Malware Analysis Report

2025-01-19 07:40

Sample ID 241121-bvma1sxbpf
Target 683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe
SHA256 683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c
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

683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c

Threat Level: Known bad

The file 683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.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

Unsigned PE

System Location Discovery: System Language Discovery

Program crash

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 01:27

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

2024-11-21 01:27

Reported

2024-11-21 01:30

Platform

win7-20240903-en

Max time kernel

118s

Max time network

122s

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\0038DB54 = "C:\\Users\\Admin\\AppData\\Roaming\\0038DB54\\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\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.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\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe

"C:\Users\Admin\AppData\Local\Temp\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.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/2616-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2616-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1220-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/1220-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/1220-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/2616-5-0x0000000001C60000-0x0000000002660000-memory.dmp

memory/1052-11-0x00000000773A0000-0x0000000077549000-memory.dmp

memory/1220-10-0x00000000773F1000-0x00000000773F2000-memory.dmp

memory/1052-9-0x000000007759F000-0x00000000775A1000-memory.dmp

memory/1052-8-0x000000007759F000-0x00000000775A0000-memory.dmp

memory/1052-7-0x00000000775A0000-0x00000000775A1000-memory.dmp

memory/1052-6-0x0000000000170000-0x0000000000176000-memory.dmp

memory/2616-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2616-13-0x0000000001C60000-0x0000000002660000-memory.dmp

memory/632-24-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

memory/1220-21-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/1172-19-0x00000000002B0000-0x00000000002B6000-memory.dmp

memory/1100-25-0x0000000000350000-0x0000000000356000-memory.dmp

memory/1100-26-0x00000000773F1000-0x00000000773F2000-memory.dmp

memory/1172-27-0x00000000002B0000-0x00000000002B6000-memory.dmp

memory/1220-28-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/632-29-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

memory/632-30-0x00000000773F1000-0x00000000773F2000-memory.dmp

memory/1052-31-0x0000000000170000-0x0000000000176000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 01:27

Reported

2024-11-21 01:30

Platform

win10v2004-20241007-en

Max time kernel

114s

Max time network

98s

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1301DD1F = "C:\\Users\\Admin\\AppData\\Roaming\\1301DD1F\\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\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.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

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe

"C:\Users\Admin\AppData\Local\Temp\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 184 -ip 184

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 184 -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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

memory/464-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/464-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

memory/3444-3-0x0000000001150000-0x0000000001156000-memory.dmp

memory/3444-2-0x0000000001150000-0x0000000001156000-memory.dmp

memory/464-4-0x0000000002240000-0x0000000002C40000-memory.dmp

memory/3444-6-0x00007FFDA048D000-0x00007FFDA048E000-memory.dmp

memory/184-5-0x0000000077502000-0x0000000077503000-memory.dmp

memory/184-7-0x00007FFDA03F0000-0x00007FFDA05E5000-memory.dmp

memory/464-8-0x0000000000400000-0x0000000000428000-memory.dmp

memory/464-9-0x0000000002240000-0x0000000002C40000-memory.dmp

memory/184-11-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/2648-13-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/184-14-0x00000000024F0000-0x00000000024F6000-memory.dmp