Malware Analysis Report

2025-01-19 07:24

Sample ID 231219-sw2krseacj
Target 4f4fe3266af156c162198bc4bd577157
SHA256 3c344c3157b251fba385e7aeb13a455d61a7626cee610c33a8e425f0ce81af31
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

3c344c3157b251fba385e7aeb13a455d61a7626cee610c33a8e425f0ce81af31

Threat Level: Known bad

The file 4f4fe3266af156c162198bc4bd577157 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 use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 15:29

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

2023-12-19 15:29

Reported

2023-12-19 17:48

Platform

win7-20231215-en

Max time kernel

150s

Max time network

152s

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-1-5-21-928733405-3780110381-2966456290-1000\Software\Microsoft\Windows\CurrentVersion\Run\B2B90674 = "C:\\Users\\Admin\\AppData\\Roaming\\B2B90674\\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 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\4f4fe3266af156c162198bc4bd577157.exe

"C:\Users\Admin\AppData\Local\Temp\4f4fe3266af156c162198bc4bd577157.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/2124-0-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2124-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2124-3-0x0000000002030000-0x0000000002A30000-memory.dmp

memory/1384-2-0x0000000002660000-0x0000000002666000-memory.dmp

memory/1384-4-0x0000000002660000-0x0000000002666000-memory.dmp

memory/1384-6-0x0000000002660000-0x0000000002666000-memory.dmp

memory/2692-5-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/2692-8-0x0000000077ABF000-0x0000000077AC1000-memory.dmp

memory/1384-10-0x0000000077911000-0x0000000077912000-memory.dmp

memory/2692-9-0x0000000077AC0000-0x0000000077AC1000-memory.dmp

memory/2692-7-0x0000000077ABF000-0x0000000077AC0000-memory.dmp

memory/2692-11-0x0000000000A40000-0x0000000000A56000-memory.dmp

memory/2124-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2124-13-0x0000000002030000-0x0000000002A30000-memory.dmp

memory/2692-15-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/2692-16-0x0000000000200000-0x0000000000201000-memory.dmp

memory/1312-21-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1384-23-0x0000000002600000-0x0000000002606000-memory.dmp

memory/1220-24-0x00000000003F0000-0x00000000003F6000-memory.dmp

memory/1220-25-0x0000000077911000-0x0000000077912000-memory.dmp

memory/1312-26-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1384-27-0x0000000002600000-0x0000000002606000-memory.dmp

memory/2692-31-0x00000000001C0000-0x00000000001C6000-memory.dmp

memory/2692-32-0x0000000000210000-0x0000000000211000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 15:29

Reported

2023-12-19 17:37

Platform

win10v2004-20231201-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A