Malware Analysis Report

2025-01-19 07:39

Sample ID 241107-hrh8hsyarq
Target c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN
SHA256 c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620c
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: 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

c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620c

Threat Level: Known bad

The file c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan

Tinba / TinyBanker

Tinba family

Adds Run key to start application

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-07 06:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-07 06:58

Reported

2024-11-07 07:00

Platform

win7-20240903-en

Max time kernel

120s

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\A6F294E4 = "C:\\Users\\Admin\\AppData\\Roaming\\A6F294E4\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Enumerates physical storage devices

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\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe C:\Windows\SysWOW64\winver.exe
PID 1800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe C:\Windows\SysWOW64\winver.exe
PID 1800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe C:\Windows\SysWOW64\winver.exe
PID 1800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe C:\Windows\SysWOW64\winver.exe
PID 1800 wrote to memory of 2808 N/A C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe C:\Windows\SysWOW64\winver.exe
PID 2808 wrote to memory of 1216 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2808 wrote to memory of 1128 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2808 wrote to memory of 1184 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2808 wrote to memory of 1216 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2808 wrote to memory of 1272 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe
PID 2808 wrote to memory of 1800 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe

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\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe

"C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 elitiorecfreetoo.cc udp
US 216.218.185.162:80 elitiorecfreetoo.cc tcp

Files

memory/1216-1-0x0000000002F10000-0x0000000002F16000-memory.dmp

memory/2808-4-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1216-3-0x0000000002F10000-0x0000000002F16000-memory.dmp

memory/1216-6-0x0000000002F10000-0x0000000002F16000-memory.dmp

memory/2808-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1272-18-0x0000000002280000-0x0000000002286000-memory.dmp

memory/1216-15-0x0000000002F20000-0x0000000002F26000-memory.dmp

memory/1184-12-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

memory/1128-9-0x00000000001E0000-0x00000000001E6000-memory.dmp

memory/1800-25-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1272-29-0x0000000002280000-0x0000000002286000-memory.dmp

memory/1184-28-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

memory/1216-27-0x0000000002F20000-0x0000000002F26000-memory.dmp

memory/1128-26-0x00000000001E0000-0x00000000001E6000-memory.dmp

memory/2808-31-0x00000000001D0000-0x00000000001D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-07 06:58

Reported

2024-11-07 07:00

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

94s

Command Line

sihost.exe

Signatures

Enumerates physical storage devices

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\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\winver.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client" C:\Windows\System32\svchost.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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.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\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe

"C:\Users\Admin\AppData\Local\Temp\c2480d50e7de7f652e14ab7fa92db97dab013b150370d6a2b4148b344d81620cN.exe"

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4864 -ip 4864

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4864 -s 300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 392 -ip 392

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 392 -s 888

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

memory/392-1-0x0000000004530000-0x0000000004B88000-memory.dmp

memory/392-2-0x00000000044E0000-0x00000000044E1000-memory.dmp

memory/392-3-0x0000000004530000-0x0000000004B88000-memory.dmp

memory/392-4-0x00000000044E0000-0x00000000044E1000-memory.dmp

memory/3444-6-0x0000000000710000-0x0000000000716000-memory.dmp

memory/3444-7-0x0000000000710000-0x0000000000716000-memory.dmp

memory/392-8-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3444-12-0x0000000000750000-0x0000000000756000-memory.dmp

memory/392-11-0x0000000005A80000-0x0000000006480000-memory.dmp

memory/2608-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/392-16-0x0000000005A80000-0x0000000006480000-memory.dmp

memory/392-20-0x0000000004530000-0x0000000004B88000-memory.dmp

memory/2608-21-0x00000000001D0000-0x00000000001D6000-memory.dmp