Malware Analysis Report

2025-01-19 07:27

Sample ID 231102-tfs45aee8z
Target NEAS.f077f96f2cf99138a1fb8e388c639cd0_JC.exe
SHA256 3fa0d5bb788cc7ae14cbf786fa7a320f5fda02ac815cc1e13b42c503b776c860
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

3fa0d5bb788cc7ae14cbf786fa7a320f5fda02ac815cc1e13b42c503b776c860

Threat Level: Known bad

The file NEAS.f077f96f2cf99138a1fb8e388c639cd0_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: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-11-02 16:00

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

2023-11-02 16:00

Reported

2023-11-02 16:06

Platform

win7-20231023-en

Max time kernel

213s

Max time network

235s

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
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\39CA302D = "C:\\Users\\Admin\\AppData\\Roaming\\39CA302D\\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

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.f077f96f2cf99138a1fb8e388c639cd0_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_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/2680-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2680-1-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2680-2-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2680-3-0x0000000001EE0000-0x00000000028E0000-memory.dmp

memory/1280-11-0x0000000002A70000-0x0000000002A76000-memory.dmp

memory/2728-10-0x0000000077630000-0x0000000077631000-memory.dmp

memory/2728-9-0x000000007762F000-0x0000000077631000-memory.dmp

memory/2728-8-0x000000007762F000-0x0000000077630000-memory.dmp

memory/1280-12-0x0000000077481000-0x0000000077482000-memory.dmp

memory/2728-7-0x0000000000090000-0x0000000000096000-memory.dmp

memory/2728-6-0x0000000000F40000-0x0000000000F56000-memory.dmp

memory/1280-5-0x0000000002A70000-0x0000000002A76000-memory.dmp

memory/1280-4-0x0000000002A70000-0x0000000002A76000-memory.dmp

memory/2680-13-0x0000000001EE0000-0x00000000028E0000-memory.dmp

memory/1280-14-0x0000000077610000-0x0000000077611000-memory.dmp

memory/2680-15-0x0000000000400000-0x000000000041D000-memory.dmp

memory/2728-18-0x0000000000200000-0x0000000000201000-memory.dmp

memory/2728-22-0x0000000000090000-0x0000000000096000-memory.dmp

memory/1136-23-0x0000000077481000-0x0000000077482000-memory.dmp

memory/1236-28-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1280-27-0x0000000002A90000-0x0000000002A96000-memory.dmp

memory/1280-29-0x0000000002A90000-0x0000000002A96000-memory.dmp

memory/1136-30-0x0000000001C60000-0x0000000001C66000-memory.dmp

memory/2728-33-0x0000000000210000-0x0000000000211000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-11-02 16:00

Reported

2023-11-02 16:03

Platform

win10v2004-20231020-en

Max time kernel

20s

Max time network

27s

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0D71A2EE = "C:\\Users\\Admin\\AppData\\Roaming\\0D71A2EE\\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\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.f077f96f2cf99138a1fb8e388c639cd0_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.f077f96f2cf99138a1fb8e388c639cd0_JC.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp

Files

memory/1512-0-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1512-1-0x0000000000570000-0x0000000000571000-memory.dmp

memory/1512-2-0x0000000002130000-0x0000000002B30000-memory.dmp

memory/3280-3-0x00000000012D0000-0x00000000012D6000-memory.dmp

memory/3552-4-0x00000000004D0000-0x00000000004E2000-memory.dmp

memory/3552-6-0x0000000002C80000-0x0000000002C86000-memory.dmp

memory/3280-5-0x00000000012D0000-0x00000000012D6000-memory.dmp

memory/3280-7-0x00007FFC1A1ED000-0x00007FFC1A1EE000-memory.dmp

memory/3552-8-0x0000000077B82000-0x0000000077B83000-memory.dmp

memory/1512-9-0x0000000000400000-0x000000000041D000-memory.dmp

memory/1512-10-0x0000000002130000-0x0000000002B30000-memory.dmp

memory/3552-12-0x0000000002C80000-0x0000000002C86000-memory.dmp

memory/2836-14-0x0000000000EA0000-0x0000000000EA6000-memory.dmp

memory/2796-15-0x0000000000010000-0x0000000000016000-memory.dmp

memory/2896-16-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

memory/2836-17-0x0000000000EA0000-0x0000000000EA6000-memory.dmp

memory/2896-19-0x0000000000BA0000-0x0000000000BA6000-memory.dmp

memory/3416-20-0x0000000000250000-0x0000000000256000-memory.dmp