Malware Analysis Report

2025-01-19 07:41

Sample ID 241105-g1fy3swekf
Target 30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N
SHA256 30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7
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

30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7

Threat Level: Known bad

The file 30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba family

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Modifies registry class

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-05 06:16

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-05 06:16

Reported

2024-11-05 06:18

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\88C34D90 = "C:\\Users\\Admin\\AppData\\Roaming\\88C34D90\\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\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.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\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe

"C:\Users\Admin\AppData\Local\Temp\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.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/2460-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1204-2-0x0000000002D40000-0x0000000002D46000-memory.dmp

memory/1204-3-0x0000000002D40000-0x0000000002D46000-memory.dmp

memory/1204-1-0x0000000002D40000-0x0000000002D46000-memory.dmp

memory/2460-4-0x0000000001D60000-0x0000000002760000-memory.dmp

memory/2444-5-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/2444-10-0x0000000076EC0000-0x0000000077069000-memory.dmp

memory/1204-9-0x0000000076F11000-0x0000000076F12000-memory.dmp

memory/2444-8-0x00000000770BF000-0x00000000770C1000-memory.dmp

memory/2444-7-0x00000000770BF000-0x00000000770C0000-memory.dmp

memory/2444-6-0x00000000770C0000-0x00000000770C1000-memory.dmp

memory/2460-11-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2460-12-0x0000000001D60000-0x0000000002760000-memory.dmp

memory/1168-19-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1512-23-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

memory/1204-21-0x0000000002D30000-0x0000000002D36000-memory.dmp

memory/1512-28-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

memory/1512-31-0x0000000076F11000-0x0000000076F12000-memory.dmp

memory/1204-30-0x0000000002D30000-0x0000000002D36000-memory.dmp

memory/1512-29-0x0000000076F11000-0x0000000076F12000-memory.dmp

memory/1168-27-0x0000000000130000-0x0000000000136000-memory.dmp

memory/2444-26-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1108-25-0x0000000076F11000-0x0000000076F12000-memory.dmp

memory/1108-24-0x0000000001F10000-0x0000000001F16000-memory.dmp

memory/1512-35-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-05 06:16

Reported

2024-11-05 06:18

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

106s

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FD55934F = "C:\\Users\\Admin\\AppData\\Roaming\\FD55934F\\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\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Windows\Explorer.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
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\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe

"C:\Users\Admin\AppData\Local\Temp\30fb1e93fd479c262c7917661c38b2ddf3419fc7da4262cc16e6ad8ad62019b7N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2796 -ip 2796

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net 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

Files

memory/4124-0-0x0000000000590000-0x0000000000591000-memory.dmp

memory/3392-1-0x0000000001470000-0x0000000001476000-memory.dmp

memory/3392-2-0x0000000001470000-0x0000000001476000-memory.dmp

memory/4124-3-0x0000000002090000-0x0000000002A90000-memory.dmp

memory/3392-5-0x00007FFE7514D000-0x00007FFE7514E000-memory.dmp

memory/2796-4-0x00000000774C2000-0x00000000774C3000-memory.dmp

memory/2796-6-0x00007FFE750B0000-0x00007FFE752A5000-memory.dmp

memory/3392-7-0x00007FFE752E0000-0x00007FFE752E1000-memory.dmp

memory/4124-8-0x0000000000400000-0x0000000000417000-memory.dmp

memory/4124-9-0x0000000002090000-0x0000000002A90000-memory.dmp

memory/3392-10-0x00007FFE752C0000-0x00007FFE752C1000-memory.dmp

memory/2796-12-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

memory/2316-14-0x0000000000890000-0x0000000000896000-memory.dmp

memory/2796-15-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

memory/2316-17-0x00007FFE752D0000-0x00007FFE752D1000-memory.dmp