Malware Analysis Report

2025-01-19 07:41

Sample ID 241106-zc7q1axdna
Target 00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N
SHA256 00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24
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

00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24

Threat Level: Known bad

The file 00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N 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 use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 20:35

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 20:35

Reported

2024-11-06 20:37

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\7CFC97A6 = "C:\\Users\\Admin\\AppData\\Roaming\\7CFC97A6\\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\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.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\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe

"C:\Users\Admin\AppData\Local\Temp\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.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/2964-0-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2964-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1196-4-0x0000000002E80000-0x0000000002E86000-memory.dmp

memory/1196-3-0x0000000002E80000-0x0000000002E86000-memory.dmp

memory/1196-2-0x0000000002E80000-0x0000000002E86000-memory.dmp

memory/2964-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

memory/1196-10-0x0000000077891000-0x0000000077892000-memory.dmp

memory/2888-9-0x0000000077A3F000-0x0000000077A41000-memory.dmp

memory/2888-8-0x0000000077A3F000-0x0000000077A40000-memory.dmp

memory/2888-6-0x0000000000160000-0x0000000000166000-memory.dmp

memory/2888-7-0x0000000077A40000-0x0000000077A41000-memory.dmp

memory/2888-11-0x0000000077840000-0x00000000779E9000-memory.dmp

memory/2964-12-0x0000000000400000-0x000000000041C000-memory.dmp

memory/2964-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

memory/1100-30-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1556-33-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1556-32-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

memory/1196-31-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

memory/1556-29-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

memory/1100-28-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1100-25-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1100-24-0x0000000077891000-0x0000000077892000-memory.dmp

memory/1196-23-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

memory/1156-21-0x0000000000130000-0x0000000000136000-memory.dmp

memory/2888-34-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1156-35-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1556-38-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

memory/2888-40-0x00000000001B0000-0x00000000001B1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 20:35

Reported

2024-11-06 20:37

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

96s

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6F0FAEC7 = "C:\\Users\\Admin\\AppData\\Roaming\\6F0FAEC7\\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\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.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\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe

"C:\Users\Admin\AppData\Local\Temp\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3852 -ip 3852

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3852 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp

Files

memory/1976-0-0x0000000000400000-0x000000000041C000-memory.dmp

memory/1976-1-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

memory/3436-3-0x0000000001490000-0x0000000001496000-memory.dmp

memory/3436-2-0x0000000001490000-0x0000000001496000-memory.dmp

memory/3852-4-0x00007FF9B3A70000-0x00007FF9B3C65000-memory.dmp

memory/3436-5-0x00007FF9B3B0D000-0x00007FF9B3B0E000-memory.dmp

memory/3436-6-0x00007FF9B3CA0000-0x00007FF9B3CA1000-memory.dmp

memory/1976-8-0x0000000000400000-0x000000000041C000-memory.dmp

memory/3852-10-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

memory/2996-12-0x0000000000F90000-0x0000000000F96000-memory.dmp

memory/3852-13-0x0000000000BD0000-0x0000000000BD6000-memory.dmp