Malware Analysis Report

2025-01-19 07:22

Sample ID 231219-1gyjkabhf2
Target a826b772ba34a7dbd4279edc73255229
SHA256 9d4801518a8f6af3d447b24d6b74690c33b726096f5e3c8902aa88d918e8f580
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: 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

9d4801518a8f6af3d447b24d6b74690c33b726096f5e3c8902aa88d918e8f580

Threat Level: Known bad

The file a826b772ba34a7dbd4279edc73255229 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 21:37

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: behavioral2

Detonation Overview

Submitted

2023-12-19 21:37

Reported

2023-12-20 16:40

Platform

win10v2004-20231215-en

Max time kernel

21s

Max time network

28s

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\51C01D30 = "C:\\Users\\Admin\\AppData\\Roaming\\51C01D30\\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\svchost.exe

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

C:\Windows\system32\sihost.exe

sihost.exe

C:\Users\Admin\AppData\Local\Temp\a826b772ba34a7dbd4279edc73255229.exe

"C:\Users\Admin\AppData\Local\Temp\a826b772ba34a7dbd4279edc73255229.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 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 11.2.37.23.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp

Files

memory/884-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/884-1-0x0000000000570000-0x0000000000571000-memory.dmp

memory/3372-2-0x0000000000B50000-0x0000000000B56000-memory.dmp

memory/3372-3-0x0000000000B50000-0x0000000000B56000-memory.dmp

memory/884-4-0x0000000002370000-0x0000000002D70000-memory.dmp

memory/4912-5-0x0000000077852000-0x0000000077853000-memory.dmp

memory/3372-6-0x00007FFCE662D000-0x00007FFCE662E000-memory.dmp

memory/4912-7-0x00000000025B0000-0x00000000025B6000-memory.dmp

memory/884-8-0x0000000000400000-0x0000000000417000-memory.dmp

memory/884-9-0x0000000002370000-0x0000000002D70000-memory.dmp

memory/2536-13-0x0000000000320000-0x0000000000326000-memory.dmp

memory/2732-14-0x0000000000610000-0x0000000000616000-memory.dmp

memory/2512-16-0x00000000008E0000-0x00000000008E6000-memory.dmp

memory/3372-15-0x0000000000BF0000-0x0000000000BF6000-memory.dmp

memory/2732-20-0x0000000000610000-0x0000000000616000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-19 21:37

Reported

2023-12-20 16:40

Platform

win7-20231215-en

Max time kernel

161s

Max time network

172s

Command Line

"C:\Windows\system32\Dwm.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-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\9FF88988 = "C:\\Users\\Admin\\AppData\\Roaming\\9FF88988\\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\Dwm.exe

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

C:\Windows\Explorer.EXE

C:\Windows\Explorer.EXE

C:\Windows\system32\taskhost.exe

"taskhost.exe"

C:\Users\Admin\AppData\Local\Temp\a826b772ba34a7dbd4279edc73255229.exe

"C:\Users\Admin\AppData\Local\Temp\a826b772ba34a7dbd4279edc73255229.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
US 8.8.8.8:53 cmnsgscccrej.pw udp
US 216.218.185.162:80 cmnsgscccrej.pw tcp
US 8.8.8.8:53 evbsdqvgmpph.pw udp
US 216.218.185.162:80 evbsdqvgmpph.pw tcp
US 8.8.8.8:53 mfueeimvyrsp.pw udp
US 216.218.185.162:80 mfueeimvyrsp.pw tcp
US 8.8.8.8:53 utmyhnffxpcj.pw udp
US 216.218.185.162:80 utmyhnffxpcj.pw tcp
US 8.8.8.8:53 fkmmvfeonnyh.pw udp
US 216.218.185.162:80 fkmmvfeonnyh.pw tcp
US 8.8.8.8:53 gfnlmtcolrrb.pw udp
US 216.218.185.162:80 gfnlmtcolrrb.pw tcp
US 8.8.8.8:53 wwgfyvvdtmeq.pw udp
US 216.218.185.162:80 wwgfyvvdtmeq.pw tcp
US 8.8.8.8:53 xtbbpqfrsubt.pw udp
US 216.218.185.162:80 xtbbpqfrsubt.pw tcp
US 8.8.8.8:53 vrmtybxxpddg.pw udp
US 216.218.185.162:80 vrmtybxxpddg.pw tcp
US 8.8.8.8:53 rvqlfnedcldh.pw udp
US 8.8.8.8:53 fccfxejgtpqb.pw udp
US 216.218.185.162:80 fccfxejgtpqb.pw tcp
US 8.8.8.8:53 sotdecjvilon.pw udp
US 216.218.185.162:80 sotdecjvilon.pw tcp
US 8.8.8.8:53 tshouebcgjxq.pw udp
US 216.218.185.162:80 tshouebcgjxq.pw tcp
US 8.8.8.8:53 yxofisillqxw.pw udp
US 216.218.185.162:80 yxofisillqxw.pw tcp
US 8.8.8.8:53 kwbjqvbswhos.pw udp
US 216.218.185.162:80 kwbjqvbswhos.pw tcp
US 8.8.8.8:53 jtossnoccjfm.pw udp
US 216.218.185.162:80 jtossnoccjfm.pw tcp
US 8.8.8.8:53 hhpwpytlktyf.pw udp
US 216.218.185.162:80 hhpwpytlktyf.pw tcp
US 8.8.8.8:53 glmjfejgdoox.pw udp
US 216.218.185.162:80 glmjfejgdoox.pw tcp
US 8.8.8.8:53 mlydtwnhlibu.pw udp
US 216.218.185.162:80 mlydtwnhlibu.pw tcp
US 8.8.8.8:53 trtelsxturst.pw udp
US 216.218.185.162:80 trtelsxturst.pw tcp
US 8.8.8.8:53 xtmgfmcjrbip.pw udp
US 216.218.185.162:80 xtmgfmcjrbip.pw tcp
US 8.8.8.8:53 vvlxqqihhifb.pw udp
US 216.218.185.162:80 vvlxqqihhifb.pw tcp
US 8.8.8.8:53 vfybgpxvyrmv.pw udp
US 216.218.185.162:80 vfybgpxvyrmv.pw tcp

Files

memory/2384-0-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2384-1-0x0000000000020000-0x0000000000021000-memory.dmp

memory/2384-3-0x0000000001EF0000-0x00000000028F0000-memory.dmp

memory/1212-2-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/2728-5-0x00000000000E0000-0x00000000000E6000-memory.dmp

memory/1212-4-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/2728-8-0x000000007716F000-0x0000000077171000-memory.dmp

memory/1212-6-0x0000000002A80000-0x0000000002A86000-memory.dmp

memory/2728-7-0x000000007716F000-0x0000000077170000-memory.dmp

memory/1212-10-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

memory/2728-9-0x0000000077170000-0x0000000077171000-memory.dmp

memory/2728-11-0x0000000000D60000-0x0000000000D76000-memory.dmp

memory/2384-12-0x0000000000400000-0x0000000000417000-memory.dmp

memory/2384-13-0x0000000001EF0000-0x00000000028F0000-memory.dmp

memory/2728-15-0x00000000000E0000-0x00000000000E6000-memory.dmp

memory/2728-16-0x0000000000670000-0x0000000000671000-memory.dmp

memory/1172-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1108-23-0x0000000001D60000-0x0000000001D66000-memory.dmp

memory/1108-24-0x0000000076FC1000-0x0000000076FC2000-memory.dmp

memory/1212-22-0x0000000002B40000-0x0000000002B46000-memory.dmp

memory/1172-25-0x00000000001A0000-0x00000000001A6000-memory.dmp

memory/1212-26-0x0000000002B40000-0x0000000002B46000-memory.dmp

memory/2728-30-0x00000000000E0000-0x00000000000E6000-memory.dmp

memory/2728-31-0x0000000000680000-0x0000000000681000-memory.dmp