Malware Analysis Report

2025-01-19 07:24

Sample ID 231219-mlareaedb9
Target 07afb5393dddac4bb83d27ac78dd62e3
SHA256 cc1a7380c63e0bc2ec17983e51633b87ee86a2a8d76c57398ded7e7a4864a0c2
Tags
tinba banker persistence trojan upx
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

cc1a7380c63e0bc2ec17983e51633b87ee86a2a8d76c57398ded7e7a4864a0c2

Threat Level: Known bad

The file 07afb5393dddac4bb83d27ac78dd62e3 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan upx

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 10:32

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

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-19 10:32

Reported

2023-12-19 12:26

Platform

win7-20231215-en

Max time kernel

150s

Max time network

152s

Command Line

"taskhost.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-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\BF7D716A = "C:\\Users\\Admin\\AppData\\Roaming\\BF7D716A\\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\system32\taskhost.exe

"taskhost.exe"

C:\Windows\system32\Dwm.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\07afb5393dddac4bb83d27ac78dd62e3.exe

"C:\Users\Admin\AppData\Local\Temp\07afb5393dddac4bb83d27ac78dd62e3.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
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
NL 178.62.201.34:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/860-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/860-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1992-5-0x0000000000100000-0x0000000000106000-memory.dmp

memory/1200-4-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/860-3-0x0000000001EC0000-0x00000000028C0000-memory.dmp

memory/1200-2-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/1992-7-0x00000000771AF000-0x00000000771B0000-memory.dmp

memory/1200-6-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/1200-9-0x0000000077001000-0x0000000077002000-memory.dmp

memory/1992-8-0x00000000771AF000-0x00000000771B1000-memory.dmp

memory/1992-10-0x0000000000D30000-0x0000000000D46000-memory.dmp

memory/1992-11-0x00000000771B0000-0x00000000771B1000-memory.dmp

memory/860-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1992-14-0x0000000000100000-0x0000000000106000-memory.dmp

memory/1992-15-0x0000000000140000-0x0000000000141000-memory.dmp

memory/1176-20-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1200-22-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/1108-24-0x0000000077001000-0x0000000077002000-memory.dmp

memory/1108-23-0x0000000000310000-0x0000000000316000-memory.dmp

memory/1176-25-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1200-26-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/1992-30-0x0000000000100000-0x0000000000106000-memory.dmp

memory/1992-31-0x0000000000150000-0x0000000000151000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 10:32

Reported

2023-12-19 12:26

Platform

win10v2004-20231215-en

Max time kernel

8s

Max time network

12s

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5CDB7DE4 = "C:\\Users\\Admin\\AppData\\Roaming\\5CDB7DE4\\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\07afb5393dddac4bb83d27ac78dd62e3.exe

"C:\Users\Admin\AppData\Local\Temp\07afb5393dddac4bb83d27ac78dd62e3.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 202.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
NL 52.142.223.178:80 tcp

Files

memory/3104-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/3104-1-0x0000000002170000-0x0000000002171000-memory.dmp

memory/3104-2-0x0000000002310000-0x0000000002D10000-memory.dmp

memory/3132-3-0x0000000000880000-0x0000000000886000-memory.dmp

memory/3132-4-0x0000000000880000-0x0000000000886000-memory.dmp

memory/4520-5-0x0000000000770000-0x0000000000776000-memory.dmp

memory/4520-6-0x0000000077AA2000-0x0000000077AA3000-memory.dmp

memory/3132-7-0x00007FFE2026D000-0x00007FFE2026E000-memory.dmp

memory/3104-8-0x0000000000400000-0x0000000000428000-memory.dmp

memory/3104-9-0x0000000002310000-0x0000000002D10000-memory.dmp

memory/2488-13-0x0000000000770000-0x0000000000776000-memory.dmp

memory/2632-14-0x0000000000A50000-0x0000000000A56000-memory.dmp

memory/2444-16-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

memory/2488-18-0x0000000000770000-0x0000000000776000-memory.dmp

memory/2632-20-0x0000000000A50000-0x0000000000A56000-memory.dmp

memory/3456-17-0x0000000000120000-0x0000000000126000-memory.dmp

memory/3132-15-0x00000000008C0000-0x00000000008C6000-memory.dmp