Malware Analysis Report

2025-01-19 07:38

Sample ID 231220-td2ngsdffm
Target dfdd01a39d003121745d71217995287f
SHA256 e78a175b191867b5d8f5b59588c27d72f5a4581b224b7b206da6111fb36e55e5
Tags
upx tinba banker 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

e78a175b191867b5d8f5b59588c27d72f5a4581b224b7b206da6111fb36e55e5

Threat Level: Known bad

The file dfdd01a39d003121745d71217995287f was found to be: Known bad.

Malicious Activity Summary

upx tinba banker persistence trojan

Tinba / TinyBanker

UPX packed file

Adds Run key to start application

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-20 15:57

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: behavioral1

Detonation Overview

Submitted

2023-12-20 15:57

Reported

2023-12-21 00:33

Platform

win7-20231215-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dfdd01a39d003121745d71217995287f.exe"

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\E00FC974 = "C:\\Users\\Admin\\AppData\\Roaming\\E00FC974\\bin.exe" 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
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:\Users\Admin\AppData\Local\Temp\dfdd01a39d003121745d71217995287f.exe

"C:\Users\Admin\AppData\Local\Temp\dfdd01a39d003121745d71217995287f.exe"

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

"C:\Windows\system32\Dwm.exe"

C:\Windows\system32\taskhost.exe

"taskhost.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
US 8.8.8.8:53 uyhgqunqkxnx.pw udp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp
US 8.8.8.8:53 cmnsgscccrej.pw udp
US 216.218.185.162:80 cmnsgscccrej.pw tcp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 216.218.185.162:80 evbsdqvgmpph.pw tcp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 216.218.185.162:80 mfueeimvyrsp.pw tcp

Files

memory/3044-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3044-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/3044-2-0x0000000001C50000-0x0000000002650000-memory.dmp

memory/1252-4-0x0000000002670000-0x0000000002676000-memory.dmp

memory/1252-11-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

memory/2136-10-0x0000000077C4F000-0x0000000077C51000-memory.dmp

memory/2136-9-0x0000000077C4F000-0x0000000077C50000-memory.dmp

memory/2136-8-0x0000000077C50000-0x0000000077C51000-memory.dmp

memory/2136-7-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/2136-6-0x0000000000E00000-0x0000000000E16000-memory.dmp

memory/1252-5-0x0000000002670000-0x0000000002676000-memory.dmp

memory/1252-3-0x0000000002670000-0x0000000002676000-memory.dmp

memory/3044-12-0x0000000000400000-0x0000000000417000-memory.dmp

memory/3044-13-0x0000000001C50000-0x0000000002650000-memory.dmp

memory/2136-16-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/1176-20-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/1176-25-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/1252-26-0x0000000002620000-0x0000000002626000-memory.dmp

memory/1116-24-0x0000000077AA1000-0x0000000077AA2000-memory.dmp

memory/1116-23-0x0000000001B40000-0x0000000001B46000-memory.dmp

memory/1252-22-0x0000000002620000-0x0000000002626000-memory.dmp

memory/2136-30-0x00000000001D0000-0x00000000001D1000-memory.dmp

memory/2136-31-0x00000000000D0000-0x00000000000D6000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-20 15:57

Reported

2023-12-21 00:33

Platform

win10v2004-20231215-en

Max time kernel

10s

Max time network

12s

Command Line

C:\Windows\Explorer.EXE

Signatures

Tinba / TinyBanker

trojan banker tinba

UPX packed file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\91DA85DF = "C:\\Users\\Admin\\AppData\\Roaming\\91DA85DF\\bin.exe" 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 FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\winver.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\dfdd01a39d003121745d71217995287f.exe

"C:\Users\Admin\AppData\Local\Temp\dfdd01a39d003121745d71217995287f.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 19.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/512-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/512-1-0x00000000004B0000-0x00000000004B1000-memory.dmp

memory/3500-3-0x00000000006E0000-0x00000000006E6000-memory.dmp

memory/512-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/3500-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

memory/3500-6-0x00007FFC912ED000-0x00007FFC912EE000-memory.dmp

memory/4072-5-0x0000000077802000-0x0000000077803000-memory.dmp

memory/4072-7-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

memory/512-8-0x0000000000400000-0x0000000000417000-memory.dmp

memory/512-9-0x00000000021B0000-0x0000000002BB0000-memory.dmp

memory/2608-18-0x0000000000250000-0x0000000000256000-memory.dmp

memory/3868-21-0x0000012404E00000-0x0000012404E01000-memory.dmp