Malware Analysis Report

2025-01-19 07:41

Sample ID 241106-hycpbawglj
Target fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N
SHA256 fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5
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: 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

fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5

Threat Level: Known bad

The file fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan upx

Tinba / TinyBanker

Tinba family

Adds Run key to start application

UPX packed file

System Location Discovery: System Language Discovery

Unsigned PE

Program crash

Suspicious use of SendNotifyMessage

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

2024-11-06 07:08

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
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-06 07:08

Reported

2024-11-06 07:10

Platform

win10v2004-20241007-en

Max time kernel

118s

Max time network

106s

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6756F631 = "C:\\Users\\Admin\\AppData\\Roaming\\6756F631\\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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe

"C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3996 -ip 3996

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.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 10.28.171.150.in-addr.arpa udp

Files

memory/2044-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2044-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3472-2-0x0000000000570000-0x0000000000576000-memory.dmp

memory/3472-3-0x0000000000570000-0x0000000000576000-memory.dmp

memory/2044-4-0x00000000021C0000-0x0000000002BC0000-memory.dmp

memory/3472-7-0x00007FF9FDE2D000-0x00007FF9FDE2E000-memory.dmp

memory/3996-6-0x0000000077122000-0x0000000077123000-memory.dmp

memory/3996-5-0x0000000002120000-0x0000000002126000-memory.dmp

memory/3996-8-0x00007FF9FDD90000-0x00007FF9FDF85000-memory.dmp

memory/2044-10-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3472-11-0x00007FF9FDFC0000-0x00007FF9FDFC1000-memory.dmp

memory/2044-12-0x00000000021C0000-0x0000000002BC0000-memory.dmp

memory/3092-16-0x0000000000540000-0x0000000000546000-memory.dmp

memory/3996-17-0x0000000002120000-0x0000000002126000-memory.dmp

memory/3092-19-0x00007FF9FDFB0000-0x00007FF9FDFB1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-06 07:08

Reported

2024-11-06 07:10

Platform

win7-20240903-en

Max time kernel

118s

Max time network

118s

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\942C9F54 = "C:\\Users\\Admin\\AppData\\Roaming\\942C9F54\\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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.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\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe

"C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.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/2496-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2496-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1160-4-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

memory/1160-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

memory/1160-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

memory/1160-10-0x0000000077121000-0x0000000077122000-memory.dmp

memory/2288-11-0x00000000770D0000-0x0000000077279000-memory.dmp

memory/2288-9-0x00000000772CF000-0x00000000772D1000-memory.dmp

memory/2288-8-0x00000000772CF000-0x00000000772D0000-memory.dmp

memory/2288-7-0x00000000772D0000-0x00000000772D1000-memory.dmp

memory/2288-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2496-5-0x0000000001E10000-0x0000000002810000-memory.dmp

memory/2496-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2496-13-0x0000000001E10000-0x0000000002810000-memory.dmp

memory/1080-19-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1436-23-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

memory/1160-21-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1436-30-0x0000000077121000-0x0000000077122000-memory.dmp

memory/1436-29-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

memory/2288-28-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1160-27-0x0000000002D80000-0x0000000002D86000-memory.dmp

memory/1048-26-0x0000000000220000-0x0000000000226000-memory.dmp

memory/1080-25-0x0000000077121000-0x0000000077122000-memory.dmp

memory/1080-24-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1048-34-0x0000000000220000-0x0000000000226000-memory.dmp