Malware Analysis Report

2025-01-19 07:41

Sample ID 241103-k46kpazhkh
Target d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N
SHA256 d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01
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

d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01

Threat Level: Known bad

The file d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N 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

System Location Discovery: System Language Discovery

Program crash

Suspicious use of WriteProcessMemory

Suspicious use of UnmapMainImage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-03 09:10

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-03 09:10

Reported

2024-11-03 09:12

Platform

win7-20240708-en

Max time kernel

148s

Max time network

152s

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\62B3C8D2 = "C:\\Users\\Admin\\AppData\\Roaming\\62B3C8D2\\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:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2644 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe C:\Windows\SysWOW64\winver.exe
PID 2644 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe C:\Windows\SysWOW64\winver.exe
PID 2644 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe C:\Windows\SysWOW64\winver.exe
PID 2644 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe C:\Windows\SysWOW64\winver.exe
PID 2644 wrote to memory of 1988 N/A C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe C:\Windows\SysWOW64\winver.exe
PID 1988 wrote to memory of 1196 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1988 wrote to memory of 1116 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\taskhost.exe
PID 1988 wrote to memory of 1172 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\Dwm.exe
PID 1988 wrote to memory of 1196 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\Explorer.EXE
PID 1988 wrote to memory of 1192 N/A C:\Windows\SysWOW64\winver.exe C:\Windows\system32\DllHost.exe
PID 1988 wrote to memory of 2644 N/A C:\Windows\SysWOW64\winver.exe C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.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\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe

"C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 insamertojertoq.cc udp
US 8.8.8.8:53 yxjsibeugmmj.com udp
US 216.218.185.162:80 yxjsibeugmmj.com tcp

Files

memory/2644-0-0x0000000000280000-0x0000000000282000-memory.dmp

memory/1196-5-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/1988-3-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1196-2-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/1196-1-0x00000000024D0000-0x00000000024D6000-memory.dmp

memory/2644-6-0x00000000024E0000-0x0000000002EE0000-memory.dmp

memory/1988-13-0x0000000077A50000-0x0000000077BF9000-memory.dmp

memory/1196-12-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

memory/1988-11-0x00000000001A0000-0x00000000001A1000-memory.dmp

memory/1988-10-0x0000000077C4F000-0x0000000077C51000-memory.dmp

memory/1988-9-0x0000000077C4F000-0x0000000077C50000-memory.dmp

memory/1988-7-0x0000000000160000-0x0000000000166000-memory.dmp

memory/1988-8-0x0000000077C50000-0x0000000077C51000-memory.dmp

memory/2644-14-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1192-24-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

memory/1172-32-0x0000000002090000-0x0000000002096000-memory.dmp

memory/1192-31-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

memory/1192-30-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

memory/1196-29-0x00000000024E0000-0x00000000024E6000-memory.dmp

memory/1116-28-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

memory/1116-27-0x0000000000410000-0x0000000000416000-memory.dmp

memory/1196-22-0x00000000024E0000-0x00000000024E6000-memory.dmp

memory/1172-19-0x0000000002090000-0x0000000002096000-memory.dmp

memory/1116-17-0x0000000000410000-0x0000000000416000-memory.dmp

memory/2644-33-0x00000000024E0000-0x0000000002EE0000-memory.dmp

memory/1988-39-0x0000000000160000-0x0000000000166000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-03 09:10

Reported

2024-11-03 09:12

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

sihost.exe

Signatures

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\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.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\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe

"C:\Users\Admin\AppData\Local\Temp\d36f0b687676c4426e2190b4a9e54dd25a8f6f491de2d7f7e827c1684675be01N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 544 -ip 544

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 640

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 insamertojertoq.cc udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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 68.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 100.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 udp

Files

memory/552-0-0x0000000000580000-0x0000000000582000-memory.dmp

memory/544-2-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/3432-4-0x0000000000C70000-0x0000000000C76000-memory.dmp

memory/3432-1-0x0000000000C70000-0x0000000000C76000-memory.dmp

memory/552-5-0x0000000002240000-0x0000000002C40000-memory.dmp

memory/3432-7-0x00007FFD9DC2D000-0x00007FFD9DC2E000-memory.dmp

memory/544-6-0x0000000077172000-0x0000000077173000-memory.dmp

memory/544-8-0x00007FFD9DB90000-0x00007FFD9DD85000-memory.dmp

memory/552-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/552-11-0x0000000002240000-0x0000000002C40000-memory.dmp

memory/2636-10-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

memory/2636-12-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

memory/3432-13-0x00007FFD9DDC0000-0x00007FFD9DDC1000-memory.dmp

memory/544-14-0x00000000024A0000-0x00000000024A6000-memory.dmp

memory/2636-16-0x00007FFD9DDB0000-0x00007FFD9DDB1000-memory.dmp