Malware Analysis Report

2025-01-19 07:26

Sample ID 231104-17w4eshg88
Target NEAS.dff5608c7b55e2f82f0dc01d2ecdeed0_JC.exe
SHA256 1a7b65212a82db2bec1c75e0f0c39bf0272512212c6a035b87b1237b10ff7c7d
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

1a7b65212a82db2bec1c75e0f0c39bf0272512212c6a035b87b1237b10ff7c7d

Threat Level: Known bad

The file NEAS.dff5608c7b55e2f82f0dc01d2ecdeed0_JC.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: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-04 22:18

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

2023-11-04 22:18

Reported

2023-11-04 22:20

Platform

win7-20231023-en

Max time kernel

150s

Max time network

151s

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-1-5-21-3425689832-2386927309-2650718742-1000\Software\Microsoft\Windows\CurrentVersion\Run\D3AE8A00 = "C:\\Users\\Admin\\AppData\\Roaming\\D3AE8A00\\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.dff5608c7b55e2f82f0dc01d2ecdeed0_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.dff5608c7b55e2f82f0dc01d2ecdeed0_JC.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/1336-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1336-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1336-3-0x0000000001CC0000-0x00000000026C0000-memory.dmp

memory/1308-2-0x00000000027C0000-0x00000000027C6000-memory.dmp

memory/2912-4-0x0000000000150000-0x0000000000156000-memory.dmp

memory/2912-8-0x000000007751F000-0x0000000077520000-memory.dmp

memory/1308-11-0x0000000077371000-0x0000000077372000-memory.dmp

memory/2912-10-0x0000000077520000-0x0000000077521000-memory.dmp

memory/2912-9-0x000000007751F000-0x0000000077521000-memory.dmp

memory/2912-7-0x0000000000CC0000-0x0000000000CD6000-memory.dmp

memory/1308-6-0x00000000027C0000-0x00000000027C6000-memory.dmp

memory/1336-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1336-13-0x0000000001CC0000-0x00000000026C0000-memory.dmp

memory/2912-15-0x0000000000150000-0x0000000000156000-memory.dmp

memory/2912-16-0x0000000000190000-0x0000000000191000-memory.dmp

memory/1308-17-0x0000000077500000-0x0000000077501000-memory.dmp

memory/1268-22-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/2912-28-0x0000000000150000-0x0000000000156000-memory.dmp

memory/1268-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1156-26-0x0000000077371000-0x0000000077372000-memory.dmp

memory/1156-25-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

memory/1308-24-0x00000000027D0000-0x00000000027D6000-memory.dmp

memory/1308-29-0x00000000027D0000-0x00000000027D6000-memory.dmp

memory/2912-33-0x00000000001A0000-0x00000000001A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-04 22:18

Reported

2023-11-04 22:20

Platform

win10v2004-20231020-en

Max time kernel

7s

Max time network

11s

Command Line

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

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\64CA7B3A = "C:\\Users\\Admin\\AppData\\Roaming\\64CA7B3A\\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\system32\taskhostw.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\svchost.exe

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

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.dff5608c7b55e2f82f0dc01d2ecdeed0_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.dff5608c7b55e2f82f0dc01d2ecdeed0_JC.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.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 8.8.8.8:53 198.1.85.104.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp

Files

memory/4204-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4204-1-0x0000000000510000-0x0000000000511000-memory.dmp

memory/3436-3-0x0000000000900000-0x0000000000906000-memory.dmp

memory/4204-4-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/3436-2-0x0000000000900000-0x0000000000906000-memory.dmp

memory/3436-5-0x00007FFD5DCCD000-0x00007FFD5DCCE000-memory.dmp

memory/4256-6-0x0000000077EC2000-0x0000000077EC3000-memory.dmp

memory/4256-7-0x0000000002730000-0x0000000002736000-memory.dmp

memory/4204-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4204-9-0x0000000002190000-0x0000000002B90000-memory.dmp

memory/3436-10-0x00007FFD5DE60000-0x00007FFD5DE61000-memory.dmp

memory/2436-14-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

memory/3436-17-0x0000000000940000-0x0000000000946000-memory.dmp

memory/2656-19-0x0000000000F20000-0x0000000000F26000-memory.dmp

memory/3604-18-0x0000000000C90000-0x0000000000C96000-memory.dmp