Malware Analysis Report

2024-11-13 18:01

Sample ID 241110-bctx5svpds
Target 5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N
SHA256 5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58
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

5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58

Threat Level: Known bad

The file 5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N 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

Unsigned PE

Program crash

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Modifies registry class

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-10 01:00

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

2024-11-10 01:00

Reported

2024-11-10 01:02

Platform

win7-20240903-en

Max time kernel

118s

Max time network

119s

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\8F52DC50 = "C:\\Users\\Admin\\AppData\\Roaming\\8F52DC50\\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\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.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\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe

"C:\Users\Admin\AppData\Local\Temp\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.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/328-0-0x0000000000400000-0x0000000000418000-memory.dmp

memory/328-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1176-4-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

memory/1176-3-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

memory/1176-2-0x0000000002AD0000-0x0000000002AD6000-memory.dmp

memory/328-5-0x0000000001CC0000-0x00000000026C0000-memory.dmp

memory/2232-11-0x00000000773C0000-0x0000000077569000-memory.dmp

memory/1176-10-0x0000000077411000-0x0000000077412000-memory.dmp

memory/2232-9-0x00000000775BF000-0x00000000775C1000-memory.dmp

memory/2232-8-0x00000000775BF000-0x00000000775C0000-memory.dmp

memory/2232-7-0x00000000775C0000-0x00000000775C1000-memory.dmp

memory/2232-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/328-12-0x0000000000400000-0x0000000000418000-memory.dmp

memory/328-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

memory/1084-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/1056-26-0x0000000077411000-0x0000000077412000-memory.dmp

memory/1084-27-0x00000000002C0000-0x00000000002C6000-memory.dmp

memory/1760-24-0x0000000002180000-0x0000000002186000-memory.dmp

memory/1176-22-0x0000000002100000-0x0000000002106000-memory.dmp

memory/1056-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1760-31-0x0000000077411000-0x0000000077412000-memory.dmp

memory/1760-30-0x0000000002180000-0x0000000002186000-memory.dmp

memory/1176-29-0x0000000002100000-0x0000000002106000-memory.dmp

memory/2232-28-0x00000000000B0000-0x00000000000B6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-10 01:00

Reported

2024-11-10 01:02

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

96s

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\495D90BA = "C:\\Users\\Admin\\AppData\\Roaming\\495D90BA\\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\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ C:\Windows\Explorer.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
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:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.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\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe

"C:\Users\Admin\AppData\Local\Temp\5214a889ffcd14c9c3fe25a7e1df77212c2d4dc037d7e55e6877c97d93320e58N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2532 -ip 2532

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2532 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 75.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/2732-0-0x0000000000400000-0x0000000000418000-memory.dmp

memory/2732-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3520-3-0x0000000002470000-0x0000000002476000-memory.dmp

memory/3520-2-0x0000000002470000-0x0000000002476000-memory.dmp

memory/2732-4-0x0000000002180000-0x0000000002B80000-memory.dmp

memory/3520-8-0x00007FFEC844C000-0x00007FFEC844D000-memory.dmp

memory/3520-7-0x00007FFEC844D000-0x00007FFEC844E000-memory.dmp

memory/2532-6-0x0000000077622000-0x0000000077623000-memory.dmp

memory/2532-5-0x0000000001010000-0x0000000001016000-memory.dmp

memory/2532-9-0x00007FFEC83B0000-0x00007FFEC85A5000-memory.dmp

memory/3520-13-0x00007FFEC85C0000-0x00007FFEC85C1000-memory.dmp

memory/3520-12-0x00007FFEC85E0000-0x00007FFEC85E1000-memory.dmp

memory/2732-11-0x0000000000400000-0x0000000000418000-memory.dmp

memory/2732-14-0x0000000002180000-0x0000000002B80000-memory.dmp

memory/2532-20-0x0000000001010000-0x0000000001016000-memory.dmp

memory/2476-19-0x00007FFEC844D000-0x00007FFEC844E000-memory.dmp

memory/2476-18-0x00000000009C0000-0x00000000009C6000-memory.dmp

memory/2476-22-0x00000000009C0000-0x00000000009C6000-memory.dmp