Malware Analysis Report

2025-01-19 07:40

Sample ID 241106-hz3l5awcjg
Target fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N
SHA256 fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5
Tags
upx 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

fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5

Threat Level: Known bad

The file fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N was found to be: Known bad.

Malicious Activity Summary

upx tinba banker discovery persistence trojan

Tinba family

Tinba / TinyBanker

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-06 07:11

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

2024-11-06 07:11

Reported

2024-11-06 07:13

Platform

win7-20240903-en

Max time kernel

149s

Max time network

148s

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\253FAEC0 = "C:\\Users\\Admin\\AppData\\Roaming\\253FAEC0\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A 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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.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
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe 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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe

"C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.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/2524-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2524-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1184-3-0x0000000002540000-0x0000000002546000-memory.dmp

memory/1184-4-0x0000000002540000-0x0000000002546000-memory.dmp

memory/1184-2-0x0000000002540000-0x0000000002546000-memory.dmp

memory/2524-5-0x0000000001D80000-0x0000000002780000-memory.dmp

memory/2988-11-0x00000000772F0000-0x0000000077499000-memory.dmp

memory/1184-10-0x0000000077341000-0x0000000077342000-memory.dmp

memory/2988-9-0x00000000774EF000-0x00000000774F1000-memory.dmp

memory/2988-8-0x00000000774EF000-0x00000000774F0000-memory.dmp

memory/2988-7-0x00000000774F0000-0x00000000774F1000-memory.dmp

memory/2988-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/2524-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2524-13-0x0000000001D80000-0x0000000002780000-memory.dmp

memory/1104-20-0x0000000000130000-0x0000000000136000-memory.dmp

memory/808-24-0x0000000001E10000-0x0000000001E16000-memory.dmp

memory/1184-22-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/808-31-0x0000000077341000-0x0000000077342000-memory.dmp

memory/808-30-0x0000000001E10000-0x0000000001E16000-memory.dmp

memory/2988-29-0x00000000000F0000-0x00000000000F6000-memory.dmp

memory/1184-28-0x00000000024F0000-0x00000000024F6000-memory.dmp

memory/1040-27-0x0000000000410000-0x0000000000416000-memory.dmp

memory/1104-26-0x0000000077341000-0x0000000077342000-memory.dmp

memory/1104-25-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1040-34-0x0000000000410000-0x0000000000416000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 07:11

Reported

2024-11-06 07:13

Platform

win10v2004-20241007-en

Max time kernel

138s

Max time network

149s

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A4210301 = "C:\\Users\\Admin\\AppData\\Roaming\\A4210301\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

UPX packed file

upx
Description Indicator Process Target
N/A N/A N/A 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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe

"C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1816 -ip 1816

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 75.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/3464-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3464-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3500-3-0x0000000001530000-0x0000000001536000-memory.dmp

memory/3500-2-0x0000000001530000-0x0000000001536000-memory.dmp

memory/3464-4-0x0000000002330000-0x0000000002D30000-memory.dmp

memory/3500-6-0x00007FFCC38ED000-0x00007FFCC38EE000-memory.dmp

memory/1816-7-0x00007FFCC3850000-0x00007FFCC3A45000-memory.dmp

memory/1816-5-0x0000000077482000-0x0000000077483000-memory.dmp

memory/3500-8-0x00007FFCC3A80000-0x00007FFCC3A81000-memory.dmp

memory/3464-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3464-11-0x0000000002330000-0x0000000002D30000-memory.dmp

memory/1816-13-0x0000000002730000-0x0000000002736000-memory.dmp

memory/2896-15-0x0000000000740000-0x0000000000746000-memory.dmp

memory/1816-16-0x0000000002730000-0x0000000002736000-memory.dmp

memory/2896-18-0x00007FFCC3A70000-0x00007FFCC3A71000-memory.dmp