Malware Analysis Report

2025-01-19 07:39

Sample ID 241121-gfk3asyrax
Target e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.exe
SHA256 e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5

Threat Level: Known bad

The file e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.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 behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 05:44

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 05:44

Reported

2024-11-21 05:46

Platform

win10v2004-20241007-en

Max time kernel

103s

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EDFC18E5 = "C:\\Users\\Admin\\AppData\\Roaming\\EDFC18E5\\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\e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.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\e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.exe

"C:\Users\Admin\AppData\Local\Temp\e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1572 -ip 1572

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1572 -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 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp

Files

memory/4676-0-0x0000000000590000-0x0000000000591000-memory.dmp

memory/3432-2-0x0000000000D40000-0x0000000000D46000-memory.dmp

memory/3432-1-0x0000000000D40000-0x0000000000D46000-memory.dmp

memory/4676-3-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/1572-4-0x0000000077E72000-0x0000000077E73000-memory.dmp

memory/3432-5-0x00007FFE0FCED000-0x00007FFE0FCEE000-memory.dmp

memory/1572-6-0x00007FFE0FC50000-0x00007FFE0FE45000-memory.dmp

memory/4676-7-0x0000000000400000-0x0000000000417000-memory.dmp

memory/4676-8-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/1572-10-0x0000000002C40000-0x0000000002C46000-memory.dmp

memory/2644-12-0x0000000000B60000-0x0000000000B66000-memory.dmp

memory/1572-13-0x0000000002C40000-0x0000000002C46000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 05:44

Reported

2024-11-21 05:46

Platform

win7-20240729-en

Max time kernel

119s

Max time network

120s

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\CC5B4AD1 = "C:\\Users\\Admin\\AppData\\Roaming\\CC5B4AD1\\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\e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.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\e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.exe

"C:\Users\Admin\AppData\Local\Temp\e49dedfc7adf071bb61e7dd65a8dd65b922e389ecda057cbe52f37cfa01e24f5.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/1200-3-0x0000000003FA0000-0x0000000003FA6000-memory.dmp

memory/1664-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1200-2-0x0000000003FA0000-0x0000000003FA6000-memory.dmp

memory/1200-1-0x0000000003FA0000-0x0000000003FA6000-memory.dmp

memory/1664-4-0x0000000001DB0000-0x00000000027B0000-memory.dmp

memory/1996-10-0x0000000077C40000-0x0000000077DE9000-memory.dmp

memory/1200-9-0x0000000077C91000-0x0000000077C92000-memory.dmp

memory/1996-8-0x0000000077E3F000-0x0000000077E41000-memory.dmp

memory/1996-7-0x0000000077E3F000-0x0000000077E40000-memory.dmp

memory/1996-6-0x0000000077E40000-0x0000000077E41000-memory.dmp

memory/1996-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1664-11-0x0000000000400000-0x0000000000417000-memory.dmp

memory/1664-12-0x0000000001DB0000-0x00000000027B0000-memory.dmp

memory/1160-26-0x0000000077C91000-0x0000000077C92000-memory.dmp

memory/1116-25-0x0000000077C91000-0x0000000077C92000-memory.dmp

memory/1116-24-0x0000000001F80000-0x0000000001F86000-memory.dmp

memory/1432-30-0x0000000077C91000-0x0000000077C92000-memory.dmp

memory/1200-31-0x0000000003F80000-0x0000000003F86000-memory.dmp

memory/1432-29-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

memory/1996-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1432-23-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

memory/1200-21-0x0000000003F80000-0x0000000003F86000-memory.dmp

memory/1160-19-0x0000000002090000-0x0000000002096000-memory.dmp

memory/1160-27-0x0000000002090000-0x0000000002096000-memory.dmp

memory/1996-36-0x00000000001F0000-0x00000000001F1000-memory.dmp