Malware Analysis Report

2025-01-19 07:41

Sample ID 241102-3k4absyfjl
Target 01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN
SHA256 01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20a
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

01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20a

Threat Level: Known bad

The file 01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba / TinyBanker

Tinba family

Adds Run key to start application

System Location Discovery: System Language Discovery

Program crash

Enumerates physical storage devices

Unsigned PE

Modifies data under HKEY_USERS

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-02 23:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-02 23:35

Reported

2024-11-02 23:37

Platform

win7-20240903-en

Max time kernel

118s

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\5EBA5680 = "C:\\Users\\Admin\\AppData\\Roaming\\5EBA5680\\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\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.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
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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2096 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe C:\Windows\SysWOW64\winver.exe
PID 2096 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe C:\Windows\SysWOW64\winver.exe
PID 2096 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe C:\Windows\SysWOW64\winver.exe
PID 2096 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe C:\Windows\SysWOW64\winver.exe
PID 2096 wrote to memory of 2744 N/A C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe C:\Windows\SysWOW64\winver.exe
PID 2744 wrote to memory of 1244 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2744 wrote to memory of 1112 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2744 wrote to memory of 1196 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2744 wrote to memory of 1244 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2744 wrote to memory of 628 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe
PID 2744 wrote to memory of 2096 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe

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\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe

"C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.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/2744-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1244-3-0x0000000002510000-0x0000000002516000-memory.dmp

memory/1244-1-0x0000000002510000-0x0000000002516000-memory.dmp

memory/1244-6-0x0000000002510000-0x0000000002516000-memory.dmp

memory/2096-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2744-25-0x0000000000210000-0x0000000000216000-memory.dmp

memory/628-20-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1244-17-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1196-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1112-11-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

memory/1196-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1112-28-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

memory/628-26-0x0000000002260000-0x0000000002266000-memory.dmp

memory/1244-27-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/2744-31-0x0000000000210000-0x0000000000216000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-02 23:35

Reported

2024-11-02 23:37

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

109s

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\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.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\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.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\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.exe

"C:\Users\Admin\AppData\Local\Temp\01412175a3abbe01001a8fabd6699abfca4a64b87fd9a97d59ae9b1842ded20aN.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 428 -p 4440 -ip 4440

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4440 -s 300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4600 -ip 4600

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4600 -s 988

Network

Country Destination Domain Proto
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 134.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.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 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 elitiorecfreetoo.cc udp
US 8.8.8.8:53 90.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.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
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/4600-1-0x00000000046C0000-0x0000000004D18000-memory.dmp

memory/4600-2-0x0000000003D70000-0x0000000003D71000-memory.dmp

memory/4600-3-0x00000000046C0000-0x0000000004D18000-memory.dmp

memory/4600-4-0x0000000003D70000-0x0000000003D71000-memory.dmp

memory/4600-5-0x0000000003D70000-0x0000000003D71000-memory.dmp

memory/3432-7-0x0000000000D50000-0x0000000000D56000-memory.dmp

memory/3432-8-0x0000000000D50000-0x0000000000D56000-memory.dmp

memory/4600-9-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3432-14-0x0000000000D60000-0x0000000000D66000-memory.dmp

memory/4600-13-0x00000000057D0000-0x00000000061D0000-memory.dmp

memory/3028-16-0x0000000000500000-0x0000000000506000-memory.dmp

memory/4600-17-0x00000000057D0000-0x00000000061D0000-memory.dmp

memory/4600-21-0x00000000046C0000-0x0000000004D18000-memory.dmp

memory/3028-22-0x0000000000500000-0x0000000000506000-memory.dmp