Malware Analysis Report

2025-01-19 07:39

Sample ID 241104-p8th5syrbt
Target 5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N
SHA256 5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4
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

5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4

Threat Level: Known bad

The file 5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N 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

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 13:00

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: behavioral2

Detonation Overview

Submitted

2024-11-04 13:00

Reported

2024-11-04 13:02

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DC79C65B = "C:\\Users\\Admin\\AppData\\Roaming\\DC79C65B\\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\5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N.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\5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N.exe

"C:\Users\Admin\AppData\Local\Temp\5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2736 -ip 2736

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2736 -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 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 66.209.201.84.in-addr.arpa udp
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 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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

Files

memory/1436-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1436-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

memory/3376-3-0x0000000000370000-0x0000000000376000-memory.dmp

memory/3376-2-0x0000000000370000-0x0000000000376000-memory.dmp

memory/1436-4-0x0000000002300000-0x0000000002D00000-memory.dmp

memory/2736-6-0x0000000077192000-0x0000000077193000-memory.dmp

memory/2736-5-0x0000000002360000-0x0000000002366000-memory.dmp

memory/3376-8-0x00007FFE0CE2C000-0x00007FFE0CE2D000-memory.dmp

memory/3376-7-0x00007FFE0CE2D000-0x00007FFE0CE2E000-memory.dmp

memory/2736-9-0x00007FFE0CD90000-0x00007FFE0CF85000-memory.dmp

memory/1436-11-0x0000000000400000-0x000000000041E000-memory.dmp

memory/1436-12-0x0000000002300000-0x0000000002D00000-memory.dmp

memory/3376-13-0x00007FFE0CFC0000-0x00007FFE0CFC1000-memory.dmp

memory/2584-17-0x0000000000C70000-0x0000000000C76000-memory.dmp

memory/2736-18-0x0000000002360000-0x0000000002366000-memory.dmp

memory/2584-20-0x00007FFE0CFB0000-0x00007FFE0CFB1000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 13:00

Reported

2024-11-04 13:02

Platform

win7-20241010-en

Max time kernel

119s

Max time network

123s

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\233222ED = "C:\\Users\\Admin\\AppData\\Roaming\\233222ED\\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\5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N.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

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\5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N.exe

"C:\Users\Admin\AppData\Local\Temp\5c8ff9aee9ea7ccc8d999a2664f7b49174e6ee11b441bd9ac374f18fa40bb2e4N.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/2412-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2412-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1364-2-0x0000000002680000-0x0000000002686000-memory.dmp

memory/1364-3-0x0000000002680000-0x0000000002686000-memory.dmp

memory/1364-4-0x0000000002680000-0x0000000002686000-memory.dmp

memory/2412-5-0x0000000001C70000-0x0000000002670000-memory.dmp

memory/2524-6-0x0000000000100000-0x0000000000106000-memory.dmp

memory/1364-10-0x0000000077A01000-0x0000000077A02000-memory.dmp

memory/2524-9-0x0000000077BAF000-0x0000000077BB1000-memory.dmp

memory/2524-8-0x0000000077BAF000-0x0000000077BB0000-memory.dmp

memory/2524-7-0x0000000077BB0000-0x0000000077BB1000-memory.dmp

memory/2524-11-0x00000000779B0000-0x0000000077B59000-memory.dmp

memory/2412-13-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2412-14-0x0000000001C70000-0x0000000002670000-memory.dmp

memory/1300-21-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1124-25-0x0000000001E30000-0x0000000001E36000-memory.dmp

memory/1364-23-0x0000000002200000-0x0000000002206000-memory.dmp

memory/1212-26-0x00000000002E0000-0x00000000002E6000-memory.dmp

memory/1124-31-0x0000000077A01000-0x0000000077A02000-memory.dmp

memory/1124-30-0x0000000001E30000-0x0000000001E36000-memory.dmp

memory/1364-29-0x0000000002200000-0x0000000002206000-memory.dmp

memory/1300-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1212-27-0x0000000077A01000-0x0000000077A02000-memory.dmp

memory/2524-32-0x0000000000100000-0x0000000000106000-memory.dmp