Malware Analysis Report

2025-01-19 07:40

Sample ID 241118-cckvxavfma
Target df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.exe
SHA256 df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432
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

df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432

Threat Level: Known bad

The file df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.exe was found to be: Known bad.

Malicious Activity Summary

upx tinba banker discovery persistence trojan

Tinba / TinyBanker

Tinba family

Adds Run key to start application

UPX packed file

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 01:55

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

2024-11-18 01:55

Reported

2024-11-18 01:59

Platform

win7-20241010-en

Max time kernel

119s

Max time network

123s

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\13916218 = "C:\\Users\\Admin\\AppData\\Roaming\\13916218\\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\df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.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

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\df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.exe

"C:\Users\Admin\AppData\Local\Temp\df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.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/2856-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2856-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1180-10-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/2472-9-0x0000000077D2F000-0x0000000077D31000-memory.dmp

memory/2472-8-0x0000000077D2F000-0x0000000077D30000-memory.dmp

memory/2472-7-0x0000000077D30000-0x0000000077D31000-memory.dmp

memory/2472-6-0x0000000000110000-0x0000000000116000-memory.dmp

memory/2472-11-0x0000000077B30000-0x0000000077CD9000-memory.dmp

memory/2856-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

memory/1180-4-0x0000000002780000-0x0000000002786000-memory.dmp

memory/1180-3-0x0000000002780000-0x0000000002786000-memory.dmp

memory/1180-2-0x0000000002780000-0x0000000002786000-memory.dmp

memory/2856-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2856-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

memory/1180-21-0x00000000026B0000-0x00000000026B6000-memory.dmp

memory/2472-28-0x0000000000110000-0x0000000000116000-memory.dmp

memory/952-29-0x00000000022D0000-0x00000000022D6000-memory.dmp

memory/1180-31-0x00000000026B0000-0x00000000026B6000-memory.dmp

memory/952-30-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/1156-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1156-26-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/1084-25-0x0000000077B81000-0x0000000077B82000-memory.dmp

memory/1084-24-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/952-23-0x00000000022D0000-0x00000000022D6000-memory.dmp

memory/1156-19-0x00000000001A0000-0x00000000001A6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-18 01:55

Reported

2024-11-18 01:59

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

105s

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D94066AE = "C:\\Users\\Admin\\AppData\\Roaming\\D94066AE\\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\df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.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\df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.exe

"C:\Users\Admin\AppData\Local\Temp\df40cdd62e96ca150bac13744b8080d180632aeb48e7ad790b48ad304057a432.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4952 -ip 4952

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/3668-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3668-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

memory/3376-3-0x0000000001E40000-0x0000000001E46000-memory.dmp

memory/3376-2-0x0000000001E40000-0x0000000001E46000-memory.dmp

memory/3668-4-0x0000000002250000-0x0000000002C50000-memory.dmp

memory/3376-6-0x00007FFC7BE4D000-0x00007FFC7BE4E000-memory.dmp

memory/4952-5-0x0000000077642000-0x0000000077643000-memory.dmp

memory/4952-7-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

memory/3668-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3668-10-0x0000000002250000-0x0000000002C50000-memory.dmp

memory/3376-11-0x00007FFC7BFE0000-0x00007FFC7BFE1000-memory.dmp

memory/4952-13-0x0000000000B50000-0x0000000000B56000-memory.dmp

memory/2664-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

memory/4952-16-0x0000000000B50000-0x0000000000B56000-memory.dmp