-3-0x0000000002820000-0x0000000002826000-memory.dmp

memory/3040-13-0x0000000000020000-0x0000000000026000-memory.dmp

memory/3040-14-0x0000000000020000-0x0000000000026000-memory.dmp

memory/1308-15-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/3040-17-0x00007FFCD4A70000-0x00007FFCD4A71000-memory.dmp