Malware Analysis Report

2025-01-19 07:41

Sample ID 241105-fzv6yaxqfm
Target 2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN
SHA256 2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fd
Tags
tinba banker discovery 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

2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fd

Threat Level: Known bad

The file 2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan upx

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 AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-05 05:19

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

2024-11-05 05:19

Reported

2024-11-05 05:21

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\60FC9D64 = "C:\\Users\\Admin\\AppData\\Roaming\\60FC9D64\\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\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.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
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.EXE N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Windows\Explorer.EXE N/A
N/A N/A C:\Windows\Explorer.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\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe

"C:\Users\Admin\AppData\Local\Temp\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.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/2668-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2668-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1204-3-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1204-2-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1204-4-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/2668-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

memory/2704-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2704-7-0x00000000775B0000-0x00000000775B1000-memory.dmp

memory/2704-8-0x00000000775AF000-0x00000000775B0000-memory.dmp

memory/2704-9-0x00000000775AF000-0x00000000775B1000-memory.dmp

memory/1204-10-0x0000000077401000-0x0000000077402000-memory.dmp

memory/2704-11-0x00000000773B0000-0x0000000077559000-memory.dmp

memory/2668-12-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2668-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

memory/1620-24-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

memory/1108-25-0x0000000000210000-0x0000000000216000-memory.dmp

memory/1204-22-0x0000000002D20000-0x0000000002D26000-memory.dmp

memory/1164-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1108-26-0x0000000077401000-0x0000000077402000-memory.dmp

memory/1620-27-0x0000000001BE0000-0x0000000001BE6000-memory.dmp

memory/1620-28-0x0000000077401000-0x0000000077402000-memory.dmp

memory/1204-29-0x0000000002D20000-0x0000000002D26000-memory.dmp

memory/1164-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/2704-31-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2704-36-0x00000000001B0000-0x00000000001B1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-05 05:19

Reported

2024-11-05 05:21

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

102s

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\13D168A3 = "C:\\Users\\Admin\\AppData\\Roaming\\13D168A3\\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\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.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\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe

"C:\Users\Admin\AppData\Local\Temp\2547db5c6fc2f091fbf60ae3b6be686aa09393eaa50a4548574df55acab814fdN.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3972 -ip 3972

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3972 -s 352

Network

Country Destination Domain Proto
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 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 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3460-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3460-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/3424-3-0x0000000002900000-0x0000000002906000-memory.dmp

memory/3424-2-0x0000000002900000-0x0000000002906000-memory.dmp

memory/3460-4-0x0000000002210000-0x0000000002C10000-memory.dmp

memory/3972-5-0x0000000077662000-0x0000000077663000-memory.dmp

memory/3424-6-0x00007FFA6698D000-0x00007FFA6698E000-memory.dmp

memory/3972-7-0x00007FFA668F0000-0x00007FFA66AE5000-memory.dmp

memory/3424-8-0x00007FFA66B20000-0x00007FFA66B21000-memory.dmp

memory/3460-10-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3460-11-0x0000000002210000-0x0000000002C10000-memory.dmp

memory/3972-13-0x0000000000A10000-0x0000000000A16000-memory.dmp

memory/3044-16-0x00007FFA6698D000-0x00007FFA6698E000-memory.dmp

memory/3044-15-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3972-17-0x0000000000A10000-0x0000000000A16000-memory.dmp

memory/3044-18-0x00000000005C0000-0x00000000005C6000-memory.dmp

memory/3044-19-0x00007FFA66B10000-0x00007FFA66B11000-memory.dmp