Malware Analysis Report

2025-01-19 07:31

Sample ID 231028-ms8l1shf4y
Target NEAS.b629945c89457faa408981dcdd008f40.exe
SHA256 05a8f963d6f5d95515eebc21af34608ccc5ae92528b9bcb3ee5e25a0497a4d40
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

05a8f963d6f5d95515eebc21af34608ccc5ae92528b9bcb3ee5e25a0497a4d40

Threat Level: Known bad

The file NEAS.b629945c89457faa408981dcdd008f40.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 use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-28 10:44

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

2023-10-28 10:44

Reported

2023-10-28 10:47

Platform

win7-20231020-en

Max time kernel

150s

Max time network

152s

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-1-5-21-2952504676-3105837840-1406404655-1000\Software\Microsoft\Windows\CurrentVersion\Run\0747E4E2 = "C:\\Users\\Admin\\AppData\\Roaming\\0747E4E2\\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\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

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

C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.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/2160-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2160-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2160-3-0x0000000001CD0000-0x00000000026D0000-memory.dmp

memory/1352-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/824-4-0x0000000000140000-0x0000000000146000-memory.dmp

memory/824-7-0x00000000003F0000-0x0000000000406000-memory.dmp

memory/1352-6-0x00000000025A0000-0x00000000025A6000-memory.dmp

memory/1352-11-0x0000000077731000-0x0000000077732000-memory.dmp

memory/824-10-0x00000000778E0000-0x00000000778E1000-memory.dmp

memory/824-9-0x00000000778DF000-0x00000000778E1000-memory.dmp

memory/824-8-0x00000000778DF000-0x00000000778E0000-memory.dmp

memory/2160-12-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2160-13-0x0000000001CD0000-0x00000000026D0000-memory.dmp

memory/824-15-0x0000000000140000-0x0000000000146000-memory.dmp

memory/824-16-0x0000000000180000-0x0000000000181000-memory.dmp

memory/1152-20-0x00000000003D0000-0x00000000003D6000-memory.dmp

memory/1152-21-0x0000000077731000-0x0000000077732000-memory.dmp

memory/824-23-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1276-25-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1352-26-0x00000000025B0000-0x00000000025B6000-memory.dmp

memory/1352-27-0x00000000025B0000-0x00000000025B6000-memory.dmp

memory/824-31-0x0000000000190000-0x0000000000191000-memory.dmp

memory/1352-32-0x00000000778C0000-0x00000000778C1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-28 10:44

Reported

2023-10-28 10:47

Platform

win10v2004-20231020-en

Max time kernel

12s

Max time network

18s

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\5E5389CD = "C:\\Users\\Admin\\AppData\\Roaming\\5E5389CD\\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:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.b629945c89457faa408981dcdd008f40.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 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 163.233.99.104.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp

Files

memory/2280-0-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2280-1-0x00000000005A0000-0x00000000005A1000-memory.dmp

memory/3324-2-0x0000000000A70000-0x0000000000A76000-memory.dmp

memory/3324-3-0x0000000000A70000-0x0000000000A76000-memory.dmp

memory/2280-4-0x0000000002320000-0x0000000002D20000-memory.dmp

memory/5064-5-0x0000000077A92000-0x0000000077A93000-memory.dmp

memory/3324-6-0x00007FFA5E72D000-0x00007FFA5E72E000-memory.dmp

memory/5064-7-0x0000000002D40000-0x0000000002D46000-memory.dmp

memory/2280-8-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2280-9-0x0000000002320000-0x0000000002D20000-memory.dmp

memory/2564-13-0x0000000000C50000-0x0000000000C56000-memory.dmp

memory/2504-15-0x0000000000770000-0x0000000000776000-memory.dmp

memory/3324-16-0x0000000000A40000-0x0000000000A46000-memory.dmp

memory/2832-14-0x0000000000940000-0x0000000000946000-memory.dmp

memory/3496-19-0x0000000000630000-0x0000000000636000-memory.dmp

memory/3688-21-0x0000000000A40000-0x0000000000A46000-memory.dmp