Malware Analysis Report

2025-01-19 07:40

Sample ID 241121-afkm7sxbqr
Target 6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe
SHA256 6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36
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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36

Threat Level: Known bad

The file 6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe 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 FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 00:09

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: behavioral2

Detonation Overview

Submitted

2024-11-21 00:09

Reported

2024-11-21 00:11

Platform

win10v2004-20241007-en

Max time kernel

145s

Max time network

137s

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6A389E0A = "C:\\Users\\Admin\\AppData\\Roaming\\6A389E0A\\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\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.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

Processes

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Users\Admin\AppData\Local\Temp\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe

"C:\Users\Admin\AppData\Local\Temp\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4556 -ip 4556

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4556 -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 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 71.208.201.84.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4204-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4204-1-0x0000000002170000-0x0000000002171000-memory.dmp

memory/3436-2-0x0000000000C70000-0x0000000000C76000-memory.dmp

memory/3436-3-0x0000000000C70000-0x0000000000C76000-memory.dmp

memory/4204-4-0x00000000022B0000-0x0000000002CB0000-memory.dmp

memory/4556-6-0x0000000076FE2000-0x0000000076FE3000-memory.dmp

memory/3436-7-0x00007FFB79C4D000-0x00007FFB79C4E000-memory.dmp

memory/4556-5-0x0000000000E10000-0x0000000000E16000-memory.dmp

memory/4556-8-0x00007FFB79BB0000-0x00007FFB79DA5000-memory.dmp

memory/4204-10-0x0000000000400000-0x0000000000428000-memory.dmp

memory/4204-11-0x00000000022B0000-0x0000000002CB0000-memory.dmp

memory/4556-15-0x0000000000E10000-0x0000000000E16000-memory.dmp

memory/2940-16-0x0000000000B50000-0x0000000000B56000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 00:09

Reported

2024-11-21 00:11

Platform

win7-20240903-en

Max time kernel

149s

Max time network

149s

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\EC007000 = "C:\\Users\\Admin\\AppData\\Roaming\\EC007000\\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\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.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
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Windows\SysWOW64\winver.exe 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\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.exe

"C:\Users\Admin\AppData\Local\Temp\6c77e2c6eeb5850600a6405cd7425859ededc399b7cf24bd61645b623f745a36.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/2700-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2700-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1200-3-0x0000000002D60000-0x0000000002D66000-memory.dmp

memory/1200-4-0x0000000002D60000-0x0000000002D66000-memory.dmp

memory/1200-2-0x0000000002D60000-0x0000000002D66000-memory.dmp

memory/2700-5-0x0000000001D10000-0x0000000002710000-memory.dmp

memory/1200-10-0x00000000777A1000-0x00000000777A2000-memory.dmp

memory/3068-11-0x0000000077750000-0x00000000778F9000-memory.dmp

memory/3068-9-0x000000007794F000-0x0000000077951000-memory.dmp

memory/3068-8-0x000000007794F000-0x0000000077950000-memory.dmp

memory/3068-7-0x0000000077950000-0x0000000077951000-memory.dmp

memory/3068-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2700-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/2700-13-0x0000000001D10000-0x0000000002710000-memory.dmp

memory/1200-22-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1368-25-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

memory/1148-20-0x0000000001F80000-0x0000000001F86000-memory.dmp

memory/1084-29-0x0000000002170000-0x0000000002176000-memory.dmp

memory/1200-28-0x0000000002D10000-0x0000000002D16000-memory.dmp

memory/1148-27-0x00000000777A1000-0x00000000777A2000-memory.dmp

memory/1148-26-0x0000000001F80000-0x0000000001F86000-memory.dmp

memory/3068-30-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1368-31-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

memory/1368-32-0x00000000777A1000-0x00000000777A2000-memory.dmp