Malware Analysis Report

2025-01-19 07:31

Sample ID 231107-bhp65sah62
Target NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
SHA256 bbac58d1fb2fefd620be766b8923a01f1781279884298df7f660beace2783ea0
Tags
tinba banker 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

bbac58d1fb2fefd620be766b8923a01f1781279884298df7f660beace2783ea0

Threat Level: Known bad

The file NEAS.c69789bb77ee95b5dc90fab64af3a510.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-07 01:08

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-07 01:08

Reported

2023-11-07 01:11

Platform

win10v2004-20231020-en

Max time kernel

3s

Max time network

8s

Command Line

C:\Windows\Explorer.EXE

Signatures

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2192 set thread context of 4656 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe

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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2192 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 2192 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 2192 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 2192 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 2192 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 2192 wrote to memory of 4656 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 4656 wrote to memory of 5108 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 4656 wrote to memory of 5108 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 4656 wrote to memory of 5108 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 4656 wrote to memory of 5108 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 5108 wrote to memory of 3320 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 5108 wrote to memory of 2408 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\sihost.exe

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp

Files

memory/4656-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/3320-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

memory/4656-7-0x0000000000710000-0x0000000001110000-memory.dmp

memory/5108-6-0x00000000008F0000-0x00000000008F6000-memory.dmp

memory/3320-5-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

memory/5108-4-0x00000000008F0000-0x00000000008F6000-memory.dmp

memory/5108-8-0x0000000077142000-0x0000000077143000-memory.dmp

memory/3320-9-0x00007FFF6BB2D000-0x00007FFF6BB2E000-memory.dmp

memory/5108-10-0x00000000008F0000-0x00000000008F6000-memory.dmp

memory/4656-13-0x0000000000710000-0x0000000001110000-memory.dmp

memory/2440-15-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2408-17-0x0000000000430000-0x0000000000436000-memory.dmp

memory/2440-19-0x0000000000280000-0x0000000000286000-memory.dmp

memory/2804-22-0x0000000000210000-0x0000000000216000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-11-07 01:08

Reported

2023-11-07 01:11

Platform

win7-20231023-en

Max time kernel

150s

Max time network

153s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3618187007-3650799920-3290345941-1000\Software\Microsoft\Windows\CurrentVersion\Run\7B82623C = "C:\\Users\\Admin\\AppData\\Roaming\\7B82623C\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1948 set thread context of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe

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
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 behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A 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 SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1948 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 1948 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 1948 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 1948 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 1948 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 1948 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 1948 wrote to memory of 1924 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe
PID 1924 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 1924 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 1924 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 1924 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 1924 wrote to memory of 1728 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe C:\Windows\SysWOW64\winver.exe
PID 1728 wrote to memory of 1284 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1728 wrote to memory of 1124 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 1728 wrote to memory of 1248 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 1728 wrote to memory of 1284 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1728 wrote to memory of 1792 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe

Processes

C:\Windows\system32\taskhost.exe

"taskhost.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:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.c69789bb77ee95b5dc90fab64af3a510.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 recdataoneveter.cc udp
US 216.218.185.162:80 recdataoneveter.cc tcp
US 8.8.8.8:53 diiqngijkpop.com udp
US 216.218.185.162:80 diiqngijkpop.com tcp

Files

memory/1924-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/1924-4-0x0000000000410000-0x0000000000E10000-memory.dmp

memory/1284-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

memory/1728-5-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1728-8-0x000000007763F000-0x0000000077640000-memory.dmp

memory/1728-7-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1728-10-0x000000007763F000-0x0000000077641000-memory.dmp

memory/1728-12-0x0000000077640000-0x0000000077641000-memory.dmp

memory/1728-11-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1284-9-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

memory/1284-13-0x0000000077491000-0x0000000077492000-memory.dmp

memory/1728-14-0x0000000000F50000-0x0000000000F66000-memory.dmp

memory/1728-15-0x00000000000D0000-0x00000000000D1000-memory.dmp

memory/1924-18-0x0000000000410000-0x0000000000E10000-memory.dmp

memory/1248-22-0x0000000001A40000-0x0000000001A46000-memory.dmp

memory/1124-25-0x0000000001D20000-0x0000000001D26000-memory.dmp

memory/1248-31-0x0000000001A40000-0x0000000001A46000-memory.dmp

memory/1792-34-0x0000000077491000-0x0000000077492000-memory.dmp

memory/1792-33-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1284-32-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/1124-30-0x0000000077491000-0x0000000077492000-memory.dmp

memory/1792-29-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1284-26-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/1124-20-0x0000000001D20000-0x0000000001D26000-memory.dmp

memory/1728-37-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1284-38-0x0000000077620000-0x0000000077621000-memory.dmp

memory/1728-42-0x0000000000190000-0x0000000000191000-memory.dmp