Malware Analysis Report

2025-01-19 07:41

Sample ID 241102-zk187axqfk
Target 5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN
SHA256 5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7a
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: 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

5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7a

Threat Level: Known bad

The file 5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN was found to be: Known bad.

Malicious Activity Summary

tinba banker discovery persistence trojan upx

Tinba family

Tinba / TinyBanker

Adds Run key to start application

UPX packed file

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-02 20:47

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: behavioral1

Detonation Overview

Submitted

2024-11-02 20:47

Reported

2024-11-02 20:49

Platform

win7-20240903-en

Max time kernel

119s

Max time network

124s

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\4D3F1242 = "C:\\Users\\Admin\\AppData\\Roaming\\4D3F1242\\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\5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN.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\5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN.exe

"C:\Users\Admin\AppData\Local\Temp\5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN.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/2728-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2728-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1200-3-0x0000000002510000-0x0000000002516000-memory.dmp

memory/1200-2-0x0000000002510000-0x0000000002516000-memory.dmp

memory/1200-4-0x0000000002510000-0x0000000002516000-memory.dmp

memory/2728-5-0x0000000001E40000-0x0000000002840000-memory.dmp

memory/2688-11-0x00000000778E0000-0x0000000077A89000-memory.dmp

memory/1200-10-0x0000000077931000-0x0000000077932000-memory.dmp

memory/2688-9-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

memory/2688-8-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

memory/2688-7-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

memory/2688-6-0x0000000000120000-0x0000000000126000-memory.dmp

memory/2728-12-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2728-13-0x0000000001E40000-0x0000000002840000-memory.dmp

memory/1476-24-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

memory/1168-28-0x0000000077931000-0x0000000077932000-memory.dmp

memory/1076-27-0x0000000077931000-0x0000000077932000-memory.dmp

memory/1476-26-0x0000000077931000-0x0000000077932000-memory.dmp

memory/1200-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

memory/1476-23-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

memory/1200-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

memory/1168-19-0x0000000000230000-0x0000000000236000-memory.dmp

memory/1168-29-0x0000000077931000-0x0000000077932000-memory.dmp

memory/1076-30-0x0000000000210000-0x0000000000216000-memory.dmp

memory/1168-31-0x0000000000230000-0x0000000000236000-memory.dmp

memory/2688-32-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1476-36-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-02 20:47

Reported

2024-11-02 20:50

Platform

win10v2004-20241007-en

Max time kernel

117s

Max time network

109s

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CD495823 = "C:\\Users\\Admin\\AppData\\Roaming\\CD495823\\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\5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN.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\5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN.exe

"C:\Users\Admin\AppData\Local\Temp\5129ed039f5f477b336897e48564a8ef74d484e900d23d52cfe018d3c77caa7aN.exe"

C:\Windows\SysWOW64\winver.exe

winver

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3320 -ip 3320

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 352

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 110.11.19.2.in-addr.arpa udp
US 8.8.8.8:53 178.11.19.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.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 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/2300-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/3472-2-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

memory/3472-3-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

memory/2300-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/2300-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/3472-7-0x00007FFC191CC000-0x00007FFC191CD000-memory.dmp

memory/3472-6-0x00007FFC191CD000-0x00007FFC191CE000-memory.dmp

memory/3320-5-0x0000000077812000-0x0000000077813000-memory.dmp

memory/3320-8-0x00007FFC19130000-0x00007FFC19325000-memory.dmp

memory/2300-10-0x0000000000400000-0x000000000041E000-memory.dmp

memory/3472-12-0x00007FFC19360000-0x00007FFC19361000-memory.dmp

memory/2300-11-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/3320-14-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

memory/2840-16-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

memory/3320-17-0x0000000002BC0000-0x0000000002BC6000-memory.dmp

memory/2840-19-0x00007FFC19350000-0x00007FFC19351000-memory.dmp