Malware Analysis Report

2025-01-19 07:23

Sample ID 231219-11qm3aheg6
Target b1ccfbc0f554080a0d34cbd49dab2c9b
SHA256 222db9bb7b7622a505801c85af636fb601a187f3cad7adf27d1b544a32aac00d
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

222db9bb7b7622a505801c85af636fb601a187f3cad7adf27d1b544a32aac00d

Threat Level: Known bad

The file b1ccfbc0f554080a0d34cbd49dab2c9b 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 use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 22:07

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 22:07

Reported

2023-12-20 19:49

Platform

win7-20231129-en

Max time kernel

149s

Max time network

149s

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-1-5-21-3470981204-343661084-3367201002-1000\Software\Microsoft\Windows\CurrentVersion\Run\364F6DCA = "C:\\Users\\Admin\\AppData\\Roaming\\364F6DCA\\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
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

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\b1ccfbc0f554080a0d34cbd49dab2c9b.exe

"C:\Users\Admin\AppData\Local\Temp\b1ccfbc0f554080a0d34cbd49dab2c9b.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/2256-0-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2256-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2256-3-0x0000000001F10000-0x0000000002910000-memory.dmp

memory/1384-2-0x0000000002D20000-0x0000000002D26000-memory.dmp

memory/2188-4-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1384-11-0x00000000774D1000-0x00000000774D2000-memory.dmp

memory/2188-10-0x0000000077680000-0x0000000077681000-memory.dmp

memory/2188-9-0x000000007767F000-0x0000000077681000-memory.dmp

memory/2188-8-0x000000007767F000-0x0000000077680000-memory.dmp

memory/2188-7-0x0000000000970000-0x0000000000986000-memory.dmp

memory/1384-6-0x0000000002D20000-0x0000000002D26000-memory.dmp

memory/2256-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2256-13-0x0000000001F10000-0x0000000002910000-memory.dmp

memory/2188-15-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/2188-16-0x0000000000130000-0x0000000000131000-memory.dmp

memory/1336-21-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1384-23-0x00000000029D0000-0x00000000029D6000-memory.dmp

memory/1280-24-0x0000000000560000-0x0000000000566000-memory.dmp

memory/1280-25-0x00000000774D1000-0x00000000774D2000-memory.dmp

memory/1336-26-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1384-27-0x00000000029D0000-0x00000000029D6000-memory.dmp

memory/2188-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/2188-32-0x00000000001C0000-0x00000000001C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 22:07

Reported

2023-12-20 19:49

Platform

win10v2004-20231215-en

Max time kernel

33s

Max time network

39s

Command Line

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

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\31FFF213 = "C:\\Users\\Admin\\AppData\\Roaming\\31FFF213\\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\system32\taskhostw.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

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\b1ccfbc0f554080a0d34cbd49dab2c9b.exe

"C:\Users\Admin\AppData\Local\Temp\b1ccfbc0f554080a0d34cbd49dab2c9b.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 52.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp

Files

memory/1196-0-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1196-1-0x0000000000580000-0x0000000000581000-memory.dmp

memory/1196-2-0x00000000025C0000-0x0000000002FC0000-memory.dmp

memory/3248-3-0x0000000002A20000-0x0000000002A26000-memory.dmp

memory/3932-5-0x00000000005A0000-0x00000000005A6000-memory.dmp

memory/3248-7-0x00007FF9A788D000-0x00007FF9A788E000-memory.dmp

memory/3932-6-0x0000000077512000-0x0000000077513000-memory.dmp

memory/3248-4-0x0000000002A20000-0x0000000002A26000-memory.dmp

memory/1196-8-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1196-14-0x00000000025C0000-0x0000000002FC0000-memory.dmp

memory/2548-17-0x00000000005B0000-0x00000000005B6000-memory.dmp

memory/2720-18-0x00000000003D0000-0x00000000003D6000-memory.dmp

memory/2524-19-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3248-21-0x00000000007E0000-0x00000000007E6000-memory.dmp

memory/2720-22-0x00000000003D0000-0x00000000003D6000-memory.dmp