Malware Analysis Report

2025-01-19 07:38

Sample ID 241102-vt64kszmht
Target b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N
SHA256 b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085
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

b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085

Threat Level: Known bad

The file b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N 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

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of UnmapMainImage

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-02 17:17

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

2024-11-02 17:17

Reported

2024-11-02 17:20

Platform

win7-20240903-en

Max time kernel

119s

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\1C6FC7B1 = "C:\\Users\\Admin\\AppData\\Roaming\\1C6FC7B1\\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\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.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
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.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\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe

"C:\Users\Admin\AppData\Local\Temp\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.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/2496-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2496-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1160-4-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

memory/1160-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

memory/1160-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

memory/2496-5-0x0000000001C50000-0x0000000002650000-memory.dmp

memory/1160-10-0x0000000077121000-0x0000000077122000-memory.dmp

memory/2288-9-0x00000000772CF000-0x00000000772D1000-memory.dmp

memory/2288-8-0x00000000772CF000-0x00000000772D0000-memory.dmp

memory/2288-11-0x00000000770D0000-0x0000000077279000-memory.dmp

memory/2288-7-0x00000000772D0000-0x00000000772D1000-memory.dmp

memory/2288-6-0x00000000001E0000-0x00000000001E6000-memory.dmp

memory/2496-12-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2496-13-0x0000000001C50000-0x0000000002650000-memory.dmp

memory/1080-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1436-30-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

memory/1436-31-0x0000000077121000-0x0000000077122000-memory.dmp

memory/2288-29-0x00000000001E0000-0x00000000001E6000-memory.dmp

memory/1436-24-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

memory/1160-22-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1160-28-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1048-27-0x0000000000220000-0x0000000000226000-memory.dmp

memory/1080-26-0x0000000077121000-0x0000000077122000-memory.dmp

memory/1080-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-02 17:17

Reported

2024-11-02 17:20

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

107s

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AC6B19E5 = "C:\\Users\\Admin\\AppData\\Roaming\\AC6B19E5\\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\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.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\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe

"C:\Users\Admin\AppData\Local\Temp\b50475628568663d912a381ff7021b57be91cee616e3398bfef348963ed07085N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4880 -ip 4880

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4880 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 101.11.19.2.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 70.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/1796-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1796-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3512-2-0x0000000001220000-0x0000000001226000-memory.dmp

memory/3512-3-0x0000000001220000-0x0000000001226000-memory.dmp

memory/1796-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

memory/3512-6-0x00007FFD4D60D000-0x00007FFD4D60E000-memory.dmp

memory/4880-5-0x0000000002830000-0x0000000002836000-memory.dmp

memory/4880-7-0x00007FFD4D570000-0x00007FFD4D765000-memory.dmp

memory/1796-9-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1796-10-0x00000000021D0000-0x0000000002BD0000-memory.dmp

memory/3512-11-0x00007FFD4D7A0000-0x00007FFD4D7A1000-memory.dmp

memory/2648-15-0x00000000007F0000-0x00000000007F6000-memory.dmp

memory/4880-16-0x0000000002830000-0x0000000002836000-memory.dmp

memory/2648-18-0x00007FFD4D790000-0x00007FFD4D791000-memory.dmp