Malware Analysis Report

2025-01-19 07:39

Sample ID 241120-fmyfjawncp
Target 0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.exe
SHA256 0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97
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

0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97

Threat Level: Known bad

The file 0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.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

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of UnmapMainImage

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-20 05:00

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-20 05:00

Reported

2024-11-20 05:02

Platform

win7-20241010-en

Max time kernel

119s

Max time network

125s

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\8C4AEB9A = "C:\\Users\\Admin\\AppData\\Roaming\\8C4AEB9A\\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\0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.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\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\0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.exe

"C:\Users\Admin\AppData\Local\Temp\0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.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/3012-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/3012-4-0x0000000001DC0000-0x00000000027C0000-memory.dmp

memory/1188-3-0x0000000001D10000-0x0000000001D16000-memory.dmp

memory/1188-2-0x0000000001D10000-0x0000000001D16000-memory.dmp

memory/1188-1-0x0000000001D10000-0x0000000001D16000-memory.dmp

memory/2436-10-0x0000000077B10000-0x0000000077CB9000-memory.dmp

memory/1188-9-0x0000000077B61000-0x0000000077B62000-memory.dmp

memory/2436-8-0x0000000077D0F000-0x0000000077D11000-memory.dmp

memory/2436-7-0x0000000077D0F000-0x0000000077D10000-memory.dmp

memory/2436-6-0x0000000077D10000-0x0000000077D11000-memory.dmp

memory/2436-5-0x0000000000140000-0x0000000000146000-memory.dmp

memory/3012-11-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3012-12-0x0000000001DC0000-0x00000000027C0000-memory.dmp

memory/1164-26-0x0000000000130000-0x0000000000136000-memory.dmp

memory/2436-28-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1188-27-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

memory/1112-25-0x0000000077B61000-0x0000000077B62000-memory.dmp

memory/1112-24-0x0000000001C40000-0x0000000001C46000-memory.dmp

memory/1644-23-0x0000000001E50000-0x0000000001E56000-memory.dmp

memory/1188-21-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

memory/1164-19-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1644-29-0x0000000001E50000-0x0000000001E56000-memory.dmp

memory/1644-30-0x0000000077B61000-0x0000000077B62000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-20 05:00

Reported

2024-11-20 05:02

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

100s

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\01129136 = "C:\\Users\\Admin\\AppData\\Roaming\\01129136\\bin.exe" C:\Windows\SysWOW64\winver.exe 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\0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.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
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\0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.exe

"C:\Users\Admin\AppData\Local\Temp\0a1557a9f2705d32474eaada9b0665e5127db40e975d9380a9a0be0123b7aa97N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 396 -ip 396

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 396 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp

Files

memory/3984-0-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3984-1-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/396-2-0x0000000002790000-0x0000000002796000-memory.dmp

memory/3488-4-0x0000000001290000-0x0000000001296000-memory.dmp

memory/3488-5-0x00007FFDF0E4D000-0x00007FFDF0E4E000-memory.dmp

memory/396-6-0x00007FFDF0DB0000-0x00007FFDF0FA5000-memory.dmp

memory/3984-7-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3984-8-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/3488-9-0x00007FFDF0FE0000-0x00007FFDF0FE1000-memory.dmp

memory/3488-10-0x00007FFDF0FC0000-0x00007FFDF0FC1000-memory.dmp

memory/396-12-0x0000000002790000-0x0000000002796000-memory.dmp

memory/2652-14-0x0000000000E60000-0x0000000000E66000-memory.dmp

memory/396-15-0x0000000002790000-0x0000000002796000-memory.dmp