Malware Analysis Report

2025-01-19 07:39

Sample ID 241114-h79emswcnr
Target 1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe
SHA256 1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116
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: 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

1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116

Threat Level: Known bad

The file 1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.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

Program crash

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-14 07:23

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-14 07:23

Reported

2024-11-14 07:25

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

98s

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\26B16D47 = "C:\\Users\\Admin\\AppData\\Roaming\\26B16D47\\bin.exe" C:\Windows\SysWOW64\winver.exe 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\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.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\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe

"C:\Users\Admin\AppData\Local\Temp\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3552 -ip 3552

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/1912-0-0x00000000005C0000-0x00000000005C1000-memory.dmp

memory/3444-2-0x0000000001150000-0x0000000001156000-memory.dmp

memory/3444-1-0x0000000001150000-0x0000000001156000-memory.dmp

memory/1912-3-0x0000000002200000-0x0000000002C00000-memory.dmp

memory/3552-4-0x0000000077502000-0x0000000077503000-memory.dmp

memory/3444-5-0x00007FFDA048D000-0x00007FFDA048E000-memory.dmp

memory/3552-6-0x00007FFDA03F0000-0x00007FFDA05E5000-memory.dmp

memory/3444-7-0x00007FFDA0620000-0x00007FFDA0621000-memory.dmp

memory/1912-8-0x0000000000400000-0x0000000000412000-memory.dmp

memory/1912-9-0x0000000002200000-0x0000000002C00000-memory.dmp

memory/3552-11-0x0000000000A40000-0x0000000000A46000-memory.dmp

memory/2648-13-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/3552-14-0x0000000000A40000-0x0000000000A46000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-14 07:23

Reported

2024-11-14 07:25

Platform

win7-20241010-en

Max time kernel

119s

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\2A4B6CA6 = "C:\\Users\\Admin\\AppData\\Roaming\\2A4B6CA6\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.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\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.exe

"C:\Users\Admin\AppData\Local\Temp\1064d20fc54b536bb7315852177bd379b284e9ab5865ddb7f8305b9fe8f7f116N.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
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
NL 178.62.201.34:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp
US 8.8.8.8:53 cmnsgscccrej.pw udp
US 216.218.185.162:80 cmnsgscccrej.pw tcp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 216.218.185.162:80 evbsdqvgmpph.pw tcp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 216.218.185.162:80 mfueeimvyrsp.pw tcp

Files

memory/2604-0-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1192-2-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1192-3-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1192-1-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/2604-4-0x0000000001D10000-0x0000000002710000-memory.dmp

memory/1216-10-0x00000000776E0000-0x0000000077889000-memory.dmp

memory/1192-9-0x0000000077731000-0x0000000077732000-memory.dmp

memory/1216-8-0x00000000778DF000-0x00000000778E1000-memory.dmp

memory/1216-7-0x00000000778DF000-0x00000000778E0000-memory.dmp

memory/1216-6-0x00000000778E0000-0x00000000778E1000-memory.dmp

memory/1216-5-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2604-11-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2604-12-0x0000000001D10000-0x0000000002710000-memory.dmp

memory/844-24-0x0000000000320000-0x0000000000326000-memory.dmp

memory/1192-21-0x00000000021A0000-0x00000000021A6000-memory.dmp

memory/1152-19-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1152-25-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1152-26-0x0000000077731000-0x0000000077732000-memory.dmp

memory/1108-27-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/844-28-0x0000000000320000-0x0000000000326000-memory.dmp

memory/844-29-0x0000000077731000-0x0000000077732000-memory.dmp

memory/1192-30-0x00000000021A0000-0x00000000021A6000-memory.dmp

memory/1216-31-0x0000000000120000-0x0000000000126000-memory.dmp