Malware Analysis Report

2025-01-19 07:38

Sample ID 231219-rdzg1sbfbr
Target 3d91f638adec6b4d5761d95a2ccffa56
SHA256 6e1e3d0a1758669a38aa7793d827ee1c8f4e6c045bf545e68db47e6a9e5b756b
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

6e1e3d0a1758669a38aa7793d827ee1c8f4e6c045bf545e68db47e6a9e5b756b

Threat Level: Known bad

The file 3d91f638adec6b4d5761d95a2ccffa56 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 use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-19 14:05

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

2023-12-19 14:05

Reported

2023-12-19 17:19

Platform

win7-20231215-en

Max time kernel

150s

Max time network

149s

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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\23E4BE95 = "C:\\Users\\Admin\\AppData\\Roaming\\23E4BE95\\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 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\3d91f638adec6b4d5761d95a2ccffa56.exe

"C:\Users\Admin\AppData\Local\Temp\3d91f638adec6b4d5761d95a2ccffa56.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
US 104.131.68.180:80 uyhgqunqkxnx.pw tcp
US 8.8.8.8:53 vcklmnnejwxx.pw udp
US 216.218.185.162:80 vcklmnnejwxx.pw tcp

Files

memory/1728-0-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1728-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/1184-2-0x00000000021E0000-0x00000000021E6000-memory.dmp

memory/1728-3-0x0000000001D20000-0x0000000002720000-memory.dmp

memory/1184-4-0x00000000021E0000-0x00000000021E6000-memory.dmp

memory/2092-5-0x0000000000140000-0x0000000000146000-memory.dmp

memory/1184-10-0x00000000773A1000-0x00000000773A2000-memory.dmp

memory/2092-9-0x0000000077550000-0x0000000077551000-memory.dmp

memory/2092-8-0x000000007754F000-0x0000000077551000-memory.dmp

memory/1184-7-0x00000000021E0000-0x00000000021E6000-memory.dmp

memory/2092-6-0x000000007754F000-0x0000000077550000-memory.dmp

memory/2092-11-0x0000000000590000-0x00000000005A6000-memory.dmp

memory/1728-12-0x0000000000400000-0x0000000000428000-memory.dmp

memory/1728-13-0x0000000001D20000-0x0000000002720000-memory.dmp

memory/2092-15-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2092-16-0x0000000000180000-0x0000000000181000-memory.dmp

memory/1152-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1092-26-0x00000000773A1000-0x00000000773A2000-memory.dmp

memory/1152-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

memory/1092-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

memory/1184-24-0x0000000002190000-0x0000000002196000-memory.dmp

memory/1184-28-0x0000000002190000-0x0000000002196000-memory.dmp

memory/2092-32-0x0000000000140000-0x0000000000146000-memory.dmp

memory/2092-33-0x00000000001A0000-0x00000000001A1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 14:05

Reported

2023-12-19 17:14

Platform

win10v2004-20231201-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A