Malware Analysis Report

2025-01-19 07:30

Sample ID 231022-v16rdsha21
Target NEAS.cf4d055172f057649f428b77b1fc2890.exe
SHA256 f2601c4d9904a9874ee6a9fc25b07f20b47f9f1ab18b569702b7b4272801d706
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

f2601c4d9904a9874ee6a9fc25b07f20b47f9f1ab18b569702b7b4272801d706

Threat Level: Known bad

The file NEAS.cf4d055172f057649f428b77b1fc2890.exe 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 behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-22 17:28

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

2023-10-22 17:28

Reported

2023-10-22 23:19

Platform

win7-20231020-en

Max time kernel

150s

Max time network

153s

Command Line

"taskhost.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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\09FF359B = "C:\\Users\\Admin\\AppData\\Roaming\\09FF359B\\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 behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A 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

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:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.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
NL 192.42.116.41:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/2516-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2516-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2516-3-0x0000000001D30000-0x0000000002730000-memory.dmp

memory/2888-5-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/1244-4-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/1244-2-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/2888-7-0x0000000000370000-0x0000000000386000-memory.dmp

memory/1244-11-0x0000000077401000-0x0000000077402000-memory.dmp

memory/2888-10-0x00000000775B0000-0x00000000775B1000-memory.dmp

memory/2888-9-0x00000000775AF000-0x00000000775B1000-memory.dmp

memory/2888-8-0x00000000775AF000-0x00000000775B0000-memory.dmp

memory/1244-6-0x0000000002AE0000-0x0000000002AE6000-memory.dmp

memory/2516-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2516-13-0x0000000001D30000-0x0000000002730000-memory.dmp

memory/2888-15-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/2888-16-0x0000000000240000-0x0000000000241000-memory.dmp

memory/1244-17-0x0000000077590000-0x0000000077591000-memory.dmp

memory/1212-22-0x0000000001AC0000-0x0000000001AC6000-memory.dmp

memory/2888-28-0x00000000000D0000-0x00000000000D6000-memory.dmp

memory/1212-27-0x0000000001AC0000-0x0000000001AC6000-memory.dmp

memory/1124-26-0x0000000077401000-0x0000000077402000-memory.dmp

memory/1244-29-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

memory/1124-25-0x00000000002E0000-0x00000000002E6000-memory.dmp

memory/1244-24-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

memory/2888-33-0x0000000000250000-0x0000000000251000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-22 17:28

Reported

2023-10-22 23:19

Platform

win10v2004-20231020-en

Max time kernel

7s

Max time network

11s

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D7DA4E27 = "C:\\Users\\Admin\\AppData\\Roaming\\D7DA4E27\\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\taskhostw.exe

taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}

C:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.cf4d055172f057649f428b77b1fc2890.exe"

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc

C:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 198.1.85.104.in-addr.arpa udp

Files

memory/3844-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3844-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

memory/3448-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

memory/3844-4-0x0000000002230000-0x0000000002C30000-memory.dmp

memory/3448-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

memory/3044-7-0x0000000000A80000-0x0000000000A86000-memory.dmp

memory/3448-6-0x00007FFAA8C8D000-0x00007FFAA8C8E000-memory.dmp

memory/3044-5-0x0000000077502000-0x0000000077503000-memory.dmp

memory/3844-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3844-9-0x0000000002230000-0x0000000002C30000-memory.dmp

memory/2448-13-0x0000000000400000-0x0000000000406000-memory.dmp

memory/2432-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

memory/2448-16-0x0000000000400000-0x0000000000406000-memory.dmp

memory/3572-18-0x00000000007B0000-0x00000000007B6000-memory.dmp

memory/2640-19-0x0000000000A60000-0x0000000000A66000-memory.dmp

memory/3448-17-0x0000000002340000-0x0000000002346000-memory.dmp