Malware Analysis Report

2025-01-19 07:31

Sample ID 231028-y1jteabd7x
Target NEAS.d48a13a7fa85949b6b38323dc84f5790.exe
SHA256 97c6ef1410a6c90bcb727fff9d28f5cb6ac1fd924407a59418662ad691d4e72e
Tags
upx tinba banker 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

97c6ef1410a6c90bcb727fff9d28f5cb6ac1fd924407a59418662ad691d4e72e

Threat Level: Known bad

The file NEAS.d48a13a7fa85949b6b38323dc84f5790.exe was found to be: Known bad.

Malicious Activity Summary

upx tinba banker persistence trojan

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-28 20:15

Signatures

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-28 20:15

Reported

2023-10-29 00:06

Platform

win7-20231023-en

Max time kernel

150s

Max time network

154s

Command Line

C:\Windows\Explorer.EXE

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows\CurrentVersion\Run\9ACD398A = "C:\\Users\\Admin\\AppData\\Roaming\\9ACD398A\\bin.exe" 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
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe 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

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.d48a13a7fa85949b6b38323dc84f5790.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.d48a13a7fa85949b6b38323dc84f5790.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/1288-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1288-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1288-3-0x0000000001E00000-0x0000000002800000-memory.dmp

memory/1212-4-0x0000000003BD0000-0x0000000003BD6000-memory.dmp

memory/1212-2-0x0000000003BD0000-0x0000000003BD6000-memory.dmp

memory/1212-6-0x0000000003BD0000-0x0000000003BD6000-memory.dmp

memory/3052-5-0x0000000000140000-0x0000000000146000-memory.dmp

memory/3052-8-0x0000000077C8F000-0x0000000077C91000-memory.dmp

memory/3052-7-0x0000000077C8F000-0x0000000077C90000-memory.dmp

memory/1212-10-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

memory/3052-9-0x0000000077C90000-0x0000000077C91000-memory.dmp

memory/3052-11-0x0000000000770000-0x0000000000786000-memory.dmp

memory/1288-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1288-13-0x0000000001E00000-0x0000000002800000-memory.dmp

memory/3052-15-0x0000000000140000-0x0000000000146000-memory.dmp

memory/3052-16-0x0000000000180000-0x0000000000181000-memory.dmp

memory/1120-20-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

memory/1184-21-0x0000000001AD0000-0x0000000001AD6000-memory.dmp

memory/1212-26-0x0000000003BE0000-0x0000000003BE6000-memory.dmp

memory/1212-25-0x0000000003BE0000-0x0000000003BE6000-memory.dmp

memory/1184-24-0x0000000001AD0000-0x0000000001AD6000-memory.dmp

memory/1120-22-0x0000000077AE1000-0x0000000077AE2000-memory.dmp

memory/3052-30-0x0000000000190000-0x0000000000191000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-28 20:15

Reported

2023-10-29 00:06

Platform

win10v2004-20231025-en

Max time kernel

8s

Max time network

10s

Command Line

C:\Windows\Explorer.EXE

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\21DC5583 = "C:\\Users\\Admin\\AppData\\Roaming\\21DC5583\\bin.exe" 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 FindShellTrayWindow

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

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.d48a13a7fa85949b6b38323dc84f5790.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.d48a13a7fa85949b6b38323dc84f5790.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 39.142.81.104.in-addr.arpa udp

Files

memory/5064-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/5064-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

memory/5064-4-0x0000000002360000-0x0000000002D60000-memory.dmp

memory/3096-3-0x00000000012C0000-0x00000000012C6000-memory.dmp

memory/3096-5-0x00007FFC13A0D000-0x00007FFC13A0E000-memory.dmp

memory/3096-2-0x00000000012C0000-0x00000000012C6000-memory.dmp

memory/2816-6-0x0000000076EE2000-0x0000000076EE3000-memory.dmp

memory/2816-7-0x00000000006E0000-0x00000000006E6000-memory.dmp

memory/5064-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/5064-9-0x0000000002360000-0x0000000002D60000-memory.dmp

memory/2368-14-0x0000000000FA0000-0x0000000000FA6000-memory.dmp

memory/2436-13-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

memory/2552-15-0x0000000000A50000-0x0000000000A56000-memory.dmp

memory/3096-16-0x0000000001290000-0x0000000001296000-memory.dmp

memory/2436-17-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

memory/3096-19-0x0000000001290000-0x0000000001296000-memory.dmp