Malware Analysis Report

2025-01-19 07:30

Sample ID 231025-1m8lqagg6s
Target NEAS.f912be8287054d423391ab02ae3ce840.exe
SHA256 21975b5d29637803300a8442c7f0cedd2966acc4a15fde77479ac5ad7b01c5ba
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

21975b5d29637803300a8442c7f0cedd2966acc4a15fde77479ac5ad7b01c5ba

Threat Level: Known bad

The file NEAS.f912be8287054d423391ab02ae3ce840.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

2023-10-25 21:47

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
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-10-25 21:47

Reported

2023-10-25 21:49

Platform

win7-20231020-en

Max time kernel

150s

Max time network

152s

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-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\B1026F82 = "C:\\Users\\Admin\\AppData\\Roaming\\B1026F82\\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\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.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/3068-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3068-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/3068-3-0x0000000001B70000-0x0000000002570000-memory.dmp

memory/1272-4-0x0000000002990000-0x0000000002996000-memory.dmp

memory/2140-9-0x000000007757F000-0x0000000077581000-memory.dmp

memory/2140-8-0x000000007757F000-0x0000000077580000-memory.dmp

memory/2140-7-0x0000000077580000-0x0000000077581000-memory.dmp

memory/1272-6-0x0000000002990000-0x0000000002996000-memory.dmp

memory/2140-5-0x0000000000100000-0x0000000000106000-memory.dmp

memory/1272-10-0x00000000773D1000-0x00000000773D2000-memory.dmp

memory/1272-2-0x0000000002990000-0x0000000002996000-memory.dmp

memory/2140-11-0x0000000000DD0000-0x0000000000DE6000-memory.dmp

memory/3068-12-0x0000000000400000-0x000000000041D000-memory.dmp

memory/3068-13-0x0000000001B70000-0x0000000002570000-memory.dmp

memory/2140-16-0x0000000000150000-0x0000000000151000-memory.dmp

memory/1132-20-0x0000000000410000-0x0000000000416000-memory.dmp

memory/1132-21-0x00000000773D1000-0x00000000773D2000-memory.dmp

memory/2140-23-0x0000000000100000-0x0000000000106000-memory.dmp

memory/1232-27-0x0000000000120000-0x0000000000126000-memory.dmp

memory/1272-26-0x00000000029A0000-0x00000000029A6000-memory.dmp

memory/1272-28-0x00000000029A0000-0x00000000029A6000-memory.dmp

memory/2140-32-0x0000000000160000-0x0000000000161000-memory.dmp

memory/1272-33-0x0000000077560000-0x0000000077561000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-25 21:47

Reported

2023-10-25 21:49

Platform

win10v2004-20231023-en

Max time kernel

7s

Max time network

10s

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-1-5-21-984744499-3605095035-265325720-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4A442582 = "C:\\Users\\Admin\\AppData\\Roaming\\4A442582\\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:\Windows\system32\sihost.exe

sihost.exe

C:\Windows\system32\svchost.exe

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

C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.f912be8287054d423391ab02ae3ce840.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 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 126.178.238.8.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 219.21.30.184.in-addr.arpa udp

Files

memory/4092-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4092-1-0x0000000002160000-0x0000000002161000-memory.dmp

memory/3272-2-0x0000000001230000-0x0000000001236000-memory.dmp

memory/4092-4-0x0000000002240000-0x0000000002C40000-memory.dmp

memory/3272-3-0x0000000001230000-0x0000000001236000-memory.dmp

memory/752-5-0x0000000077272000-0x0000000077273000-memory.dmp

memory/3272-6-0x00007FFC9650D000-0x00007FFC9650E000-memory.dmp

memory/752-7-0x0000000000540000-0x0000000000546000-memory.dmp

memory/4092-8-0x0000000000400000-0x000000000041D000-memory.dmp

memory/4092-9-0x0000000002240000-0x0000000002C40000-memory.dmp

memory/2340-13-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/2460-14-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

memory/2340-16-0x00000000002A0000-0x00000000002A6000-memory.dmp

memory/3272-17-0x0000000001250000-0x0000000001256000-memory.dmp

memory/2460-19-0x0000000000BA0000-0x0000000000BA6000-memory.dmp