Malware Analysis Report

2025-01-19 07:23

Sample ID 231220-s81h8sbhej
Target dd71e38eb900f620adcdfee98633bb1a
SHA256 e47ee59274ce5a54707089607ce972c889eb4940f953773d5792a299e476fe00
Tags
tinba banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e47ee59274ce5a54707089607ce972c889eb4940f953773d5792a299e476fe00

Threat Level: Known bad

The file dd71e38eb900f620adcdfee98633bb1a was found to be: Known bad.

Malicious Activity Summary

tinba banker persistence trojan

Tinba / TinyBanker

Adds Run key to start application

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-12-20 15:48

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-20 15:48

Reported

2023-12-20 23:59

Platform

win10v2004-20231215-en

Max time kernel

5s

Max time network

57s

Command Line

"C:\Users\Admin\AppData\Local\Temp\dd71e38eb900f620adcdfee98633bb1a.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\dd71e38eb900f620adcdfee98633bb1a.exe

"C:\Users\Admin\AppData\Local\Temp\dd71e38eb900f620adcdfee98633bb1a.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 83.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 cbunahtesting.com udp
US 216.218.185.162:80 cbunahtesting.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/4136-0-0x0000000000400000-0x000000000045D000-memory.dmp

memory/4136-1-0x00000000006E0000-0x00000000006E2000-memory.dmp

memory/4136-2-0x0000000000400000-0x0000000000405000-memory.dmp

memory/3468-3-0x00000000008A0000-0x00000000008A7000-memory.dmp

memory/4136-6-0x0000000002730000-0x0000000003130000-memory.dmp

memory/3100-7-0x0000000000C50000-0x0000000000C57000-memory.dmp

memory/3468-5-0x00000000008A0000-0x00000000008A7000-memory.dmp

memory/3100-4-0x0000000000C50000-0x0000000000C57000-memory.dmp

memory/3468-9-0x00007FFBC65CD000-0x00007FFBC65CE000-memory.dmp

memory/3100-8-0x0000000076F62000-0x0000000076F63000-memory.dmp

memory/3100-10-0x0000000000460000-0x0000000000472000-memory.dmp

memory/4136-12-0x0000000000400000-0x0000000000404A00-memory.dmp

memory/4136-13-0x0000000002730000-0x0000000003130000-memory.dmp

memory/2816-16-0x0000000000640000-0x0000000000647000-memory.dmp

memory/3468-17-0x0000000000940000-0x0000000000947000-memory.dmp

memory/2564-20-0x0000000000A40000-0x0000000000A47000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-20 15:48

Reported

2023-12-20 23:58

Platform

win7-20231215-en

Max time kernel

149s

Max time network

149s

Command Line

C:\Windows\Explorer.EXE

Signatures

Tinba / TinyBanker

trojan banker tinba

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\Run\6997D774 = "C:\\Users\\Admin\\AppData\\Roaming\\6997D774\\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

Suspicious use of UnmapMainImage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\dd71e38eb900f620adcdfee98633bb1a.exe N/A

Processes

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\DllHost.exe

C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}

C:\Users\Admin\AppData\Local\Temp\dd71e38eb900f620adcdfee98633bb1a.exe

"C:\Users\Admin\AppData\Local\Temp\dd71e38eb900f620adcdfee98633bb1a.exe"

C:\Windows\system32\Dwm.exe

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

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Windows\SysWOW64\winver.exe

winver

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 cbunahtesting.com udp
US 216.218.185.162:80 cbunahtesting.com tcp
US 8.8.8.8:53 rstmnryjbwhh.com udp
US 8.8.8.8:53 rstmnryjbwhh.net udp
US 216.218.185.162:80 rstmnryjbwhh.net tcp
US 8.8.8.8:53 xgfvwviqgplg.com udp
US 162.249.66.128:80 xgfvwviqgplg.com tcp
US 8.8.8.8:53 lhponcvvrckl.com udp
US 216.218.185.162:80 lhponcvvrckl.com tcp
US 8.8.8.8:53 mmqyunmssbgl.com udp
US 216.218.185.162:80 mmqyunmssbgl.com tcp
US 8.8.8.8:53 bunipxttfccq.com udp
US 8.8.8.8:53 bunipxttfccq.net udp
US 8.8.8.8:53 bunipxttfccq.info udp
US 216.218.185.162:80 bunipxttfccq.info tcp
US 8.8.8.8:53 pvrjjbumhwji.com udp
US 8.8.8.8:53 pvrjjbumhwji.net udp
US 8.8.8.8:53 pvrjjbumhwji.info udp
US 216.218.185.162:80 pvrjjbumhwji.info tcp
US 8.8.8.8:53 dxdkeferjcfk.com udp
US 8.8.8.8:53 dxdkeferjcfk.net udp
US 8.8.8.8:53 dxdkeferjcfk.info udp
US 216.218.185.162:80 dxdkeferjcfk.info tcp
US 8.8.8.8:53 pillyeunkcol.com udp
US 216.218.185.162:80 pillyeunkcol.com tcp
US 8.8.8.8:53 vpblhsrxfneu.com udp
US 8.8.8.8:53 vpblhsrxfneu.net udp
US 8.8.8.8:53 vpblhsrxfneu.info udp
US 216.218.185.162:80 vpblhsrxfneu.info tcp
US 8.8.8.8:53 xcwvsjooinil.com udp
US 8.8.8.8:53 xcwvsjooinil.net udp
US 8.8.8.8:53 xcwvsjooinil.info udp
US 216.218.185.162:80 xcwvsjooinil.info tcp
US 8.8.8.8:53 hcupmpmnmrjx.com udp
US 8.8.8.8:53 hcupmpmnmrjx.net udp
US 8.8.8.8:53 hcupmpmnmrjx.info udp
US 216.218.185.162:80 hcupmpmnmrjx.info tcp
US 8.8.8.8:53 evlxxhojibgd.com udp
US 8.8.8.8:53 evlxxhojibgd.net udp
US 8.8.8.8:53 evlxxhojibgd.info udp
US 216.218.185.162:80 evlxxhojibgd.info tcp
US 8.8.8.8:53 nueyydsowckx.com udp
US 8.8.8.8:53 nueyydsowckx.net udp
US 8.8.8.8:53 nueyydsowckx.info udp
US 216.218.185.162:80 nueyydsowckx.info tcp
US 8.8.8.8:53 pmlmfbehhunq.com udp
US 8.8.8.8:53 pmlmfbehhunq.net udp
US 8.8.8.8:53 pmlmfbehhunq.info udp
US 216.218.185.162:80 pmlmfbehhunq.info tcp
US 8.8.8.8:53 txvtsntdbjjx.com udp
US 8.8.8.8:53 txvtsntdbjjx.net udp
US 8.8.8.8:53 txvtsntdbjjx.info udp
US 216.218.185.162:80 txvtsntdbjjx.info tcp
US 8.8.8.8:53 byckuugigtut.com udp
US 8.8.8.8:53 byckuugigtut.net udp
US 8.8.8.8:53 byckuugigtut.info udp
US 216.218.185.162:80 byckuugigtut.info tcp
US 8.8.8.8:53 pgqdgjidhtlt.com udp
US 8.8.8.8:53 pgqdgjidhtlt.net udp
US 8.8.8.8:53 pgqdgjidhtlt.info udp
US 216.218.185.162:80 pgqdgjidhtlt.info tcp
US 8.8.8.8:53 tynxckfcgfej.com udp
US 8.8.8.8:53 tynxckfcgfej.net udp
US 8.8.8.8:53 tynxckfcgfej.info udp
US 216.218.185.162:80 tynxckfcgfej.info tcp

Files

memory/2144-0-0x0000000000400000-0x000000000045D000-memory.dmp

memory/2144-2-0x0000000000400000-0x000000000045D000-memory.dmp

memory/2144-1-0x0000000000400000-0x0000000000405000-memory.dmp

memory/2144-4-0x0000000002100000-0x0000000002B00000-memory.dmp

memory/2532-6-0x0000000000120000-0x0000000000127000-memory.dmp

memory/2532-8-0x000000007737F000-0x0000000077380000-memory.dmp

memory/2532-14-0x0000000000A40000-0x0000000000A56000-memory.dmp

memory/2532-15-0x0000000000160000-0x0000000000161000-memory.dmp

memory/1232-13-0x00000000771D1000-0x00000000771D2000-memory.dmp

memory/2532-12-0x0000000077380000-0x0000000077381000-memory.dmp

memory/2532-11-0x000000007737F000-0x0000000077381000-memory.dmp

memory/1232-10-0x0000000002D10000-0x0000000002D17000-memory.dmp

memory/2532-7-0x0000000000120000-0x0000000000127000-memory.dmp

memory/1232-5-0x0000000002D10000-0x0000000002D17000-memory.dmp

memory/1232-3-0x0000000002D10000-0x0000000002D17000-memory.dmp

memory/2532-16-0x00000000001B0000-0x00000000001B1000-memory.dmp

memory/2144-17-0x0000000000400000-0x0000000000404A00-memory.dmp

memory/2144-18-0x0000000002100000-0x0000000002B00000-memory.dmp

memory/804-29-0x0000000000150000-0x0000000000157000-memory.dmp

memory/1232-26-0x0000000002D50000-0x0000000002D57000-memory.dmp

memory/1164-23-0x00000000002C0000-0x00000000002C7000-memory.dmp

memory/804-35-0x00000000771D1000-0x00000000771D2000-memory.dmp

memory/804-34-0x0000000000150000-0x0000000000157000-memory.dmp

memory/1232-33-0x0000000002D50000-0x0000000002D57000-memory.dmp

memory/1164-32-0x00000000002C0000-0x00000000002C7000-memory.dmp

memory/1108-31-0x00000000771D1000-0x00000000771D2000-memory.dmp

memory/1108-30-0x00000000020F0000-0x00000000020F7000-memory.dmp

memory/1108-21-0x00000000020F0000-0x00000000020F7000-memory.dmp

memory/2532-41-0x0000000000120000-0x0000000000127000-memory.dmp