Malware Analysis Report

2024-09-09 17:07

Sample ID 240707-bbn1haygjr
Target 95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664
SHA256 95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664
Tags
tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664

Threat Level: Known bad

The file 95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664 was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-07 00:58

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-07 00:58

Reported

2024-07-07 01:13

Platform

win7-20240705-en

Max time kernel

148s

Max time network

150s

Command Line

"taskhost.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\9AC02820 = "C:\\Users\\Admin\\AppData\\Roaming\\9AC02820\\bin.exe" C:\Windows\SysWOW64\winver.exe N/A

Enumerates physical storage devices

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

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2552 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.exe C:\Windows\SysWOW64\winver.exe
PID 2552 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.exe C:\Windows\SysWOW64\winver.exe
PID 2552 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.exe C:\Windows\SysWOW64\winver.exe
PID 2552 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.exe C:\Windows\SysWOW64\winver.exe
PID 2552 wrote to memory of 2792 N/A C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.exe C:\Windows\SysWOW64\winver.exe
PID 2792 wrote to memory of 1168 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2792 wrote to memory of 1088 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 2792 wrote to memory of 1096 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 2792 wrote to memory of 1168 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 2792 wrote to memory of 1848 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe
PID 2792 wrote to memory of 2552 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.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\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.exe

"C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.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
US 8.8.8.8:53 ljjskttqximu.com udp
US 8.8.8.8:53 ljjskttqximu.net udp
US 8.8.8.8:53 ljjskttqximu.in udp
US 216.218.185.162:80 ljjskttqximu.in tcp
US 8.8.8.8:53 ljjskttqximu.ru udp
US 162.249.66.138:80 ljjskttqximu.ru tcp
US 8.8.8.8:53 fovcpylsiqvv.com udp
US 216.218.185.162:80 fovcpylsiqvv.com tcp
US 8.8.8.8:53 fovcpylsiqvv.net udp
US 8.8.8.8:53 fovcpylsiqvv.in udp
US 216.218.185.162:80 fovcpylsiqvv.in tcp

Files

memory/1168-3-0x0000000002E70000-0x0000000002E76000-memory.dmp

memory/1168-6-0x0000000002E70000-0x0000000002E76000-memory.dmp

memory/2792-4-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1168-1-0x0000000002E70000-0x0000000002E76000-memory.dmp

memory/2792-23-0x0000000000220000-0x0000000000226000-memory.dmp

memory/1848-18-0x0000000001F10000-0x0000000001F16000-memory.dmp

memory/1168-15-0x0000000002E80000-0x0000000002E86000-memory.dmp

memory/1096-12-0x0000000000130000-0x0000000000136000-memory.dmp

memory/1088-9-0x0000000000480000-0x0000000000486000-memory.dmp

memory/2552-25-0x0000000000400000-0x000000000043C000-memory.dmp

memory/1848-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

memory/1088-28-0x0000000000480000-0x0000000000486000-memory.dmp

memory/1168-27-0x0000000002E80000-0x0000000002E86000-memory.dmp

memory/1096-26-0x0000000000130000-0x0000000000136000-memory.dmp

memory/2792-31-0x0000000000220000-0x0000000000226000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-07 00:58

Reported

2024-07-07 01:11

Platform

win10v2004-20240704-en

Max time kernel

137s

Max time network

100s

Command Line

sihost.exe

Signatures

Enumerates physical storage devices

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\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.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\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.exe

"C:\Users\Admin\AppData\Local\Temp\95c096420450e502c8a035eec7c8a1a7622e3930a1e7a3af7c66e90e1227f664.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 408 -p 1020 -ip 1020

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 300

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 852 -ip 852

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 888

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 elitiorecfreetoo.cc udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/852-1-0x0000000004630000-0x0000000004C88000-memory.dmp

memory/852-2-0x0000000003D80000-0x0000000003D81000-memory.dmp

memory/3380-5-0x0000000001200000-0x0000000001206000-memory.dmp

memory/3380-4-0x0000000001200000-0x0000000001206000-memory.dmp

memory/852-6-0x0000000000400000-0x000000000043C000-memory.dmp

memory/3380-10-0x0000000001270000-0x0000000001276000-memory.dmp

memory/852-11-0x0000000005740000-0x0000000006140000-memory.dmp

memory/3012-12-0x00000000005E0000-0x00000000005E6000-memory.dmp

memory/852-13-0x0000000005740000-0x0000000006140000-memory.dmp

memory/852-17-0x0000000004630000-0x0000000004C88000-memory.dmp

memory/3012-18-0x00000000005E0000-0x00000000005E6000-memory.dmp