Malware Analysis Report

2025-01-19 07:24

Sample ID 231219-p86tgahecl
Target 2bd1e3764eb63255e243396af605114b
SHA256 ce2d08a9e9f4bfb3b58adef29e57bdbb2d30bf265996494a1946684e97301d05
Tags
tinba banker persistence trojan upx
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

ce2d08a9e9f4bfb3b58adef29e57bdbb2d30bf265996494a1946684e97301d05

Threat Level: Known bad

The file 2bd1e3764eb63255e243396af605114b was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan upx

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 13:01

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 13:01

Reported

2023-12-19 16:37

Platform

win7-20231201-en

Command Line

N/A

Signatures

N/A

Processes

N/A

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-19 13:01

Reported

2023-12-19 16:41

Platform

win10v2004-20231215-en

Max time kernel

24s

Max time network

29s

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ADF13C66 = "C:\\Users\\Admin\\AppData\\Roaming\\ADF13C66\\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\2bd1e3764eb63255e243396af605114b.exe

"C:\Users\Admin\AppData\Local\Temp\2bd1e3764eb63255e243396af605114b.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 83.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp

Files

memory/4280-0-0x0000000000400000-0x000000000041B000-memory.dmp

memory/4280-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

memory/4280-2-0x0000000002580000-0x0000000002F80000-memory.dmp

memory/3464-3-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

memory/3464-4-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

memory/4728-6-0x0000000001050000-0x0000000001056000-memory.dmp

memory/4728-5-0x0000000000CC0000-0x0000000000CD2000-memory.dmp

memory/4728-7-0x0000000076FB2000-0x0000000076FB3000-memory.dmp

memory/3464-8-0x00007FF84830D000-0x00007FF84830E000-memory.dmp

memory/4280-9-0x0000000000400000-0x000000000041B000-memory.dmp

memory/4280-10-0x0000000002580000-0x0000000002F80000-memory.dmp

memory/2952-14-0x0000000000350000-0x0000000000356000-memory.dmp

memory/2328-15-0x0000000000E80000-0x0000000000E86000-memory.dmp

memory/2952-18-0x0000000000350000-0x0000000000356000-memory.dmp

memory/3648-19-0x0000000000BC0000-0x0000000000BC6000-memory.dmp

memory/3820-21-0x0000000000E20000-0x0000000000E26000-memory.dmp