Malware Analysis Report

2025-01-19 07:40

Sample ID 241117-v42lvazjdj
Target 7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe
SHA256 7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553
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

7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553

Threat Level: Known bad

The file 7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.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

Enumerates physical storage devices

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 17:33

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-17 17:33

Reported

2024-11-17 17:35

Platform

win7-20240903-en

Max time kernel

120s

Max time network

115s

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\0BB81C83 = "C:\\Users\\Admin\\AppData\\Roaming\\0BB81C83\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Enumerates physical storage devices

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\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.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

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\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe

"C:\Users\Admin\AppData\Local\Temp\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

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

Files

memory/1200-1-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

memory/1084-4-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1200-3-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

memory/1200-6-0x0000000002CE0000-0x0000000002CE6000-memory.dmp

memory/1924-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1168-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1120-11-0x0000000000390000-0x0000000000396000-memory.dmp

memory/1200-17-0x0000000002D00000-0x0000000002D06000-memory.dmp

memory/1084-23-0x0000000000260000-0x0000000000266000-memory.dmp

memory/1500-20-0x0000000001E10000-0x0000000001E16000-memory.dmp

memory/1500-27-0x0000000001E10000-0x0000000001E16000-memory.dmp

memory/1168-26-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1200-25-0x0000000002D00000-0x0000000002D06000-memory.dmp

memory/1120-24-0x0000000000390000-0x0000000000396000-memory.dmp

memory/1084-29-0x0000000000260000-0x0000000000266000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 17:33

Reported

2024-11-17 17:35

Platform

win10v2004-20241007-en

Max time kernel

120s

Max time network

98s

Command Line

sihost.exe

Signatures

Enumerates physical storage devices

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\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" C:\Windows\System32\svchost.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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.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\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe

"C:\Users\Admin\AppData\Local\Temp\7709f1048342d8c231c0d91bc007f13af3b76b9f411470b72cc4639deb33e553.exe"

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 192 -p 720 -ip 720

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 720 -s 304

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 836 -ip 836

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 836 -s 948

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.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 56.163.245.4.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 48.229.111.52.in-addr.arpa udp

Files

memory/836-1-0x0000000004640000-0x0000000004C98000-memory.dmp

memory/836-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

memory/836-3-0x0000000004640000-0x0000000004C98000-memory.dmp

memory/3424-5-0x0000000001260000-0x0000000001266000-memory.dmp

memory/3424-6-0x0000000001260000-0x0000000001266000-memory.dmp

memory/836-7-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3424-10-0x0000000001430000-0x0000000001436000-memory.dmp

memory/836-11-0x0000000005A90000-0x0000000006490000-memory.dmp

memory/2652-13-0x00000000004B0000-0x00000000004B6000-memory.dmp

memory/836-15-0x0000000005A90000-0x0000000006490000-memory.dmp

memory/836-18-0x0000000004640000-0x0000000004C98000-memory.dmp

memory/2652-19-0x00000000004B0000-0x00000000004B6000-memory.dmp