Malware Analysis Report

2025-01-19 07:40

Sample ID 241112-y1d8xstleq
Target 67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe
SHA256 67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99
Tags
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

67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99

Threat Level: Known bad

The file 67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba / TinyBanker

Tinba family

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Program crash

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-12 20:14

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 20:14

Reported

2024-11-12 20:16

Platform

win7-20240903-en

Max time kernel

120s

Max time network

115s

Command Line

"C:\Windows\system32\Dwm.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\0F02256E = "C:\\Users\\Admin\\AppData\\Roaming\\0F02256E\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Enumerates physical storage devices

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\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.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

Suspicious use of FindShellTrayWindow

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

Processes

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.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\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe

"C:\Users\Admin\AppData\Local\Temp\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 elitiorecfreetoo.cc udp
US 216.218.185.162:80 elitiorecfreetoo.cc tcp
US 8.8.8.8:53 ljjskttqximu.com udp
US 8.8.8.8:53 ljjskttqximu.net udp
US 8.8.8.8:53 ljjskttqximu.in udp
US 216.218.185.162:80 ljjskttqximu.in tcp

Files

memory/1108-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1108-6-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/2832-4-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1108-1-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1640-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/2832-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1664-20-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

memory/1108-17-0x0000000002D20000-0x0000000002D26000-memory.dmp

memory/1052-14-0x0000000000420000-0x0000000000426000-memory.dmp

memory/1036-11-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

memory/1052-27-0x0000000000420000-0x0000000000426000-memory.dmp

memory/1664-26-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

memory/1036-24-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

memory/1108-25-0x0000000002D20000-0x0000000002D26000-memory.dmp

memory/2832-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 20:14

Reported

2024-11-12 20:16

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

95s

Command Line

sihost.exe

Signatures

Enumerates physical storage devices

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\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" C:\Windows\System32\svchost.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
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
N/A N/A C:\Users\Admin\AppData\Local\Temp\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.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\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe

"C:\Users\Admin\AppData\Local\Temp\67b67bebc5f6ac0bca3fddac5d5b3b8cb55cf677c0510df0012afe4dd269ab99N.exe"

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4028 -ip 4028

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4064 -ip 4064

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4064 -s 992

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4064-1-0x0000000004510000-0x0000000004B68000-memory.dmp

memory/4064-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

memory/4064-3-0x0000000004510000-0x0000000004B68000-memory.dmp

memory/4064-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

memory/3388-6-0x0000000001000000-0x0000000001006000-memory.dmp

memory/3388-7-0x0000000001000000-0x0000000001006000-memory.dmp

memory/4064-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3388-12-0x0000000003010000-0x0000000003016000-memory.dmp

memory/4064-13-0x0000000005A60000-0x0000000006460000-memory.dmp

memory/2488-15-0x0000000000DE0000-0x0000000000DE6000-memory.dmp

memory/4064-17-0x0000000005A60000-0x0000000006460000-memory.dmp

memory/4064-20-0x0000000004510000-0x0000000004B68000-memory.dmp

memory/2488-21-0x0000000000DE0000-0x0000000000DE6000-memory.dmp