Malware Analysis Report

2025-01-19 07:39

Sample ID 241117-ewq75szpgs
Target d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe
SHA256 d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3b
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

d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3b

Threat Level: Known bad

The file d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan upx

Tinba family

Tinba / TinyBanker

Adds Run key to start application

UPX packed file

Program crash

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Modifies registry class

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-17 04:17

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

2024-11-17 04:17

Reported

2024-11-17 04:19

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\5F117E1C = "C:\\Users\\Admin\\AppData\\Roaming\\5F117E1C\\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\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.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\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe

"C:\Users\Admin\AppData\Local\Temp\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.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/2848-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1212-3-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/2848-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1212-4-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/1212-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/2848-5-0x0000000001D60000-0x0000000002760000-memory.dmp

memory/540-11-0x0000000077810000-0x00000000779B9000-memory.dmp

memory/1212-10-0x0000000077861000-0x0000000077862000-memory.dmp

memory/540-9-0x0000000077A0F000-0x0000000077A11000-memory.dmp

memory/540-8-0x0000000077A0F000-0x0000000077A10000-memory.dmp

memory/540-7-0x0000000077A10000-0x0000000077A11000-memory.dmp

memory/540-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/2848-12-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2848-13-0x0000000001D60000-0x0000000002760000-memory.dmp

memory/1172-21-0x0000000000130000-0x0000000000136000-memory.dmp

memory/792-26-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

memory/1212-23-0x0000000002480000-0x0000000002486000-memory.dmp

memory/1108-28-0x0000000077861000-0x0000000077862000-memory.dmp

memory/792-33-0x0000000077861000-0x0000000077862000-memory.dmp

memory/792-32-0x0000000001EE0000-0x0000000001EE6000-memory.dmp

memory/1172-31-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1212-30-0x0000000002480000-0x0000000002486000-memory.dmp

memory/540-29-0x00000000000B0000-0x00000000000B6000-memory.dmp

memory/1108-27-0x0000000001F10000-0x0000000001F16000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-17 04:17

Reported

2024-11-17 04:19

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

95s

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0CFE1B1B = "C:\\Users\\Admin\\AppData\\Roaming\\0CFE1B1B\\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\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.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\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe

"C:\Users\Admin\AppData\Local\Temp\d90d962ca8e208a50bae1c7b71007dd46782ff66b76d4182eca7bd7b40b2cd3bN.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 236 -ip 236

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 236 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/956-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/956-1-0x0000000000680000-0x0000000000681000-memory.dmp

memory/3476-2-0x00000000007A0000-0x00000000007A6000-memory.dmp

memory/3476-3-0x00000000007A0000-0x00000000007A6000-memory.dmp

memory/956-4-0x0000000002280000-0x0000000002C80000-memory.dmp

memory/236-5-0x0000000077762000-0x0000000077763000-memory.dmp

memory/3476-6-0x00007FF8B5C2D000-0x00007FF8B5C2E000-memory.dmp

memory/236-7-0x00007FF8B5B90000-0x00007FF8B5D85000-memory.dmp

memory/956-8-0x0000000000400000-0x000000000041E000-memory.dmp

memory/956-9-0x0000000002280000-0x0000000002C80000-memory.dmp

memory/3476-10-0x00007FF8B5DC0000-0x00007FF8B5DC1000-memory.dmp

memory/3476-11-0x00007FF8B5DA0000-0x00007FF8B5DA1000-memory.dmp

memory/236-13-0x0000000000540000-0x0000000000546000-memory.dmp

memory/2700-15-0x0000000000B40000-0x0000000000B46000-memory.dmp

memory/236-16-0x0000000000540000-0x0000000000546000-memory.dmp